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Emerson MR98 Instruction Manual

1. 000088 FReweszeno eroaosszons emos 00088 a0 ana so Va NeT Vent Standarap sss EROA03691A3 ercaoseoraa ooe unr aneren EROA01202A35 eroaan aaan 2020625 ercaoszroaon eromoszronan m _ wwe anet ven sanare ercanaseno eroaorasens ena t NeT vent ROAD RCADTOSORS 0008 1 Meets the chemical and physical requirements of NACE MR0175 2002 and NACE MR0103 Key 4 Valve Plug Metal Seat BODY SIZE VALVE PLUG MATERIAL 416 Stainless Steel 316 Stainless Steel e NH MANPT MANPT Without control line GF04909X022 04909 032 GFO4909X052 GFO4909X042 Without control line ERCA01337A0 ERCA01337A1 337A4 ERCA01337A3 ERCA01337A2 With WE co line ERCA01305A0 ERCA01305A1 ee il ERCA01305A3 ERCA01305A2 Without control line control line GF04828X022 GF04828X032 GF04828X062 GF04828X052 GF04828X042 3 4 and 1 20 and 25 With mE CC line om GF05479X032 ee eee GF05479X052 Ww F Without control fine control line GF04899X022 GFo4899x032 GFo4899x062 GFO4899X052 GFo4899x042 With control line and GF05514X022 GF05514X032 GF05514X052 GF05514X042 with composition diaphragm Bo 50 With control line and GF05514X
2. lt h a METAL DIAPHRAGM OPTION 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 5 Type MR98LD Assembly 30 DETAIL MR98 Series TI ee L2 SEALED ADJUSTING TEE HANDLE OPTION SCREW OPTION ss L2 SSIS SSS SS 3 QOS 00 Z lt TIL DOCU EEG SSS WW cL LIE N S O B7 77 L2 2 i 0 METAL DIAPHRAGM OPTION GF04916 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SEIZE COMPOUND L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 6 Type MR98H Assembly with 1 4 NPT to 1 in DN 25 Body Sizes 31 MR98 Series L1 L2 ERAA03248 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SE
3. Steel MR98HD All Sizes Stainless Slgel Monel Hastelloy C Aluminum Bronze Steel Stainless steel MR98HH All Sizes Monel Hastelloy C Aluminum Bronze Steel Stainless steel MR98HHD All Sizes Monel Hastelloy C Aluminum Bronze 1 The pressure temperature limits in this Instruction Manual and any applicable standard limitation should not be exceeded 2 Temperature trim material and or the body end connection may decrease these maximum pressures 3 Maximum inlet pressure equals set pressure plus build up Table 5 Temperature Capabilities MATERIAL TEMPERATURE RANGE Elastomer Part Nitrile NBR Neoprene CR Fluorocarbon FKM Ethylenepropylene EPDM Perfluoroelastomer FFKM PTFE Diaphragm protector Body Material 1 The pressure temperature limits in this Instruction Manual and any applicable standard limitation should not be exceeded 2 Pressure and or the body end connection may decrease these maximum temperatures 3 Meets API 614 requirements with stainless steel trim Table 6 Torque Specifications BODY SIZE SPRING CASE BOLTS ORIFICE VALVE PLUG GUIDE BOTTOM PLUG 1 4 6 to 8 8 to 11 40 to 50 53 to 68 50 to 58 68 to 79 1 2 15 34 to 38 46 to 51 70 to 90 94 to 122 75 to 90 102 to 122 3 4 and 1 20 and 25 50 to 60 68 to 81 85 to 100 115 to 136 100 to 125 136 to 169 1 1 2 and 2 40 and 50 180 to 200 244 to 271 125 to 150 169 to 203 170 to 200 230 to 271 1 Reduce spring case bolt s torq
4. Before installing the regulator Unpack the backpressure regulator or relief valve and remove the protective shipping plugs from the end connections of the body and the pressure connection in the spring case Check the backpressure regulator or relief valve and make sure it has not been damaged or collected foreign material during shipping Remove any debris or dirt in the tubing and the pipeline Apply pipe compound to the external pipe thread for NPT bodies or use appropriate gaskets for flanged bodies Make sure gas flow through the backpressure regulator or relief valve is in the same direction as the arrow on the body For a differential relief valve the design of the valve isolates the diaphragm and pressure loading spring case from the main flow stream MR98 Series The higher pressure is measured inside the body through a registration hole on the inlet side of the body or through the external control line If loading pressure is required connect the loading pressure line to the 1 4 NPT connection in the spring case If loading pressure is not required vent this connection to the atmosphere Overpressure Protection Overpressuring any portion of this equipment may result in equipment damage leaks in the relief valve backpressure regulator or personal injury due to bursting of pressure containing parts Relief differential relief or backpressure ranges are from 2 to 375 psig 0 14 to 25 9 bar The in
5. 1 Part meets NACE requirements only for applications in which the part is not exposed to sour gas Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 18 Part Number 1L345635132 1L345635072 1L3456X0032 1L3456X0022 ERCA01344A0 ERCA01344A1 ERCA01344A3 ERCA01344A2 1L343835132 1L343835072 1L3438X0012 1L3438X0022 1P788435132 1P788435072 1P7884X0012 1P7884X0022 GF04910X022 GF04910X032 GF04910X052 GF04910X042 ERCA01343A0 ERCAO01343A1 ERCA01343A3 ERCA01343A2 1L343935132 1L343935072 1L343940152 1L343940032 1P788335132 1P788335072 1P7883X0012 1P7883X00A2 See Table 3 See Following Tables 11A5132X012 11A5133X012 11A5137X012 11A5135X012 11A5136X012 11A5134X012 11A5527X012 Key Description 15 Adjusting Screw NACE Square Head Adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size Types MR98L and MR98H Type MR98HH 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98L and MR98H Type MR98HH 1 1 2 and 2 in DN 40 and 50 Body Sizes Sealed Square Head Adjustment 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Stainless steel Square Head Adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size Types MR98L and MR98H Type MR98HH 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98L and MR98H Type MR98HH 1 1 2 and 2 in DN 40 and 50 Body Sizes Handwheel 1 2 in DN 15 Body
6. ERAA01637A0 ERAA01666A0 ERAA01637A0 ERAA01666A0 ERAA02111A0 ERAA01638A0 ERAA01667A0 ERAA01638A0 ERAA01667A0 ERAA02112A0 ERAA01639A0 ERAA01670A0 ERAA01670A0 21 MR98 Series Key 41 41 42 43 44 45 Description Machine Screw continued Handwheel adjustment with Stainless steel Trim 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Jam Nut 1 1 2 and 2 in DN 40 and 50 Body Sizes Handwheel Handwheel adjustment with Stainless steel Trim Spring Types MR98LD and MR98HD Type MR98HHD 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes Washer Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Washer Handwheel adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Handwheel adjustment with Stainless steel Trim 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes O ring 1 4 NPT Body Size Nitrile NBR Fluorocarbon FKM Ethylene Propylene EPDM 1 2 in DN 15 Body Size Nitrile NBR Fluorocarbon FKM Ethylene Propylene EPDM 3 4 and 1 in DN 20 and 25 Body Sizes Nitrile NBR 1 1 2 and 2 in DN 40 and 50 Body Sizes Nitrile NBR Fluorocarbon F
7. 16 25 40 RF m d o m E o eo o Shaded areas indicate that the construction is available 1 Blank areas indicate that you need to contact your local Sales Office for the availability of the constructions 1 Meets the chemical and physical requirements of NACE 175 2002 and NACE MR0103 Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc MR98 Series Table 2 Types MR98H MR98HD MR98HH and MR98HHD Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE gt 2 i D L 2 lt 5 im e D I S S c gt s lt d o gt di N o E Lr e o co c u co mout control he PAGE Welded PN 162540RF o integra cLasoRF degaPNi162540RF BE With Control Line but Without Gauge Port WeldedCLtsORF Wededc30RE j AMEN Without Control Line and Gauge Port cL150RF WeddctaoRE j WededPNi62S4oRE mE NT B I With Control Line but Without Gauge Port WededCLtsoRF Wededct30RE With Gauge Port but Without Contro
8. 2 ERAA01771A1 ERAAOI771A1 mme ontrol Line Welded 1 1 2 in DN 40 ERAA01944A1 E EX ERAA01944A2 SS Eee cic rate GLISORF ERAA01948A0 ERAA01948A3 ERAAOTOAGAZ e m but Without Gauge Port Welded CL300 RF ERAA01949A0 ERAA01949A3 ERAA01949A2 02511 0 ERAA02511A1 02511 4 02511 3 ERAA02511A2 ERAAQ2511A2 bM 1 1 2 in DN 40 Welded CL150 RF psc ERAA02502A0 pr EI ERAA02502A1 5 eee eee oe TM Port Welded CL300 RF Welded CL300 RF ERAA02503A0 ERAA02503A3 ERAA02503A2 ERAA02503A4 u IInOu Control Line Welded NT ERCA03767A0 ERCA03767A1 ERCA03767A7 ERCA03767A4 ERCA03767A3 ERCA03767A9 ERCA03767B1 ee Welded CL 150 RF EEUU ERAA01773A0 Eu u 7 ERAA01773A1 ee ep 2 in DN 50 Welded CL300 RF CL300 Welded CL300 RF 1774 0 ERAA01774A3 1774 2 ERAA01774A1 or wonton C pue pono eee ERAA01781A0 r r E Integral CL300 RF CL300 Integral CL300 RF ERCAO4258A0 ERCA04258A1 ERCAO4258A2 ERCAO4258A3 Integral 2 in DN 50 ERAA01945A1 ERAA01945A4 ERAA01945A3 ERAA01945A2 but Without Gauge Port Welded CL300 RF ERAA01952A0 ERAA01952A3 ERAA01952A2 ERAA02512A0 ERAA02512A1 ERAA02512A4 ERAA02512A3 ERAA02512A2 ERAA02512A2 2 in DN 50 Welded CL160 RF ESL ERAA02505A0 ERAA02505A1 e
9. 2 in DN 15 10 Ibs 4 5 kg 3 4 and 1 in DN 20 and 25 22 lbs 10 kg 1 1 2 and 2 in DN 40 and 50 55 Ibs 25 kg MR98L Series 1 4 NPT 7 16 3 2 kg 1 2 in DN 15 15 lbs 6 8 kg 3 4 and 1 in DN 20 and 25 35 Ibs 16 kg 1 The pressure temperature limits in this Instruction Manual and any applicable standard limitation should not be exceeded 2 Temperature and or the body end connection may decrease these maximum pressures 3 Pressure and or the body end connection may decrease these maximum temperatures Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion fire and or chemical contamination causing property damage and personal injury or death Fisher backpressure regulators relief and differential relief valves must be installed operated and maintained in accordance with federal state and local codes rules and regulations and Emerson Process Management Regulator Technologies Inc Emerson instructions If a leak develops or if the outlet continually vents gas service to the unit may be required Failure to correct trouble could result in a hazardous condition Only a qualified person shall install or service the unit Installation operation and maintenance procedures performed by unqualified person may result in improper adjustment and unsafe operation Either condition may result in equipment damage or personal injury Call
10. 32 5 Pull out the packing key 36 and replace it Replace the packing stuffing box gasket key 37 6 Reassemble the packing stuffing box key 32 unit by returning the adjusting screw key 33 to the inside of the stuffing box Slip the packing follower key 34 onto the adjusting screw and into the stuffing box Screw on the packing nut key 35 See Table 6 for torque specifications 7 Put the packing stuffing box key 32 onto the spring case key 2 Set the handwheel key 38 and washer key 44 on the adjusting screw key 33 and screw in the machine screw key 41 8 Set the spring key 11 and upper spring seat key 9 over the lower spring seat key 8 Place the spring case key 2 on the body key 1 tightening the cap screws key 16 finger tight only 9 To ensure proper slack in the diaphragm key 12 apply some spring compression by turning the adjusting screw key 15 or handwheel key 38 clockwise Tighten the cap screws key 16 Parts Ordering When corresponding with your local Sales Office about this equipment always reference the equipment serial number stamped on the nameplate When ordering replacement parts specify the complete 11 character part number of each required part as found in the following parts list Separate kits containing all recommended spare parts are available Note In this parts list parts marked NACE are intended for corrosion resistant service as detailed in the
11. Blue 0 41 to 0 97 0 234 2 595 Powder coated steel ERAA01910A0 Green 1 2 15 MR98L 01415048 0207 Powder coated steel ERCA04288A0 Yelow 12025 083117 0283 Powder coated steel ERAAOISTIAO and 20 to 38 1 4 to 2 6 0 331 2 250 Powder coated steel ERAA02889A0 Blue MR98LD 0 14 to 0 48 0 306 Powder coated steel 1E398927022 Yellow 20 and 25 6014 041 0 97 0 343 Powder coated steel 1E399027142 Green 121025 083101 7 Powder coated steel 18399127162 200038 141026 0468 Powder coated steel 11380127082 0 410048 0 306 Powder coated stainless steel 1E3989X0052 1 15 to 35 1 0 to 2 4 0 207 2 50 Powder coated steel ERCA04288A0 659 25 to 75 1 7 to 5 2 0 234 2 595 65 9 Powder coated steel ERAA01910A0 Green 70 to 140 4 8 to 9 7 0 283 2 44 Powder coated steel ERAA01911A0 x Red O 130to200 9 0to 13 8 0 331 2 250 Powder coated steel ERAA02889A0 25 to 75 1 7 to 5 2 0 343 4 00 Powder coated steel 1E399027142 481097 0406 400 Powdercoated steel 1 39912712 130 to 200 9 0 to 13 8 0 468 3 75 Powder coated steel 1L380127082 4 2 15 to 35 1 0 to 2 4 0 306 4 00 Powder coated steel 1E398927022 3 4 20 and 1 25 15 to 35 1 0 to 2 4 0 306 4 00 Powder coated stainless steel 1E3989X0052 3 4 20 and and 1 25 4 2 MR98HHD 3 4 20 T mdi cad 56 150 to 375 10 3to 25 9 0 593 15 1 6 380 162 Chromium silicon steel 1N9441X0022 Light gray 1 All spri
12. NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes 38 Handwheel Handle Handwheel adjustment Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Handwheel adjustment with Stainless steel Trim Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 39 Internal Adaptor Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 40 External Adaptor Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 41 Machine Screw Handwheel adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Part Number ERAA01634A0 ERAA01657A0 ERAA01634A0 ERAA01657A0 ERAA02108A0 ERAA01635A0 1P494106242 ERAA01636A0 ERAA01669A0 ERAA01669A0 10410819042 ERAA01636A0 ERAA01669A0 ERAA02109A0 ERAA02956A1 ERAA02957A1 ERAA02957A1 ERAA02959A 1 ERAA02956A1 ERAA02957A1 ERAA02958A1
13. Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 For further information visit www fisherregulators com TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 The distinctive diamond shape cast into every spring case uniquely identifies the regulator as part of the Fisher brand and assures you of the highest quality engineering durability performance and support The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management The contents of this publication ar
14. from the bottom plug the bottom plug O ring could be worn out or damaged Proceed as follows to check and or replace it 1 Shut down the regulator Refer to Shutdown section for the proper procedure 2 Unscrew the bottom plug key 5 from the body key 1 Inspect the bottom plug seal key 63 for damage Replace the bottom plug seal if damage is noted Lightly lubricate the bottom plug O ring or graphite ring before installing it onto the bottom plug 3 Reassemble the regulator in the reverse order of the above steps When installing the bottom plug key 5 coat the threads and sealing surface with anti seize compound to ensure an adequate metal to metal seal Reference Table 6 for proper torque values Disassembly to Replace Packing For Types MR98LD MR98HD and MR98HHD Leakage around the adjusting screw may be caused by worn packing in the stuffing box To check the packing perform the following procedures 1 Before returning the upper spring case key 2 to the body key 1 replace the packing key 36 in the packing stuffing box key 32 2 lake out the machine screw key 41 and lift off the washer key 44 and handwheel key 38 3 Unscrew the packing stuffing box key 32 Unscrew the packing stuffing box nut key 35 and take it and the packing follower key 34 off of the adjusting screw key 33 4 Unscrew and pull the adjusting screw key 33 out through the bottom of the packing stuffing box key
15. severity of service conditions or the requirements of state and federal laws Instructions are given below for disassembly of the MR98 Series These valves do not have to be removed from the pipeline to inspect internal parts Suitable lubricants are indicated on the assembly drawings Apply the recommended lubricants as the relief valve is being reassembled Refer to Figures 4 to 10 while servicing the relief valve Flange Cap Screw Torque Inspection Retorquing of spring case cap screws may be necessary for some 98 Series regulators after a period of use Retorque the cap screws as follows 1 Shut down the relief valve or backpressure regulator Refer to Shutdown section for the proper procedure 2 Retighten the cap screws key 16 in a crisscross pattern See Table 6 for proper torque values 3 Follow the Startup section to repressurize the relief valve or backpressure regulator 4 Refer to the Disassembly to Replace Diaphragm and Seats section as needed Disassembly to Replace Diaphragm and Seats Metal diaphragms have thin sharp edges To avoid hand cuts be careful when handling the diaphragm particularly the diaphragm edge If the relief valve is leaking the diaphragm may be ruptured or the seating surfaces nicked or scratched Proceed as follows to inspect or replace the diaphragm orifice and valve plug 1 Shut down the backpressure regulator or relief valve Refer to Shutdown section for the proper p
16. that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 8 Type MR98HD Assembly with 1 4 NPT to 1 in DN 25 B OA LAT TTA MR98 Series j J Sa S TAY L2 EL NS eje 2 CONTROL LINE OPTION DETAIL A ody Sizes 33 MR98 Series L3 we Z ZZ 4 AT m EGOOOOESEEEEEI amp 9 amp 8 Or ac Z 16 L2 9 ONUS SEULS NUS E 724 LZ ami amp CO L2 WN q T r SS LR Cals omen ul OE NN 277772 gt N NN J RSS eZ Ti 7 mi OOO SN METAL DIAPHRAGM OPTION COMPOSITE SEAT OPTION CONTROL LINE OPTION ERAA03271 0 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L3 SILICONE GREASE L2 ANTI SEIZE COMPOUND L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 only for stainless steel bolts 3 Apply L4 graphite sealant instead o
17. 022 GF05514X032 GF05518X052 GF05518X042 with metal diaphragm 1 NACE MR0175 2002 and NACE MRO0103 Recommended Spare Part Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 27 MR98 Series Key 4 Valve Plug Composition Seat BODY SIZE VALVE PLUG MATERIAL 416 Stainless Steel 316 Stainless Steel Hastelloy C 1 4 NPT o os Without control line GF05032X022 GF05032X032 boom Tae bha Without control Ine ERCA01338A0 Se eR 1 2 15 With control line ERCA01333A0 ERCA01333A1 ERCA01333A3 Without control ine GFO4829X022 GF04829X032 3 4 1 20 25 With control line GF05547X022 GF05547X032 GF05547X052 Without control ine GFOSS20X022 GF05520x032 e 1 1 2 and 2 40 and 50 With control line GF05518X022 GF05518X032 GF05518X052 Recommended Spare Part 1 NACE 175 2002 and NACE MR0103 2 Oxygen Service Key 12 Composition Diaphragm NACE BODY SIZE DIAPHRAGM MATERIAL TYPE Fluorocarbon FKM EPDM ww O F05051X022 O F05051X052 MR98L and MR98LD ERCA00514A0 ERCA00514A1 ERCA00514A2 3 4 and 1 20 and 25 ERCA00603A0 ERCA00603A1 ERCA00603A2 vu EET G and MR98HHD 3 4 and 1 20 and 25 ERCA00518A0 ERCA00518A1 ERCA00518A2 4 1 2 and 2 40 and 50 ERCA00661A0 ERCA00661A1 ERCA00661A2 Recommended Spare Part Key 12 Metal Diaphragm BODY SIZE BODY MATERIAL 2 REQUIRED 7 E AI C x MANPT
18. 40 and 50 Body Sizes 1 Part meets NACE requirements only for applications in which the part is not exposed to sour gas Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 20 Part Number ERAA01919A0 1919 1 19624328992 1962430012 ERCA00379A0 ERCA00379A1 GF04913X012 GF04913X012 ERAA02651A0 ERCAO00502A0 GF04913X012 GF04913X032 GF04913X022 ERAA02651A0 ERAA02651A2 ERAA02651A1 ERCAO00502A0 ERCA00502A2 ERCA00502A1 ERCA00579A0 ERCA00579A2 ERCA00579A1 ERCA00663A0 1L872224122 1P788724122 ERAA02699A0 ERAA01655A0 ERAA01655A0 ERAA01662A0 Key Description 32 Stuffing Box continued Handwheel adjustment continued Type MR98HHD 1 4 NPT Body Size 1 2 in 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Handwheel adjustment with Stainless steel Trim Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 33 Adjusting Screw Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 34 Packing Follower Handwheel adjustment Types MR98LD
19. 5 Body Sizes Steel Stainless steel 3 4 and 1 in DN 20 and 25 Body Sizes Steel Stainless Steel 1 1 2 and 2 in DN 40 and 50 Body Sizes Steel Stainless steel 29 Gasket NACE Composition Diaphragm 1 4 NPT Body Size 1 2 in DN 15 Body Size Not pressure loaded spring case Pressure loaded spring case 3 4 and 1 in DN 20 and 25 Body Sizes Metal Diaphragm 1 4 NPT Body Size 2 required for pressure loaded spring case 302 Stainless steel 302 Stainless steel Oxygen Service 302 Stainless steel Steam Service Monel and Hastelloy C 1 2 in DN 15 Body Size 2 required for pressure loaded spring case 302 Stainless steel 302 Stainless steel Oxygen Service 302 Stainless steel Steam Service Monel and Hastelloy C 3 4 and 1 in DN 20 and 25 Body Sizes 2 required for pressure loaded spring case 302 Stainless steel 302 Stainless steel Oxygen Service 302 Stainless steel Steam Service Monel and Hastelloy C 1 1 2 2 in DN 40 and 50 Body Sizes 2 required 302 Stainless steel 302 Stainless steel Oxygen Service 302 Stainless steel Steam Service Monel and Hastelloy C 31 Locknut NACE 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes 32 Stuffing Box Handwheel adjustment Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN
20. A2 9A2 1 in DN 25 Welded CL150 RF ERAA02220A1 ERAA02220A4 ERAA02220A3 ERAA02220A2 With Gauge Port but Welded CL300 RF eM ERAA02221A1 ERAA02221A4 ERAA02221A3 ERAA02221A2 p P Without Control Line 1 Meets the chemical and physical requirements of NACE MR0175 2002 and NACE MR0103 NOTE Contact your local Sales Office if additional gauge and control line options are needed continued Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 24 BODY SIZE ERCA03697A0 ERCA03697A1 ERCA03697A7 ERCA03697A4 ERCA03697A3 1 2 in DN 15 Without Control Line 1 2 in DN 15 With Control Line 3 4 in DN 20 Without Gauge Port and Control Line MR98 Series Key 1 Types MR98H MR98HD MR98HH and MR98HHD Body Part Numbers continued WCC Steel LCC Steel BODY MATERIAL CF8M CF3M Stainless Steel END CONNECTION STYLE Aluminum Bronze Gray Cast Iron Monel Stainless Steel Hastelloy C ERCA03818B1 ERCA03818A9 sve enanas SRA Pos rovs east Weed uso RF s ERAA0163A0 ERAA1634A9 ERAADIBOIA2 ERAADIEDIAS weed 61300 RF ERAA01893A9 ERAA1893A2 ERAADIENDAN Welded PN 16 25 40 RE ee ERAA01835A0 ERAA01835A2 ee ERAA01835A1 ee integral CL150 bm ERAA02400A0 ERAA02400A1 ERAA02400A2 ERAA02400A3 In
21. Brass Stainless steel to 30 psig 0 to 2 1 bar Brass Stainless steel to 60 psig 0 to 4 1 bar Brass Stainless steel 0 to 160 psig 0 to 11 0 bar Brass Stainless steel 0 to 300 psig 0 to 20 7 bar Brass Stainless steel 0 to 1000 psig 0 to 68 9 bar Brass Stainless steel 68 Restriction NACE Types MR98HH and MR98HHD 3 4 and 1 in DN 20 and 25 Body Sizes 69 ATEX Tag 70 PED Tag Part Number ERCAO00628A0 ERCAO00628A3 ERCA00628A1 ERCA00628A2 ERCAO00517A0 ERCAO00630A0 ERCAO00630A1 ERCAO00630A2 ERCAO01407A0 ERAA03130A0 ERAA03131A0 11B8579X012 ERAA03132A0 11B8579X022 ERAA03132A1 11B8579X032 ERAA03132A2 11B8579X042 ERAA03132A3 11B8579X052 ERAA03132A4 11B8579X102 ERAA03132A5 ERAA03257A0 23 MR98 Series Key 1 Types MR98L and MR98LD Body Part Numbers BODY MATERIAL BODY SIZE END CONNECTION CF8M CF3M STYLE Gray Cast Steel LCC Steel Stainless Stainless Monel Hastelloy C Steel Steel mE ERCA03819A0 ERCAO03819A1 ERCA03819A7 ERCA03819A4 ERCA03819A3 ERCA03819A9 ERCAO03819B1 1 2 in DN 15 Welded CL 150 RF ERAA01830A0 ERAA01830A3 ERAA01830A2 ERAA01830A1 u ee Without Control Line Welded CL300 RF ERAA01832A0 ERAA01832A3 ERAA01832A2 ERAA01832A1 SSS N 1 2 in DN 15 ERAA01932A1 ERAA01932A4 ERAA01932A3 ERAA01932A2 With Control Line ERCAO1384A0 ERCAO1384A0 384A0 ERCAO1384A1 ERCAO1384A1 384A1 ERCAO1384A7 ERCAO1384A7 384A7
22. ERCAO1384A4 ERCAO1384A4 384A4 ERCAO1384A3 ERCAO1384A3 384A3 ERCAO1384A9 ERCAO1384A9 384A9 ERCA01384B1 ERCA01384B1 384B1 Welded CL150 RF EEE ERAA01797A0 ERAA01797A3 ERAA01797A2 ERAAO01797A1 p P Without Gauge Port and Control Line Welded CL300 RF Eee ERAA01799A0 Eve ERAA01799A1 Welded PN 16 25 40 RF Welded PN 16 25 40 RF 16 25 40 RF ERAAO1801A0 ERAAO1801A2 ERAAO1801A1 3 4 in DN 20 With Control Line but ERAA02175A1 ERAAO02175A4 ERAA02175A3 2175 2 Without Gauge Port ERAAO2176A0 76A0 ERAA02176A1 76A1 ERAA02176A4 76A4 ERAA02176A3 76A3 ERAA02176A2 76A2 3 4 in DN 20 Welded CL150 RF ERAA02177A1 ERAA02177A4 ERAA02177A3 ERAA02177A2 EE With Gauge Port but Welded CL300 RF e ERAA02178A1 ERAA02178A4 ERAA02178A3 ERAA02178A2 Without Control Line ERCA03676A0 ERCA03676A1 ERCA03676A7 ERCA03676A4 ERCA03676A3 ERCA03676A9 ERCA03676B1 Welded CL150 RF ee ERAA01803A0 ERAA01803A3 ERAA01803A2 ERAA01803A1 SSS Without Gauge Port and Control Line Welded CL300 RF Sa ERAA01805A0 E ERAA01805A1 LUE Welded PN 16 25 40 RF Welded PN 16 25 40 RF 16 25 40 RF ERCAO0553A0 ERCAO0553A2 ERCA00553A1 1 in DN 25 With Control Line but ERAA02218A1 ERAA02218A4 ERAA02218A3 ERAA02218A2 Without Gauge Port ERAAO2219A0 9A0 ERAA02219A1 9A1 ERAAO2249A4 9A4 ERAA02219A3 9A3 ERAAO2249
23. IZE COMPOUND L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts NS Jj IN Z 2 4 OR FALL Ng SEALED ADJUSTING SCREW OPTION RS s NE ER TEE HANDLE OPTION METAL DIAPHRAGM OPTION 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 7 Type MR98H Assembly with 1 1 2 to 2 in DN 40 to 50 Body Sizes 32 5 8 8 8 8 3 N r L2 433 L2 lt LN 28 2 LI 1 L CANA E SS ZN NZ H Pm YS OAS r N L2 OY O 00 OO N 7 74 m DETAIL B BEL O I THEO LL B zu sy SEE DETAIL B SEE DETAIL A METAL DIAPHRAGM OPTION GF04920 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SEIZE COMPOUND L3 SILICONE GREASE L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such
24. Instruction Manual M R98 Series January 2015 MR98 Series Backpressure Regulators Relief and Differential Relief Valves TYPE MR98H Figure 1 Typical MR98 Series Backpressure Regulators Relief and Differential Relief Valves FISHER EMERSON Process Management D103588X012 MR98 Series Specifications This section lists the specifications for the MR98 Series regulators Factory specification such as type maximum inlet pressure maximum temperature maximum outlet pressure spring range orifice size and seat material are stamped on the nameplate fastened on the regulator at the factory Available Constructions Type MR98L Direct operated low pressure backpressure regulator relief valve with 2 to 38 psig 0 14 to 2 6 bar set pressure range Type MR98H Direct operated high pressure backpressure regulator relief valve with 5 to 200 psig 0 34 to 13 8 bar set pressure range Type MR98HH Direct operated high pressure backpressure relief valve with 150 to 375 psig 10 3 to 25 9 bar set pressure range Type MR98LD Pressure loaded low pressure differential pressure relief valve with 2 to 38 psi 0 14 to 2 6 bar set pressure range Type MR98HD Pressure loaded high pressure differential pressure relief valve with 5 to 200 psi 0 34 to 13 8 bar set pressure range Type MR98HHD Pressure operated high pressure backpressure relief valve with 150 to 375 psi 10 3 to 25 9 bar differential set pressure range Body and Orif
25. KM Ethylene Propylene EPDM Recommended Spare Part is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 22 Part Number ERAA01639A1 ERAA01670A1 ERAA01670A1 ERAA01688A0 ERAA01688A1 ERAA01640A0 ERAA01640A0 ERAA02110A0 ERAA01641A0 ERAA01660A0 ERAA01641A0 ERAA01660A0 1H941736042 ERAA01642A0 ERAA01671A0 ERAA01671A0 ERAA01689A0 ERAA01642A1 1671 1 1671 1 ERAA01689A1 ERAA01672A0 ERAA01672A1 ERAA01672A2 ERAA01672A0 ERAA01672A1 ERAA01672A2 ERAA02070A0 ERCA00664A0 ERCA00664A1 ERCA00664A2 Key 47 48 49 50 51 52 53 57 58 Description NACE Tag Tag Wire Lockwasher For Type MR98HHD 3 4 and 1 in DN 20 and 25 Body Sizes Steel Stainless steel Sealing Washer 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Vent Type MR98HH 1 4 NPT Body 1 2 to 1 in DN 15 to 25 Body Sizes Type MR98H 1 1 2 and 2 in DN 40 and 50 Body Sizes Plug 1 2 to 2 in DN 15 to 50 Body Sizes Valve Plug O ring 1 2 in DN 15 Body Size Ethylene Propylene EPDM Fluorocarbon FKM Perfluoroelastomer FFKM Nitrile NBR 3 4 and 1 in DN 20 and 25 Body Sizes Ethylene Propylene EPDM Fluorocarbon FKM Perfluoroelastomer FFKM Nitrile NBR 1 1 2 and 2 in DN 40 and 50 Body Sizes Ethylene Propylene EPDM Fluorocarbon FKM P
26. NACE Monel NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 7 Valve Plug Guide 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE Part Number GF05036X022 GF05036X032 GF05552X022 GF05552X032 GF05552X052 GF04824X022 GF04824X032 GF04824X052 GF05513X022 GF05513X032 GF05513X052 See Following Tables GF05500X022 GF05500X032 GF05500X052 GF05500X042 GF05532X022 GF05532X032 GF05532X052 GF05532X042 GF05496X022 GF05496X032 GF05496X052 GF05496X042 GF05511X022 GF05511X032 GF05511X052 GF05511X042 GF04882X022 GF04882X032 GF04882X052 GF04882X042 GF05534X022 GF05534X032 GF05534X052 GF05534X042 GF05529X022 GF05529X032 GF05529X052 GF05529X042 17 MR98 Series Key Description 7 Valve Plug Guide continued 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 8 Lowe
27. NACE International Standard MR0175 and NACE MR0103 Optional materials are available to meet ANSI NACE MR0175 ISO 15156 please contact your local Sales Office for special ordering instructions Parts List Key Description Parts Kit included are keys 3 4 12 29 59 and 63 Types MR98H MR98HH and MR98HD With Stainless steel diaphragm and trim 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes With Neoprene CR diaphragm and Nitrile NBR 416 Stainless steel trim 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Types MR98L and MR98LD With Stainless steel diaphragm and plug 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes With Neoprene CR and Nitrile NBR Brass Disk 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 Body 2 Spring Case fo Orifice Metal to metal seat 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Alloy 6 NACE Hastelloy C NACE Monel NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Alloy 6 NACE Hastelloy C NACE Monel NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 St
28. NPT 6 05030 0129 20 GF05030X0220 GFO5030X0329 GFO5030x0420 ll wwe Grem cere oa corso _ ma emensus oc _ c roo _ MR98HD ns eem oroa __ meer wmo eroas ores roaa _ cmm c cesses Recommended Spare Part 1 Only one metal diaphragm is needed for Types MR98L and MR98LD with 1 4 NPT body size and 2 to 7 psi 0 14 to 0 48 bar spring range Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 28 L2 a ae GO sS 9 1202 GF04917 Q C APPLY T THREAD LOCKER z lt lt CU 29 YS D N N www gt LE SS lt sS B ml x PSK AY ses Y SL A T IS a A L L N 7 i gt Z L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SEIZE COMPOUND L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirem
29. RF 1 1 2 in DN 40 NET Types MR98H and MR98HD only With Control Line but Without Gauge Port Welded CL 150 RF Welded CL300 RF o EE With Gauge Port but Without Control Line m Welded CL300 RF Without Control Line and Gauge Port a 2 Integral CL150 RF a Integral CL300 RF a Integral PN 16 25 40 RF BE Types MR98H and MR98HD only NPT With Control Line but Without Gauge Port Welded CL150 RF Welded CL300 RF NPT With Gauge Port but Without Control Line bal Shaded areas indicate that the construction is available 1 Blank areas indicate that you need to contact your local Sales Office for the availability of the constructions 1 Meets the chemical and physical requirements of NACE 175 2002 and NACE MRO103 Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc MR98 Series Table 3 MR98 Series Body Sizes Pressure Ranges and Spring Information BODY SIZE CONTROL SPRING WIRE SPRING FREE TYPE PRESSURE RANGE DIAMETER LENGTH SPRING MATERIAL m 0 148 Zine plated steal 18992527022 Yellow SPRING COLOR 0415097 0170 Zine plated stool ERAA01888A0 Greer 1 4 12 to 25 0 83 to 1 7 0 207 1 938 Powder coated steel ERAA01889A0 20 to 38 1 4 to 2 6 0 225 2 086 Powder coated steel ERAA01929A0
30. Size 16 Cap Screws NACE Types MR98L and MR98LD 1 4 NPT Body Size Steel 10 required Stainless steel 10 required 1 2 in DN 15 Body Size Steel 10 required Stainless steel 10 required 3 4 and 1 in DN 20 and 25 Body Sizes Steel 12 required Stainless steel 12 required Types MR98H MR98HD MR98HH and MR98HHD 1 4 NPT Body Size Steel 6 required Stainless steel 6 required B8M Class 2 Stainless steel 6 required 1 2 in DN 15 Body Size Steel 8 required Stainless steel 8 required 3 4 and 1 in DN 20 and 25 Body Sizes Steel 8 required Stainless steel 8 required 1 1 2 and 2 in DN 40 and 50 Body Sizes Steel 8 required Stainless steel 8 required 17 Jam Nut NACE Square Head Adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Recommended Spare Part Part Number GF05533X012 GF05553X012 ERAA02340A0 GF05543X012 ERCA01483A0 GF05522X012 GF05553X012 GF05543X012 GF05522X012 GF05533X022 GF05553X022 ERAA02340A1 GF05543X022 ERCA01483A1 GF05522X022 ERAA02331A0 ERCA00651A0 ERCAO00651A1 ERCAO00100A0 ERCAO00100A1 GF05446X012 GF05446X022 ERCA04149A0 ERCA04149A1 ERCA04149A3 ERCAO00100A0 ERCAO00100A1 GF05446X012 GF05446X022 ERCAO00601A0 ERCA00601A3 ERCAO00652A0 ERCA00380A0 GF05453X012 ERCA00633A0 MR98 Series Key Description 17 Jam Nut NACE continued Stainl
31. URE TYPE MR98HD WITH INTERNAL PRESSURE REGISTRATION SPRING MR98 Series CONTROL LINE TAP TYPE MR98HD WITH EXTERNAL PRESSURE REGISTRATION METAL DIAPHRAGMS FOR TYPES MR98HD MR98HHD AND MR98LD WITH TWO METAL DIAPHRAGMS ASSEMBLE DIAPHRAGM GASKETS UNDER AND ABOVE THE METAL DIAPHRAGMS AS SHOWN ABOVE Figure 2 MR98 Series Operational Schematics continued Principle of Operation Relief or backpressure valves respond to changes in upstream pressure Pressure changes register under the diaphragm see Figure 2 through a registration hole in the valve body or through an external control line When the pressure increases above the spring setting the pressure underneath the diaphragm overcomes the spring compression This causes the valve plug to move away from the orifice The flow path through the valve is open and excess pressure is vented When upstream pressure drops below setpoint the valve closes Differential relief valves are used to maintain a differential pressure between the controlled pressure and loading pressure of a system The spring setting determines the differential The differential relief valve responds to both controlled pressure and loading pressure and opens or closes as these pressures change If the loading pressure increases pressure on the upper side of the diaphragm increases The valve plug moves closer to the orifice and restricts the flow through the relief valve When loading pressure de
32. a qualified person when installing operating and maintaining the MR98 Series backpressure regulators relief and differential relief valves Introduction Scope of the Manual This manual provides instructions for the installation adjustment maintenance and parts ordering information of MR98 Series backpressure regulators relief and differential relief valves Instructions and parts lists for other equipment mentioned in this Instruction Manual are found in separate manuals MR98 Series Product Description The 98 Series backpressure regulator relief and differential relieve valve are suitable for liquid gas air and steam service Typical applications include use in wash tanks small heaters fuel and oil lines air supply systems test fixtures and sterilizers Type MR98L Direct operated backpressure regulator or relief valve with relief set pressure range from 2 to 38 psig 0 14 to 2 6 bar in four ranges Body sizes are available from 1 4 NPT to 1 in DN 25 Type MR98H Basically the same as the Type MR98L but permits higher relief set pressure ranges from 5 to 200 psig 0 34 to 13 8 bar in four ranges Body sizes are available from 1 4 NPT to 2 in DN 50 Type MR98HH Provides relief with higher set pressure range from 150 to 375 psig 10 3 to 25 9 bar Body sizes are available in 1 4 NPT to 1 in DN 25 sizes Type MR98LD Differential pressure relief valve with set pressure range from 2 to 38 ps
33. ainless steel NACE Alloy 6 NACE Hastelloy C NACE Monel NACE Recommended Spare Part is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc Part Number RMR98HX0042 RMR98HX0052 RMR98HX0062 RMR98HX0082 RMR98HX0012 RMR98HX0022 RMR98HX0032 RMR98HX0072 RMR98LX0042 RMR98LX0052 RMR98LX0062 RMR98LX0012 RMR98LX0022 RMR98LX0032 See Following Tables See Following Tables GF04856X022 GF04856X032 GF04856X052 GF04856X042 GF04841X022 GF04841X032 GF04841X062 GF04841X052 GF04841X042 GF04821X022 GF04821X032 GF04821X062 GF04821X052 GF04821X042 GF04896X022 GF04896X032 GF04896X062 GF04896X052 GF04896X042 MR98 Series Key Description 3 Orifice continued Composition seat 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 4 Valve Plug 5 Bottom Plug 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C
34. and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes Handwheel adjustment with Stainless steel trim Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes 35 Stuffing Box Nut Handwheel adjustment Types MR98LD and MR98HD Type MR98HHD 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes Handwheel adjustment with Stainless steel trim Types MR98LD and MR98HD Type MR98HHD 1 4 NPT and 1 2 in DN 15 Body Sizes 3 4 and 1 in DN 20 and 25 Body Sizes Recommended Spare Part Part Number ERAA02699A0 ERAA02700A0 ERAA02696A0 ERAA02699A1 1655 1 1655 1 ERAA01662A1 ERAA02699A 1 ERAA02700A1 ERAA02696A1 ERAA01631A0 ERAA02333A0 ERAA01673A0 ERAA01677A0 ERAA01631A0 ERAA01874A0 ERAA02107A0 ERAA01632A0 1K884924092 ERAA01632A0 1P 144024092 ERAA01632A0 1K8849X0012 ERAA01632A0 1P1440X0012 ERAA01633A0 ERAA01633A0 1P144124092 ERAA01633A1 ERAA01633A1 1P1441X0012 MR98 Series Key Description 36 Packing V Ring 3 required Types MR98LD and MR98HD 1 4 NPT Body Size 1 2 to 2 in DN 15 to 50 Body Sizes Type MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 37 Stuff Box Gasket 1 4
35. be two diaphragms used per regulator except for 1 4 NPT Types MR98L and MR98LD with 2 to 7 psi 0 1 to 0 5 bar spring range which use only one metal diaphragm The raised surfaces of the metal diaphragms should be placed in the unit so that they are facing toward the assembler toward the spring except only when one diaphragm is being used then the raised surface should be facing down towards the body see Figure 2 For elastomer diaphragms the printed side should be facing upwards when installed MR98 Series 10 Slip the lower spring seat key 8 and lock washer key 28 back onto the pusher post key 10 Lubricate the threads of the pusher post and tighten the pusher post lock nut key 31 until the lock washer is flat and then turn the nut an additional 1 8 to 1 4 turn Return the diaphragm key 12 spring seat and pusher post assembly to the body key 1 11 Set the relief valve spring key 11 in the lower spring seat and place the upper spring seat key 9 on the spring 12 Put the spring case key 2 over the spring key 11 and onto the body key 1 Tighten the cap screws key 16 finger tight only 13 To ensure proper slack in the diaphragm key 12 apply some spring compression by turning the adjusting screw key 15 or handwheel key 38 clockwise Finish tightening the cap screws See Table 6 for recommended torque values Replacement or Maintenance of Bottom Plug O ring If there is any external leakage
36. creases pressure on the upper side of the diaphragm decreases This allows the valve plug to move away from the orifice and allow more flow through the differential relief valve to atmosphere or back into the system The differential relief valve opens and closes in response to changes in the controlled pressure In this way the differential pressure between the controlled and uncontrolled pressures is maintained MR98 Series Table 1 Types MR98L and MR98LD Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE gt 2 d D G I c N o gt G 2 o O d o b od o o E c SWE Without Control Line and Gauge Port Welded CL150 RF I 1 2 DN 15 Welded CL300 RF mu Welded PN 16 25 40 RF E sre Without Control Line and Gauge Port Welded CL150 RF Welded CL300 RF E Welded PN 16 25 40 RF E 3 4 in DN 20 With Control Line but Without Gauge Port Welded CL150 RF With Gauge Port but Without Control Line Welded CL300 RF EN Welded PN 16 25 40 RF m ww re 1 EL Without Control Line and Gauge Port Welded CL150 RF a Welded CL300 RF Welded PN 16 25 40 RF 1 in DN 25 5 With Gauge Port but Without Control Li NH auge u Itnou ontroi Line Welded CL300 RF Welded PN
37. cumulated gas do not attempt any maintenance or disassembly without first isolating the relief valve or regulator from system pressure and relieving all internal pressure from the relief valve or regulator To avoid possible personal injury from spring or pressure loaded actuator make sure that the adjusting screw is completely backed off or the spring case pressure is vented prior to disassembly Fluorocarbon FKM Ethylenepropylene EPDM Neoprene CR m m Fluorocarbon FKM Ethylenepropylene EPDM Otherwise the spring load or loading pressure could forcefully eject the spring case Relief valves or regulators that have been disassembled for repair must be tested for proper operation before being returned to service Only parts manufactured by Emerson should be used for repairing Fisher relief valves and regulators Due to normal wear or damage that may occur from external sources this relief valve or backpressure regulator should be inspected and maintained periodically The frequency of inspection and replacement of parts depends upon the severity of service conditions or the requirement of local state and federal rules and regulations Due to normal wear and damage that may occur from external sources relief valve parts such as the O rings gaskets diaphragm orifice and valve plug should be inspected periodically and replaced as necessary The frequency of inspection and replacement depends upon the
38. d replace the O ring 7 Separate the remainder of the diaphragm unit parts Take the lock nut key 31 off of the pusher post key 10 Slide off the lock washer key 28 lower spring seat key 8 diaphragm head key 21 for Types MR98L and MR98LD all body sizes and for Types MR98H and MR98HD 1 1 2 and 2 in DN 40 and 50 body sizes diaphragm key 12 washer key 58 and gasket key 29 8 Slip the valve plug key 4 onto the pusher post key 10 Place a gasket key 29 on the shaft of the pusher post over the threaded portion until it rests on the base of the post If elastomer diaphragm key 12 is used place a metal washer key 58 on top of the gasket For Type MR98H 1 1 2 to 2 in DN 40 to 50 with metal diaphragm place another gasket on the shaft of the pusher post until it rests on the bottom diaphragm head key 21 see Figure 7 Note If a metal diaphragm is to be replaced by an elastomer diaphragm or an elastomer diaphragm by a metal diaphragm a new pusher post is required Each diaphragm material requires a different pusher post length and make sure the proper number of metal or elastomer diaphragm that will be used is followed Refer to the Parts List section or Table 7 for the correct number of diaphragm to be used See Figures 4 to 10 For the metal diaphragms key 12 replace the large diaphragm gasket key 19 on the surface of the body key 1 that will support the diaphragms There will
39. dividual spring range of your valve is stamped on the nameplate Maximum inlet pressure depend upon body materials and temperatures See Specifications section or the maximum inlet pressure of the valve and the maximum spring case loading pressures stamped on the nameplate of Types MR98LD MR98HD and MR98HHD The valve should be inspected for damage after any overpressure condition Vents and Relief Valve Outlet If using an MR98 Series backpressure regulator relief or differential relief valve on hazardous or flammable gas service personal injury and property damage could occur due to fire or explosion of vented gas that may have accumulated To prevent such injury or damage provide piping or tubing to vent the gas to a safe well ventilated area All vents should be kept open to permit free flow of gas to the atmosphere Protect openings against entrance of rain snow insects or any other foreign material that may plug the vent or vent line MR98 Series Table 4 Maximum Cold Working Pressures of Body Size and Materials BODY AND MAXIMUM MAXIMUM MAXIMUM REGULATOR ee SBRING CASE INLET PRESSURE OUTLET PRESSURE SPRING CASE PRESSURE MATERIALS Gray Cast Iron Steel MR98L All Sizes Stainless steel Monel Hastelloy C Gray Cast Iron Steel MR98LD All Sizes Stainless steel Monel Hastelloy C Gray Cast Iron Steel MR98H All Sizes Stainless steel Monel Hastelloy C Aluminum Bronze TYPE Gray Cast
40. dy Sizes Nitrile NBR seat Fluorocarbon FKM seat Ethylene Propylene EPDM seat Perfluoroelastomer FFKM seat 62 Adaptor NACE Types MR98L and MR98LD 3 4 and 1 in DN 20 and 25 Body Sizes 63 Bottom Plug Seal 1 4 NPT Body Size Nitrile NBR Perfluoroelastomer FFKM Fluorocarbon FKM Ethylenepropylene EPDM Graphite 1 2 in DN 15 Body Size Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM Graphite Recommended Spare Part is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc Part Number GF05525X012 GF05525X022 GF05525X042 GF05525X032 ERCA02967A0 ERCA02967A1 ERCA02967A2 ERCA02974A0 ERCA02974A1 ERCA02974A2 ERCA02974A3 ERCA00974A0 ERCA00974A1 ERCA00974A2 ERCA00974A3 ERCAO00668A1 ERCAO00668A2 ERCA00668A3 ERCA00668A5 ERAA01930A0 ERCAO03017A0 ERCA03017A3 ERCAO03017A1 ERCAO03017A2 ERCA02976A0 ERCA03016A0 ERCA03016A1 ERCA03016A2 ERCA02978A0 MR98 Series Key Description 63 Bottom Plug Seal continued 3 4 and 1 in DN 20 and 25 Body Sizes Nitrile NBR Perfluoroelastomer FFKM Fluorocarbon FKM Ethylenepropylene EPDM Graphite 1 1 2 and 2 in DN 40 and 50 Body Sizes Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM Graphite 64 Flow Arrow 65 Pipe Plug 3 4 to 2 in DN 20 to 50 Body Sizes Steel Stainless steel 66 Pressure Gauge 3 4 to 2 in DN 20 to 50 Body Sizes 0 to 15 psig 0 to 1 0 bar
41. e 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes 21 Diaphragm Head 1 4 NPT Body Size Steel NACE Stainless steel NACE 1 Part meets NACE requirements only for applications in which the part is not exposed to sour gas Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc Part Number ERCAO00652A1 ERCA00380A1 GF05453X022 ERCA00633A1 ERCA00380A0 GF05453X012 ERCA00633A0 ERCA00652A0 GF05453X012 ERCA00633A0 ERCA00380A0 ERAA01884A0 ERCAO00655A0 ERCA00491A0 ERCA00556A0 1E393104022 ERCA00485A0 ERCA00510A0 ERCAO00526A0 ERCAO00655A2 ERCA00491A2 ERCA00556A2 1E3931X0022 ERCA00485A2 ERCA00510A2 ERCAO00526A2 ERCAO00655A1 ERCA00491A1 ERCAO00556A1 1E3931X0012 ERCA00485A1 ERCA00510A1 ERCA00526A1 1L345525072 1L3455X0012 19 MR98 Series Key Description 21 Diaphragm Head continued 1 2 in DN 15 Body Size Steel NACE Stainless steel NACE 3 4 and 1 in DN 20 and 25 Body Sizes Steel NACE Stainless steel NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 2 required 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 22 Adjusting Screw Assembly NACE Tee Handle Adjustment 1 4 NPT Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes 23 Handwheel NACE 1 2 in DN 15 Body 24 Machine Screw 1 4 NPT Body Si
42. e ee ee s E Port Welded CL300 RF Welded CL300 Welded CL300 RF ERAAO2506A0 ERAAO2506A3 ERAAO2506A2 ERAA02506A1 u tnou Control Line Welded 1 Meets the chemical and physical requirements of NACE MRO0175 2002 and NACE MR0103 NOTE Contact your local Sales Office if additional gauge and control line options are needed Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 26 MR98 Series Key 2 Spring Case Part Numbers BODY SIZE SPRING CASE MATERIAL STYLE oU O Gray Cast Iron WCC Steel LCC Steel Gram Monel Hastelloy C Stainless Steel standare EROADGSAAD_ EROATEBTAADY ERCAOGETEAGT aneren ERAADTOT2AR ERAADIOT2ASN ERAROTETAAGH Dried maur EROA0288340 EROA02589A3 08 ia Hote Standard ERCA03497A0 EROATZGOBADT ERCAOZ DEAST ERCA02908427 7 mM 3 4 and 1 20 and 25 ener WNT ven inary tno nnn va NeT ven stanara 00008 standard EROATASAAAD EROA02572A0 EROAGEETAASY on E 1L 3E Dried oe ERCA09562A0 montesewwo ERCANEEDIAST 0 e E ms 3 4 and 1 20 and 25 ROADS
43. e presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Emerson Process Management Regulator Technologies Inc 2013 2015 All Rights Reserved gt a lt EMERSON
44. egral CL300 RF ERCA04332A2 ERCA04332A4 ERCA04332A5 ERCA04332A6 1 in DN 25 With Control Line but Without Gauge Port 1 in DN 25 With Gauge Port but Without Control Line Integral M CL150 RF ERAAO2479A0 ERAAO2479A3 ERAAO2479A2 ERAA02213A0 ERAA02213A1 ERAA02213A4 ERAA02213A3 ERAA02213A2 MEME Welded CL150 RF Fry ERAA02223A1 ERAA02223A4 ERAA02223A3 ERAA02223A2 LEER Welded CL300 RF e ERAA02224A1 ERAA02224A4 ERAA02224A3 ERAA02224A2 ee Welded 1 Meets the chemical and physical requirements of NACE MR0175 2002 and NACE MR0103 2 Available for Types MR98H and MR98HD only NOTE Contact your local Sales Office if additional gauge and control line options are needed continued Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 25 MR98 Series Key 1 Types MR98H and MR98HD Body Part Numbers continued BODY MATERIAL END BODY SIZE CONNECTION CF8M CF3M md STYLE us WCC Steel LCC Steel Stainless Stainless Monel Hastelloy C xd Steel Steel Kasi ERCA01385A0 ERCA01385A1 ERCA01385A7 ERCA01385A3 ERCA01385A2 ERCA01385A4 ERCA01385A9 Welded CL150 RF eee ERAA01770A0 E ERAA01770A1 J 7 SS eee Without Gauge sone Welded CL300 RF CL300 Welded CL300 RF 1771 0 ERAA01771A3 1771
45. ents 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 4 Type MR98L Assembly a m 8 21 SED Moe MR98 Series I CONTROL LINE OPTION 222217275 METAL DIAPHRAGM OPTION 29 MR98 Series 222222 2 AS SSS T s 4 L3 36 VN S Ay L C d E 2 LLL 2 lt Ez SN lt Q G 21 77 A 74 LL BEES SE SSF8 m 2 AE o KS E SN p 29 ANN Le OL a uw INS Z H e A me r N 222 L1 L4 r3 Ae v SEE DETAIL DETAIL B GF04921 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SEIZE COMPOUND L3 SILICONE GREASE L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts DAZ ime 2 B ee ccn IWS y S E FS
46. erfluoroelastomer FFKM Nitrile NBR Jam Nut Type MR98HHD 3 4 and 1 in DN 20 and 25 Body Sizes Handwheel adjustment Handwheel adjustment with Stainless steel Trim Washer 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE Part Number ERCA00379A0 ERCAO00379A1 1V205699012 11A9681X012 1V424699012 0L078343062 ERAA02123A0 ERAA02123A0 ERAA01942A0 ERCA02968A2 ERCA02968A1 ERCA02968A3 ERCA02968A0 ERCA00973A2 ERCA00973A1 ERCA00973A3 ERCA00973A0 ERCA01406A2 ERCA01406A1 ERCA01406A3 ERCA01406A0 ERCA00380A0 ERCA00380A1 GF05050X012 GF05050X022 GF05050X032 GF05050X042 GF05050X012 GF05050X022 GF05050X042 GF05050X032 Key Description 58 Washer continued 3 4 and 1 in DN 20 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 59 O ring 1 4 NPT Body Size Nitrile NBR seat Fluorocarbon FKM seat Ethylene Propylene EPDM seat 1 2 in DN 15 Body Size Nitrile NBR seat Fluorocarbon FKM seat Ethylene Propylene EPDM seat Perfluoroelastomer FFKM seat 3 4 and 1 in DN 20 and 25 Body Sizes Nitrile NBR seat Fluorocarbon FKM seat Ethylene Propylene EPDM seat Perfluoroelastomer FFKM seat 59 L ring 1 1 2 and 2 in DN 40 and 50 Bo
47. ess steel Square Head Adjustment 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Sealed Square Head Adjustment 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Tee Handle Adjustment 1 4 NPT Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes Handwheel Adjustment 1 2 in DN 15 Body Size 18 Drive Screw 4 required NACE 19 Diaphragm Gasket 2 required for pressure loaded spring case 302 Stainless steel diaphragm Types MR98L and MR98LD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98H MR98HD MR98HH and MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes 302 Stainless steel Oxygen Service diaphragm Type MR98L 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98H and MR98HH 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes 302 Stainless steel Steam Service Monel and Hastelloy C Diaphragms Types MR98L and MR98LD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98H MR98HD MR98HH and MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Siz
48. essure setting specified on the order or at the mid point of the spring range The allowable spring range is stamped on the nameplate If a pressure setting beyond the indicated range is required replace with the appropriate spring Be sure to label the regulator valve to indicate the new pressure range Always use a pressure gauge to monitor pressure when making adjustments All MR98 Series regulator springs can be backed off to zero pressure Recommended set pressure ranges available maximum inlet pressures and temperatures and color codes of the respective springs are shown in the Specifications section and Table 3 MR98 Series Types MR98L MR98H and MR98HH 1 Loosen the jam nut key 17 Figures 4 6 7 and 10 2 To increase the set pressure or pressure setting turn the adjusting screw key 15 clockwise Turn the adjusting screw counterclockwise to decrease the set pressure or pressure setting 3 Tighten the jam nut key 17 Types MR98LD MR98HD and MR98HHD Turn the handwheel key 38 Figures 5 8 and 9 clockwise to increase differential pressure setting Turn the handwheel counterclockwise to decrease the differential pressure setting Shutdown Relief Valve 1 Close the upstream shutoff valve to the regulator inlet 2 Close the downstream shutoff valve to the regulator outlet 3 Slowly open the downstream vent valve to vent downstream pressure 4 Leave the downstream vent valve open to vent inlet
49. f L1 general purpose PTFE or lithium grease on key 63 for graphite ring Figure 9 Type MR98HD Assembly with 1 1 2 to 2 in DN 40 to 50 Body Sizes 34 MR98 Series L2 45 Se 17 tt B L2 10 f hn HJ Z 2 ne Z sama lbh Y 7727 8 RAZZ SEE NOTE 4 FS L2 16 SZ d 29 4 A gt Tu 4 SN 7 EWS OL 63 5 512 L4 sama 2 t r COMPOSITE SEAT OPTION CONTROL LINE OPTION METAL DIAPHRAGM OPTION 0605 0 APPLY T THREAD LOCKER L1 GENERAL PURPOSE PTFE OR LITHIUM GREASE FOR O RINGS L2 ANTI SEIZE COMPOUND L4 GRAPHITE SEALANT FOR GRAPHITE RING 1 Lubricants and sealants must be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 only for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring 4 Key 68 is available for Type MR98HH with 3 4 and 1 in DN 20 and 25 bodies only Figure 10 Type MR98HH Assembly with 1 4 NPT to 1 in DN 25 Body Sizes 35 MR98 Series Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853
50. ice Sizes 1 4 NPT 0 284 in 7 22 mm 1 2 in DN 15 0 416 in 10 56 mm 3 4 and 1 in DN 20 and 25 0 631 in 16 02 mm 1 1 2 and 2 in DN 40 and 50 1 142 in 29 mm Maximum Spring Case Loading Pressure for Types MR98LD MR98HD and MR98HHD Spring Setting Plus Loading Pressure Type MR98LD Spring Case Gray Cast Iron 50 psig 3 4 bar Steel or Stainless steel 125 psig 8 6 bar Type MR98HD Spring Case Gray Cast Iron 250 psig 17 2 bar Steel or Stainless steel 300 psig 20 7 bar Type MR98HHD Spring Case Steel or Stainless steel 300 psig 20 7 bar Maximum Inlet and Outlet Pressure Rating See Table 4 Body Sizes and End Connection Styles See Tables 1 and 2 Maximum Cold Working Pressures of Body Size and Materials See Table 4 Flow Coefficients BODY SIZE v C seme C ee ee 45 1 2 35 3 3 4 and 1 20 and 25 38 5 1 2and2 40and50 39 0 IEC Sizing Coefficients BODY SIZE 14 0743 074 095 09 1 2 0 88 3 4 and 1 0 83 1 1 2and2 40and50 0961 069 0 94 0 88 Set Pressure Ranges See Table 3 Pressure Registration Internal or External Shutoff Classification Per ANSI FCI 70 3 2004 Metal Seats Class IV Polytetrafluoroethylene PTFE Class IV Elastomer Seats Class VI or better Temperature Capabilities for Elastomer Parts See Table 5 Temperature Capabilities for Metal Parts See Table 5 Approximate Weights MR98H Series 1 4 NPT 5 16 2 3 kg 1
51. ig 0 14 to 2 6 bar Body sizes are available from 1 4 NPT to 1 in DN 25 Type MR98HD Basically the same as Type MR98LD but permits higher differential relief set pressure from 5 to 200 psig 0 34 to 13 8 bar Body sizes are available from 1 4 NPT to 2 in DN 50 Type MR98HHD Differential pressure relief valve with higher set pressure range from 150 to 375 psi 10 3 to 25 9 bar Bodies are available in 1 4 NPT to 1 in DN 25 sizes MR98 Series ADJUSTING SCREW CONTROL SPRING VENT DIAPHRAGM VALVE PLUG ORIFICE CONTROL LINE TAP TYPE MR98H WITH INTERNAL BACK VIEW OF SIDE AND INTERNAL VIEW OF PRESSURE REGISTRATION 1 2 IN DN 15 TYPE MR98H 3 4 TO 2 IN DN 20 TO 50 WITH EXTERNAL TYPE MR98H WITH EXTERNAL PRESSURE REGISTRATION PRESSURE REGISTRATION ALSO TYPICAL OF TYPE MR98L 1 2 TO 2 IN DN 15 TO 50 BODIES EE INLET PRESSURE _ OUTLET PRESSURE C ATMOSPHERIC PRESSURE METAL DIAPHRAGMS gt 7 Z METAL DIAPHRAGM FOR TYPE MR98H WITH TWO METAL DIAPHRAGMS TYPE MR98L 1 4 NPT BODY 2 TO 7 psi 0 14 TO 0 48 bar RANGE ALSO TYPICAL OF TYPES MR98HH AND MR98L EXCEPT FOR WITH ONE METAL DIAPHRAGM TYPE MR98L 1 4 NPT BODY 2 TO 7 psi 0 1 TO 0 48 bar RANGE Figure 2 MR98 Series Operational Schematics HANDWHEEL CONTROL SPRING LOADING PRESSURE DIAPHRAGM PA RETE INLET VALVE PLUG ORIFICE BEES INLET PRESSURE E OUTLET PRESSURE LOADING PRESS
52. l Line oS I WededPN162540RF I d o o o eo LL 1 2 in DN 15 WeddcHsoRE T m s hegacHisoRE J mgalci30RE BE With Control Line but Without Gauge Port WeldedCLTSORF Wededct3oRE With Gauge Port but Without Control Line Shaded areas indicate that the construction is available ____1 areas indicate that you need to contact your local Sales Office for the availability of the constructions 1 Meets the chemical and physical requirements of NACE 175 2002 and NACE MRO103 1 in DN 25 2 Available for Types MR98H and MR98HD only continued Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc MR98 Series Table 2 Types MR98H MR98HD MR98HH and MR98HHD Regulators Body Constructions continued BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE gt 9 d D L c d m o gt i o o gt d o O o E Lj is e C LL gt o N c E E lt Per 0 Without Control Line and Gauge Port welded cL1s0RF Welded CL300 RF Welded PN 16 25 40
53. n 10 Pusher Post Composition Diaphragm 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE Metal Diaphragm 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Monel NACE 11 Control Spring NACE 12 Diaphragm 13 Nameplate 14 Diaphragm Protector PTFE NACE Types MR98L and MR98LD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes Types MR98H MR98HD MR98HH and MR98HHD 1 4 NPT Body Size 1 2 in DN 15 Body Size 3 4 and 1 in DN 20 and 25 Body Sizes 1 1 2 and 2 in DN 40 and 50 Body Sizes
54. ngs may be backed off to 0 psig 0 bar However highest capacities and best performances are obtained by using these springs in their recommended ranges MR98 Series LOADING PRESSURE HIGH PRESSURE RELIEF OUTLET AND OPTIONAL PIPING TO SYSTEM UNCONTROLLED LOW PRESSURE Y CONTROLLED HIGH PRESSURE TYPE MR98HD LOW PRESSURE FOR LOADING H WU CONTROLLED HIGH PRESSURE TYPE MR98LD Figure 3 Installation Schematics for Types MR98LD and MR98HD Relief Valves Installation Personal injury or system damage may result if this backpressure regulator relief or differential relief valve is installed where service conditions could exceed the limits given on the Specifications section and or regulator nameplate Additionally physical damage to the backpressure regulator or relief valve may result in personal injury or property damage due to escaping of accumulated gas To avoid such injury and damage install the backpressure regulator or relief valve in a safe location Under enclosed conditions or indoors escaping gas may accumulate and be an explosion hazard In this case the vent should be piped outdoors For regulator constructions with a spring case vent the vent should be kept open to permit free flow of gas to the atmosphere Protect openings against entrance of rain snow insects or any other foreign material that may plug the spring case vent or vent line
55. pressure and to release all remaining pressure in the regulator by opening the upstream vent valve or by turning the adjusting screw fully counterclockwise Differential Valve Pressure Loaded System 1 Close the upstream shutoff valve to the regulator inlet 2 Close the downstream shutoff valve to the regulator outlet To avoid damage of internal parts from a pressure loaded actuator carefully vent the regulator spring case pressure prior to inlet pressure 3 Vent the loading pressure slowly to release pressure in the spring case MR98 Series Table 7 Number of Diaphragms Required All MR98L and MR98LD 1 4 NPT MR98H MR98HH MR98HD and All MR98HHD 1 2 to 2 in DN 15 to 50 4 Slowly open the downstream vent valve to vent downstream pressure 5 Leave the downstream vent valve open to vent inlet pressure and to release all remaining pressure in the regulator by opening the upstream vent valve or by turning the adjusting screw fully counterclockwise Backpressure Regulator 1 Close the upstream shutoff valve to the regulator inlet 2 Close the downstream shutoff valve to the regulator outlet 3 To avoid internal damage due to reverse pressurization of main valve components bleed backpressure regulator inlet pressure first before bleeding outlet pressure Maintenance To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of ac
56. r Spring Seat NACE Types MR98L MR98LD MR98H and MR98HD 1 4 NPT Body Size Aluminum Stainless steel 1 2 in DN 15 Body Size Aluminum Stainless steel 3 4 and 1 in DN 20 and 25 Body Sizes Aluminum Stainless steel 1 1 2 and 2 in DN 40 and 50 Body Sizes Steel Stainless steel Types MR98HH and MR98HHD 1 4 NPT Body Size Aluminum Stainless steel 1 2 in DN 15 Body Size Aluminum Stainless steel 3 4 and 1 in DN 20 and 25 Body Sizes Steel Stainless steel 9 Upper Spring Seat NACE Types MR98L MR98LD MR98H and MR98HD 1 4 NPT Body Size Steel Stainless steel 1 2 in DN 15 Body Size Steel Stainless steel 3 4 and 1 in DN 20 and 25 Body Sizes Steel Stainless steel 1 1 2 and 2 in DN 40 and 50 Body Sizes Steel Stainless steel Types MR98HH and MR98HHD 1 4 NPT Body Size Steel Stainless steel 1 2 in DN 15 Body Size Steel Stainless steel 3 4 and 1 in DN 20 and 25 Body Sizes Steel Stainless steel Recommended Spare Part Part Number GF05539X022 GF05539X032 GF05539X052 GF05539X042 1L344609012 1L3446X0012 1L339708012 1L3397X0012 1L342708012 1L3427X0012 1P 787724152 1P7877X0012 1N942009012 1N9420X0012 1N943024272 1N9430X0012 1N943824272 1N9438X0012 ERCA00383A0 ERCA00383A1 ERCA00823A0 ERCA00823A1 1E398725072 1E3987X0012 1P787624092 1P7876X0012 1N942124092 1N9421X0012 ERCA00430A0 ERCA00430A1 1N943924092 1N9439X0012 Key Descriptio
57. rocedure 2 For Types MR98LD MR98HD and MR98HHD Release all spring compression by turning the adjusting screw or handwheel key 33 or 38 counterclockwise until it turns freely without resistance from the spring For Types MR98L MR98H and MR98HH Relieve the spring tension by loosening the jam nut key 17 and turning the adjusting screw key 15 counterclockwise 3 Remove cap screws key 16 and lift off the spring case key 2 upper spring seat key 9 and relief valve spring key 11 Lift out the diaphragm unit which includes the lock nut key 31 lock washer key 28 pusher post key 10 gasket key 29 lower spring seat key 8 diaphragm key 12 diaphragm head key 21 for Types MR98L and MR98LD all body sizes and for Types MR98H and MR98HD 1 1 2 and 2 in DN 40 and 50 body sizes valve plug key 4 and Type MR98HD has another washer key 58 and an O ring key 45 4 Check the orifice key 3 for wear or damage If it needs to be replaced unscrew the valve plug guide key 7 and then the orifice The valve plug key 4 can be removed by sliding it off of the pusher post key 10 MR98 Series 5 Place a small amount of sealant on the threads of the orifice key 3 and valve plug guide key 7 and reinstall these to the body key 1 See Table 6 for torque specifications 6 To replace the valve plug O ring key 53 remove the machine screw key 24 and O ring retainer key 25 from the plug Remove an
58. tegral CL 300 RF sedeo up te enean ERAA02401A0 ERAA02401A1 ERAA02401A2 ERAA02401A3 Integral Fesorsan ERAA0193424 tnworssaxs mm mm LM eee ene cae weed C1500 RF m m e asas FRCA0198351 ERCAD138347 3 ERGADTGEGAD EROADIOODBE oe ERA Orosi enaaorranas m E se ee eee e Wages ciso RF ERAADIEOOKS ERAADIOODAZ 7 7 Welded inse Welded CL150 RF CL150 Welded CL150 RF ERAA02477A0 ERAA02477A3 ERAAO2477A2 Line but Without ERAA02212A0 ERAA02212A1 ERAA02212A4 ERAA02212A3 ERAA02212A2 eMe 3 4 in DN 20 Welded CL150 RF Pee fo ERAA02215A1 E E ERAA02215A2 Ee ee eee pu With Gauge Welded CL300 RF CL300 Welded CL300 RF ERAA02216A1 ERAA02216A4 ERAA02216A3 ERAA02216A2 Port but Without Control Line Welded ERCA03673A0 ERCA03673A1 ERCA03673A7 ERCA03673A4 ERCA03673A3 ERCA03673A9 ERCA03673B1 Welded 150 RF ERAA01804A0 ERAA01804A3 ERAA01804A2 ERAA01804A1 1 in DN 25 Welded CL300 RF CL300 Welded CL300 RF ERAA01806A0 ERAA01806A3 ERAA01806A2 ERAA01806A1 Without Gauge Welded Port and PN ETE RF ERAA01793A0 ERAA01793A2 ERAA01793A1 Integral CL150 CL150 RF E E EI E Integral CL300 RF CL300 Int
59. ue by 30 when using Ethylenepropylene EPDM diaphragms Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation 12 If remote venting is necessary an optional tapped vent in the spring case is available Install remote vent lines in the spring case and outlet openings The vent lines must have the largest practical diameter and be as short as possible with a minimum number of bends or elbows Install the vent line according to applicable federal state and local codes and regulations Startup Note The Specifications section and Table 4 show the maximum inlet and the differential pressures for specific constructions Use pressure gauges to monitor inlet pressure outlet pressure and any loading pressure during startup Key numbers are shown in Figures 4 through 10 1 Check that proper installation is completed and downstream equipment has been properly adjusted 2 Make sure all block and vent valves are closed 3 Decompress the control spring by turning the adjusting screw for Types MR98L MR98H and MR98HH or handwheel for Types MR98LD MR98HD and MR98HHD counterclockwise 4 Slowly open the valves in the following order a Loading supply and control line valve s if used b Inlet block valve c Outlet block valve 5 Set the regulator to the desired set pressure according to the Adjustment procedure Adjustment Each unit is factory set for the pr
60. ze 416 Stainless steel 316 Stainless steel NACE Oxygen Service 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen service Hastelloy C NACE 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 25 O ring Retainer 1 4 NPT Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service 1 2 in DN 15 Body Size 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 3 4 and 1 in DN 20 and 25 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE 25 Seat Retainer 1 1 2 and 2 in DN 40 and 50 Body Sizes 416 Stainless steel 316 Stainless steel NACE Oxygen Service Hastelloy C NACE Recommended Spare Part Part Number 1L339625072 1L3396X0012 1L342125072 1L3421X0012 ERCA00578A0 ERCA00578A1 ERCA00578A3 ERCA00578A2 ERAA01707A0 ERAA01716A0 ERAA01694A0 02088 0 GF05033X012 GF05033X022 1J4159X0012 1J4159X0012 1J4159X0062 1L343538992 1L3435X0012 1L3435X0052 1P788638992 1P788638992 1P7886X0022 GF05031X022 GF05031X032 GF05078X022 GF05078X032 GF05078X052 1L343035132 1L343035072 1L3430X0022 ERCA00377A0 ERCA00377A1 ERCA00377A3 Key Description 28 Lockwasher NACE 1 4 NPT and 1 2 in DN 1

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