Emerson MR95 Data Sheet
Contents
1. 15 1 0 1 To obtain capacities for regulators with metal diaphragms multiply the table values by 0 8 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 1 Capacities not tested due to cavitation regime 24 Bulletin 1 1 MR95 Table 21 Water Capacities 2 GPM L min for 1 4 and 1 2 through 1 in DN 15 through 25 Types MR95H and MR95HD Regulators with Elastomer Diaphragm REGULATOR BODY SIZE IN DN RECOMMENDED PRESSURE REGULATORBODYSEE IN DN_ OUTLET 412115 3 4 20 1125 DIFFERENTIAL Outlet PRESSURE Hed RANGE 9 psig psi bar ra esr rm es or ee sex vae n eir ver 15 to 30 1 0 to 2 1 25 to 75 1 7 to 5 2 70 to 150 4 8 to 10 3 1 To obtain capacities for regulators with metal diaphragms multiply the table values by 0 6 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 Capacities not tested due to cavitation regime 25 Bulletin 1 1 MR95 Table 22 Water Capacities GPM L min for 1 1 2 through 2 in DN 40 through 50 Types MR95H and MR95HD Regulators with Elastomer es REGULATOR BODY SIZE IN DN 1 1 2 40 2150 Outlet RECOMMENDED PRESSURE 0 OUTLET DIFFERENTIAL PRESSURE Differential Droop Droop mp RANGE 7 i suse sm en n ao en es v I 15 1 0 Setting 5 to 80 02. WededPNie2p4oREF pel L With Control line but Without Gauge Port Welded PN 16 2540RF or Hastello Ll m o gt i o o d o l 7v _ S With Gauge Port but Without Control Line n HMM Welded PN 16 2540RF NAM 7v SE wececHonr wewscoonr Without Gauge Port and Control Line mm megactisoR megaci3oRE f j ZING megacteoR 1T mgalPNite2540RF ar MEN With Control Line but Without Gauge Port BE WededPN162S4oRE hrc With Gauge Port but Without Control Line s MM Welded PN 16 2540RF o j 7 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 Gray cast iron body material is available for Types MR95H and MR95HD only Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc Table 3 Body Sizes Pressure Ranges and Spring Information BODY SIZE OUTLET OR DIFFERENTIAL SPRING WIRE SPRING FREE TYPE PRESSURE RANGE 1 DIAMETER LENGTH SPRING SPRING PART SPRING MATERIAL 2 NUMBER COLOR 206 0 1410 0 41 0 148 50 8 Zinc plated steel 1E392527022 T 10 0 170 508
3. n s os nu n s n s ns n s Setting 1 15 to 100 1 0 to 6 9 80 to 300 5 5 to 20 7 200 1 Capacities are based in Ibs h kg h of saturated steam 22 Bulletin 1 1 MR95 Table 19 Steam Capacities for 1 1 2 wee T 2 in DN 40 through 50 Type MR95HT Regulators with Metal Diaphragm REGULATOR BODY SIZE IN DN 1 Me 140 2150 Outlet REcommennep PRESSURE OUTLET DIFFERENTIAL PRESSURE ee L L ioe Pez Dun 15 to 100 1 0 to 6 9 50 3 4 5200 5900 125 6700 8300 9000 Differential Droop Setting 3700 4400 10 000 11 000 60 to 260 4 1 to 17 9 200 6400 4500 7000 7600 5300 7800 8400 7200 9200 9500 8400 10 000 10 000 9200 11 000 11 000 10 000 12 000 12 000 11 000 13 000 13 000 11 000 14 000 1 Capacities are based in Ibs h kg h of saturated steam L Denotes capacities limited by boost 250 23 Bulletin 1 1 MR95 Table 20 Water Capacities L min for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Types MR95L and MR95LD Regulators with Elastomer Diaphragm REGULATOR BODY SIZE IN DN RECOMMENDED PRESSURE REGULATORBODYSEE IN DN_ O O OUTLET 412115 3 4 20 1125 DIFFERENTIAL Outlet PRESSURE Hed RANGE 9 psig psi bar enr praes a s is reas ru crar ra s pei 2106 0 14 to 0 41 5 to 15 13 to 30 0 90 to 2 1 0 34 to 1 0
4. 2 1 bar Yellow O 25 to 75 psig psi 1 7 to 5 2 bar Green LI 70 to 150 psig psi 4 8 to 10 3 bar Red 302 Stainless steel 9 3 15 to 30 psig psi 1 0 to 2 1 bar Yellow 25 to 75 psig psi 1 7 to 5 2 bar Unpainted 70 to 150 psig psi 4 8 to 10 3 bar Unpainted 1 1 2 and 2 in DN 40 and 50 body sizes Steel Spring 5 to 80 psig psi 0 34 to 5 5 bar Black with light blue stripe 60 to 120 psig psi 4 1 to 8 3 bar Light Gray LI 100 to 140 psig psi 6 9 to 9 7 bar Yellow 120 to 150 psig psi 8 3 to 10 3 bar Black Type MR95HT 1 4 NPT and 1 2 in DN 15 body size Inconel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 80 to 300 psig 5 5 to 20 7 bar Unpainted 3 4 and 1 in and DN 20 and 25 body sizes 17 4 PH Stainless steel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 80 to 300 psig 5 5 to 20 7 bar Unpainted 1 1 2 and 2 in and DN 40 and 50 body sizes 17 4 PH Stainless steel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 60 to 260 psig 4 1 to 17 9 bar Unpainted Type MR95HP 1 4 NPT and 1 2 in DN 15 body size Inconel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 80 to 400 psig 5 5 to 27 6 bar Unpainted 3 4 and 1 in DN 20 and 25 body sizes 17 4 PH Stainless steel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 80 to 400 psig 5 5 to 27 6 bar Unpainted 1 1 2 and 2 in DN 40 and 50
5. 23 are for regulators using only elastomer diaphragms Depending on regulator size a multiplier given in these 15 Bulletin 1 1 MR95 Table 12 Air Capacities in SCFH Nm3 h for 1 1 2 through 2 in DN 40 through 50 Types MR95H and MR95HD Regulators with Elastomer or Stainless Steel MEM REGULATOR BODY SIZE IN DN 1 1 2 40 2 50 Outlet RECOMMENDED OUTLET DIFFERENTIAL PRESSURE RANGE psig psi bar sepes er sorn mem scr swan sem sce sm sera wm scr 30 2 1 Setting 5 to 80 0 34 to 5 5 60 to 120 4 1 to 8 3 199 150 000 180 000 210 000 210 000 100 000 120 000 100 to 140 140 000 6 9 to 97 160 000 180 000 220 000 110 000 76 000 110 000 130 000 93 000 140 000 120 01507 150 140 000 120 000 160 000 8 3 to 10 3 150 000 140 000 180 000 110 000 180 000 190 000 220 000 1 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 16 Bulletin 1 1 MR95 Table 13 Air 1 2 in SCFH Nm3 h for 1 4 and 1 2 through 1 DN 15 through 25 Type MR95HP Diaphragm Regulator REGULATOR BODY SIZE IN DN RECOMMENDED OUTLET 1 4 NPT 1 2 15 3 4 20 1 25 Outlet Differential Setting DIFFERENTIAL psig psi bar 3600 3900 4100 4800 5500 6900 8200 9100 10 000 11 000 12 000 13 000 15 000 15 to 100 1 0 to 6 9 6600 12 000 19 000 13
6. 34 to 5 5 60 to 120 4 1 to 8 3 100 to 140 6 9 to 9 7 120 to 150 8 3 to 10 3 1 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 Denotes capacities limited by boost 26 Bulletin 1 1 MR95 Table 23 Water Capacities in GPM L min for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Type MR95HP A Diaphragm Regulator REGULATOR BODY SIZE IN DN 1 4 1 2115 3 4 20 1 25 RECOMMENDED OUTLET DIFFERENTIAL PRESSURE RANGE psig psi bar Outlet Droop Droop Droop Droop Differential Setting 10 10 20 esse se ora su ora ora oa oa or e om er 15 to 100 1 0 to 6 9 75 5 2 80 to 300 5 5 to 20 7 80 to 400 5 5 to 27 6 Type MR95HP Only 1 To obtain capacities for regulators with metal diaphragms or for Type MR95HT multiply the table values by 0 6 Capacity data for 1000 psig 69 0 bar inlet is not applicable for Type MR95HT Type MR95HT max inlet 600 psig 41 4 bar 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 Capacities not tested due to cavitation regime 27 Bulletin 1 1 MR95 Table 24 Water 1 2 L min for 1 1 2 through 2 in DN 40 through 50 Type MR95HP Elastomer Diaphragm Regulator REGULATOR BODY SIZE IN DN RECOMMENDED OUTLET Ou
7. body sizes 17 4 PH Stainless steel Spring 15 to 100 psig 1 0 to 6 9 bar Unpainted 60 to 300 psig 4 1 to 20 7 bar Unpainted Replacement Parts Kit Optional Yes send one replacement parts kit to match this order continued 2 Only available with Stainless steel seat orifice valve plug valve plug guide and stem stem guide 3 Available for 3 4 and 1 in DN 20 and 25 body sizes only Monel and Inconel are marks owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc 31 Bulletin 1 1 MR95 Ordering Guide continued Specification Worksheet Application Specific Use Line Size Fluid Type and Specific Gravity Fluid Temperature Does the Application Require Overpressure Protection Yes L No If yes which is preferred Relief Valve 1 Monitor Regulator L Shutoff Device Is overpressure protection equipment selection assistance desired Pressure Maximum Inlet Pressure P4max Minimum Inlet Pressure P4min Downstream Pressure Setting s P2 Regulators Quick Order Guide Maximum Flow Qmax Readily Available for Shipment Performance Required Allow Additional Time for Shipment Accuracy Requirements Special Order Constructed from Non Stocked Parts Need for Extremely Fast Response Consult your local Sales Office for Availabilit l ii Other Requirements Availability of the product being ordered is determined by the component with the lo
8. 000 22 000 7200 13 000 21 000 16 000 26 000 7800 15 000 23 000 19 000 31 000 8400 16 000 25 000 21 000 36 000 9800 19 000 27 000 25 000 40 000 11 000 21 000 29 000 29 000 45 000 12 000 16 000 25 000 33 000 50 000 12 000 18 000 27 000 36 000 54 000 12 000 19 000 28 000 39 000 57 000 14 000 21 000 31 000 46 000 66 000 4500 9600 16 000 9700 17 000 5100 11 000 17 000 11 000 19 000 5700 12 000 19 000 13 000 21 000 6000 13 000 20 000 14 000 23 000 6400 14 000 22 000 15 000 25 000 7100 15 000 25 000 18 000 29 000 8900 17 000 27 000 22 000 36 000 10 000 19 000 29 000 26 000 41 000 11 000 20 000 30 000 30 000 46 000 15 000 27 000 38 000 40 000 65 000 80 to 300 5 5 to 20 7 80 to 400 9800 38 000 5 5 to 27 6 400 11 000 45 000 Type MR95HP Only 13 000 61 000 80 000 1 To obtain capacities for Type MR95HT metal diaphragm multiply the table values by 0 6 Capacity data for 1000 psig 69 0 bar inlet is not applicable for Type MR95HT Type MR95HT max inlet 600 psig 41 4 bar 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 17 Bulletin 1 1 MR95 Table 14 Air Capacities in SCFH Nm3 h for 1 1 2 through 2 in DN 40 through 50 Type MR95HP Elastomer Diaphragm Regulator REGULATOR BODY SIZE IN DN RECOMMENDED MU Outlet PRESSURE eh Po Droop RANGE 9 psig psi bar sorn mem sce wem em sce sm wm s
9. 25 OUTLET Outlet DIFFERENTIAL RANGE Setting psig psi bar 15 to 30 1 0 to 2 1 6000 4000 7100 5600 8500 7600 9900 9600 10 000 12 000 10 000 15 000 11 000 15 000 11 000 15 000 70 to 150 4 8 to 10 3 5400 8900 14 000 13 000 18 000 30 000 6500 10 000 16 000 16 000 25 000 36 000 7400 11 000 17 000 18 000 28 000 41 000 8200 12 000 17 000 19 000 31 000 47 000 10 000 13 000 18 000 23 000 40 000 37 000 58 000 2 5900 5500 i 6500 8500 8 8100 10 000 50 3 4 E 3 9500 14 000 i 11 000 18 000 12 000 18 000 25 to 75 12 000 17 000 1 7 to 5 2 1 To obtain capacities for Type MR95HT metal diaphragm multiply the table values by 0 6 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 For pressure drops lower than critical absolute outlet tables must be used to convert to capacities for regulators pressure greater than one half absolute inlet pressure using metal diaphragms use the sizing nomographs in the Fisher Sizing Program To determine flow capacity for liquid relief valve sizing refer to the Fisher Sizing Program using the Cy coefficients given Water Capacities in Table 5 The Km values listed in Table 5 can be used to T predict choked flow on liquid service All water capacities in Tables 20 21 22 23 and 24 are in gallons per minute GPM Capacities in Tables 20 21 and To convert capacities to m3 h multiply GPM by 0 2271
10. 44 30 20 1 Stainless stee 600 414 39 30 27 1 2to1in CF3M Stainless steel 600 414 ee NT DN15025 Mon 6 amp 0 444 HeselyPoe 60 44 AumimumBronz 60 44 414 30 20 414 30 207 414 L 30 27 A E 414 Ba usai sas ss maru mas 414 30 207 x HatelysC 0 44 2 j AumiumBrnme 60 44 o 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded 2 The pressure limits given are based on the body size and body materials only Actual pressure limits of the assembled regulator may decrease and vary depending on the temperature body end connection diaphragm seat and or trim material of the regulator 3 See Tables 1 and 2 for all available body sizes 4 Not available for 1 4 NPT body size Table 5 Flow and Sizing Coefficients for all MR95 Series Regulators BODY SIZE IEC SIZING COEFFICIENTS Km Fi Table 6 Relief Sizing Coefficients for MR95 Series Regulators with Reduced Flow Orifices BODY SIZE WIDE OPEN COEFFICIENTS FOR WIDE OPEN COEFFICIENTS FOR MR95 SERIES REDUCED FLOW OPTION LEGACY 95 SERIES 1 The reduced flow orifice option offers similar flow capacity as the equivalent 95 series configuration Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mar
11. 5 40 RF 1 in DN 25 Welded CL 150 RF With Control Line but Without Gauge Port Welded CL300 RF Welded PN 16 25 40 RF wr NU _ Welded CL 150 RF With Gauge Port but Without Control Line Welded CL300 RF Welded PN 16 25 40 RF n om 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 Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc Bulletin 1 1 MR95 Table 2 Types MR95H MR95HD MR95HT and MR95HP Regulators Body Constructions BODY MATERIAL BODY BODY SIZE CONSTRUCTION END CONNECTION LCC or WCC Steel or Hastelloy9 lt d m o gt o d o 2 d o gt LL o E g 3 m E S E 3 LL lt O x wV4ANPT Without Gauge Port and Control Line v NNNM _ SWE le WeldegclisoRF Wwedeaci3oREF Without Control Line and Gauge Port mM hegacLtsoRE Wegaci3oRE hegacteoRE x WegalPN162540RF wv X weddcusoR With Control Line but Without Gauge Port wedac3oR L 1 weddcteoR WededPN1625960RPF r Sw j IMS Without Gauge Port and Contro
12. Bulletin 1 1 MR95 December 2014 MR95 Series Industrial Pressure Regulators TYPE MR95H PRESSURE REDUCING REGULATORS Figure 1 Typical MR95 Series Industrial Pressure Regulators EMERSON Process Management D103742X012 Bulletin 1 1 MR95 Specifications This section lists the specifications for the MR95 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 MR95L Low pressure regulator for 2 to 30 psig 0 14 to 2 1 bar outlet pressures Type MR95H High pressure regulator for 5 to 150 psig 0 34 to 10 3 bar outlet pressures Type MR95HP High pressure regulator for 15 to 400 psig 1 0 to 27 6 bar outlet pressures soft seated Type MR95HT High pressure high temperature regulator for 15 to 300 psig 1 0 to 20 7 bar outlet pressures metal seat and up to 650 F 343 C Type MR95LD Low pressure differential regulator for 2 to 30 psi 0 14 to 2 1 bar differential pressures with handwheel and packing box Type MR95HD High pressure differential regulator for 5 to 150 psi 0 34 to 10 3 bar differential pressures with handwheel and packing box Body and Orifice Sizes 1 4 NPT body 0 284 in 7 22 mm orifice 1 2 in DN 15 body 0 416 in 10 56 mm orifice 3 4 and 1 in DN 20 and 25
13. CL600 RF Stainless steel L NPT O SWE Welded CL 150 RF L Welded CL300 RF 1 Available in threaded NPT end connection only 2 Integral flanges are available for MR95H Series only 3 Gray cast iron spring case not available for Types MR95LD and MR95HD Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc 30 Review the description to the right of each specification and the information in each referenced table or figure Specify your choice whenever a selection is offered Body Material and End Connection Style 2 See Tables 1 and 2 Select One continued Stainless steel continued Welded CL600 RF Welded PN 16 25 40 RF L Integral CL150 RF Integral CL300 RF Integral CL600 RF L Integral PN 16 25 40 RF Hastelloy C L NPT Integral CL150 RF Integral CL300 RF Integral CL600 RF L Integral PN 16 25 40 RF Monel9 L NPT Integral CL150 RF Integral CL300 RF Integral CL600 RF L Integral PN 16 25 40 RF Aluminum Bronze Integral CL150 RF Integral CL300 RF Integral CL600 RF L Integral PN 16 25 40 RF Spring Case Material Select One Gray cast iron standard for gray cast iron bodies 3 WCC Steel standard for steel or Stainless steel bodies O LCC Steel CF8M Stainless steel optional for Stainless steel bodies Hastelloy9 C O Monel9 Trim Ma
14. Refer to this for complete installation operation and maintenance instructions Included is a complete list of individual parts and recommended spare parts Universal NACE Compliance Optional materials are available for applications handling sour gases These constructions comply with the recommendations of NACE International sour service standards The manufacturing processes and materials used by Emerson assure that all products specified for sour gas service comply with the chemical physical and metallurgical requirements of NACE MR0175 ISO 2002 and or NACE MR0103 Optional materials are available to meet ANSI NACE MRO0175 ISO 15156 please contact your local Sales Office for special ordering instructions Customers have the responsibility to specify correct materials Environmental limitations may apply and shall be determined by the user Capacity Data The capacity information on the following pages is based on three droop factors 1096 20 and 40 Droop is deviation from the setpoint of the regulator and is usually stated in percentage of setpoint value For highest capacity and the most accurate control within a particular type of the MR95 Series regulators use the lowest range spring that can be adjusted to the desired setpoint see Table 3 for part numbers of appropriate springs for each body size If closer control is necessary a regulator of larger capacity or different design should be selected so that the necessa
15. SURE esa A DIAPHRAGM PRESSURE A SPRING SETTING PRESSURE B PITOT TUBE PRESSURE B OUTLET PRESSURE ORIFICE VALVE PLUG FRONT AND INTERNAL VIEW OF TYPE MR95HD WITH INTERNAL PRESSURE REGISTRATION SPRING METAL DIAPHRAGMS d TYPE MR95H WITH 2 METAL DIAPHRAGMS ALSO TYPICAL OF TYPES MR95HT AND MR95L EXCEPT FOR TYPE MR95L WITH 1 4 NPT BODY SIZE 2 to 6 psi 0 14 to 0 41 bar RANGE INLET PRESSURE C OUTLET PRESSURE LOADING PRESSURE Bulletin 71 1 MR95 CONTROL LINE TAP BACK VIEW OF TYPE MR95HD WITH EXTERNAL PRESSURE REGISTRATION SPRING METAL DIAPHRAGM TYPE MR95L 1 4 NPT 2 to 6 psi 0 14 to 0 41 bar RANGE WITH METAL DIAPHRAGM PRESSURE A MAY BE SUPPLIED BY ANOTHER PRESSURE SYSTEM OR A MANUAL LOADING REGULATOR Figure 2 MR95 Series Operational Schematics continued Bulletin 1 1 MR95 Table 1 Types MR95L and MR95LD Regulators Body Constructions BODY SIZE BODY CONSTRUCTION END CONNECTION 1 4 NPT Without Control Line and Gauge Port Without Control Line and Gauge Port With Control Line but Without Gauge Port N E N E BODY MATERIAL o gt du I Sem Gray Cast Iron Welded PN 16 25 40 RF P PT W P Without Control Line and Gauge Port With Control Line but Without Gauge Port With Gauge Port but Without Control Line PT W P Welded PN 16 25 40 RF oa Without Control Line and Gauge Port Welded CL150 RF Welded CL300 RF Welded PN 16 2
16. Zinc plated steel ERAA01888A0 13 to 30 0 90 to 2 1 0 207 49 2 Powder coated steel ERAA01889A0 Rd nz 01410041 0207 ERCA04288A0 15 1 2 0341010 0234 Powder coated steel ERAAO1910A0 MR95L 13 to 30 0 90 to 2 1 0 283 Powder coated steel ERAA01911A0 x Red o and MR95LD 0 14 to 0 41 0 306 7 77 400 102 Powder coated steel 1E398927022 3 4 0 34 to 1 0 0 343 871 400 102 Powder coated steel 1E399027142 and 1 es 25 13 to 30 0 90 to 2 1 0 406 10 31 400 102 Powder coated steel 1E399127162 Rd 0 14 to 0 41 0 306 KAENI Powder coated Stainless steel 1E3989X0052 ae 0341010 0 375 1762537022 and 1 NS 25 151030 101021 0448 Zinc plated ste 1E392527022 1 4 25 to 75 1 7 to 5 2 0 170 Zinc plated steel ERAA01888A0 700150 4810103 0207 Powder coated stes ERO Red 15 to 30 1 0 to 2 1 0 207 Powder coated steel ERCA04288A0 1 2 15 25 to 75 1 7 to 5 2 0 234 Powder coated steel ERAA01910A0 70 to 150 4 8 to 10 3 0 283 Powder coated steel ERAA01911A0 15 to 30 1 0 to 2 1 0 306 Powder coated steel 1E398927022 1 25 to 75 1 7 to 5 2 0 343 Powder coated steel 1E399027142 and 1 ES 25 70 to 150 4 8 to 10 3 0 406 10 31 Powder coated steel 1E399127162 Rd o 15 to 30 1 0 to 2 1 0 306 Powder coated Stainless steel 1E3989X0052 and 1 25 70 to 150 4 810103 4 810103 to 10 3 0 437 MU 400 00 kA o Stainless steel steel 1148269012 Unpainted 51080 0 34to5 5 0 500 Powder coate
17. ainless steel 316 Stainless steel Monel or Hastelloy9 C Metal Seat Monel 1 Hastelloy9 Fluorocarbon FKM 2 Ethylenepropylene EPDM 2 or PTFE protector available with Neoprene CR and Fluorocarbon FKM 2 diaphragm 1 Two Diaphragms are used for metal diaphragm except Types MR95L and MR95LD 1 4 NPT Body range 2 to 6 psig 0 14 to 0 41 bar 2 Two Diaphragms are used Diaphragm 302 Stainless steel 1 Inconel is a mark owned by Special Metals Corporation Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc 11 Bulletin 1 1 MR95 Table 9 Chemical Compatibility CORROSION INFORMATION o o o o Stainless Steel e e Q e e 316 Acetic Acid Air Free Acetic Acid Vapors Acetone Acetylene Alcohols Aluminum Sulfate Ammonia Ammonium Chloride Ammonium Nitrate Ammonium Sulfate Ammonium Sulfite Beer Benzene Benzol Benzoic Acid Boric Acid Butane Calcium Chloride Alkaline Carbon Dioxide Dry Carbon Dioxide Wet Carbon Disulfide Carbon Tetrachloride Carbonic Acid Chlorine Gas Dry Chlorine Gas Wet Chlorine Liquid Chromic Acid Citric Acid Coke Oven Gas Copper Sulfate Ether Ethyl Chloride Ethylene Ethylene Glycol Formaldehyde Formic Acid Freon Wet Freon Dry Gasoline Refined Glucose Hydrochloric Acid Aerated erem penne pem eme en erem pene pem em
18. bodies 0 631 in 16 02 mm orifice 1 1 2 and 2 in DN 40 and 50 bodies not available for Types MR95L and MR95LD 1 142 in 29 mm orifice End Connection Styles NPT SWE and Welded and Integral CL150 RF CL300 RF CL600 RF and PN 16 25 40 RF all sizes are fabricated with slip on flanges for welded end connections and are 14 in face to face EN flanged 356 mm face to face See Tables 1 and 2 Maximum Cold Working Pressures of Body Size and Material See Table 4 Outlet or Differential Pressure Ranges See Table 3 Maximum Temperature Ranges of Diaphragm and Seat Materials 1 2 TEMPERATURE RANGE 40 to 180 F 40 to 82 40 to 180 F 40 to 82 to 300 F 18 to 149 C 20 to 275 F 7 to 135 C to 425 F 18 to 218 C 40 to 400 F 40 to 204 C 40 to 650 F 40 to 343 MATERIAL Nitrile NBR Neoprene CR Fluorocarbon FKM 3 Ethylenepropylene EPDM Perfluoroelastomer FFKM Polytetrafluoroethylene PTFE Stainless steel SST 4 Meets API 614 requirements with Stainless steel trim Maximum Temperature Ranges of Body Materials 1 2 BODY AND SPRING CASE MATERIALS TEMPERATURE RANGE Gray Cast Iron 20 to 406 F 29 to 208 C WCC steel 4 20 to 650 F 29 to 343 C LCC steel 4 40 to 650 F 40 to 343 C Stainless steel 4 40 to 550 F 40 to 288 C Monel 40 to 550 F 40 to 288 C Hastelloy C 40 to 550 F 40 to 288 C Alumi
19. cr 38 000 48 000 63 000 15 to 100 80 000 1 0 to 6 9 97 000 130 000 150 000 50 97 000 92 000 160 000 97 000 92 000 180 000 180 000 97 000 92 000 180 000 180 000 98 000 92 000 180 000 180 000 100 000 92 000 180 000 180 000 68 000 130 000 43 000 85 000 150 000 76 000 140 000 49 000 100 000 170 000 94 000 170 000 62 000 150 000 220 000 60 to 260 110 000 190 000 72 000 180 000 250 000 4 1 to 17 9 120 000 210 000 80 000 210 000 270 000 130 000 230 000 88 000 230 000 300 000 140 000 250 000 95 000 250 000 320 000 170 000 280 000 110 000 290 000 360 000 230 000 290 000 140 000 350 000 370 000 110 000 130 000 130 000 150 000 170 000 190 000 200 000 210 000 260 000 75 000 89 000 60 to 300 100 000 4 1 to 20 7 110 000 Type MR95HP Only 120 000 130 000 190 000 1 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 D Denotes capacities limited by boost 18 Bulletin 1 1 MR95 Table 15 Steam Capacities for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Types MR95L and MR95LD Regulators with Metal REGULATOR BODY SIZE IN DN RECOMMENDED 1 4 NPT 1 2 15 3 4 20 1 25 OUTLET Outlet DIFFERENTIAL Differential PRESSURE RANGE Setting psig psi bar 2 to 6 5 0 14 to 0 41 10 5 to 15 E Mm NUNC NUM NR Pac s 0 34 to 1 0 20 13 to 30 0 90 to 2 1 1 Capacities are based in Ibs h kg h o
20. d steel ERCA04290A0 Blac with Blue Stripe 40 and 50 1 1 2 and 2 1 For Types MR95LD and MR95HD regulators the pressure ranges indicate the differential pressure that can be obtained with the indicated spring The differential pressure spring setting is added to the spring case loading pressure to determine the actual outlet pressure 2 Springs meet NACE 175 2002 NACE MRO0103 requirements only for applications in which the spring is not exposed to the sour gas Inconel is a mark owned by Special Metals Corporation Bulletin 1 1 MR95 Table 4 Maximum Cold Working Pressures of Body Size and Material 2 MAXIMUM SPRING CASE MAXIMUM INLET PRE RE MAXIMUM OUTLET PRE RE TYPE BODY SIZE BODY MATERIAL eae udi SEM PRESSURE psg br pig br Pig br wese _ 30 20 15 a 15 sse 30 2 15 a 15 s MR95L and MROSLD All available sizes CFBMStamessstee 300 207 15 86 15 89 CF3MStinessstee 300 27 15 86 s 86 Monet O 30 27 j 15 s Hsec 30 15 s s MROSH and available sizes MR9SHD WCCSee 100 69 6 44 3 227 LCCSe 100 69 6 44 36 27 _ cHMSunemsed m ss wo r _ MR95HP All available sizes 1000 68 9 1000 68 9 1000 68 9 30 207 1000 68 9 a 41 4 wt se 3900 CCSe 60 44
21. en en Acetone Alcohol Ethyl Alcohol Methyl Ammonia Anhydrous Ammonia Gas Hot Benzene Brine Calcium Chloride Butadiene Gas Butane Gas Butane Liquid Carbon Tetrachloride Chlorine Dry Chlorine Wet Coke Oven Gas Ethyl Acetate Ethylene Glycol Freon 11 Freon 12 0 00000U0 0U 0m 77 U0 00000 70 000 0 A Best possible selection A Recommended B Minor to moderate effect Proceed with caution C Unsatisfactory I L Information lacking Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc 12 Stainless Steel 416 O rr o u 2 2 5 5U0 ooo o gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt A A A A A A A A A A A A A A A A A A A A A A A B A A A A A A A A I L A A A A A A B FLUID INFORMATION Neoprene Nitrile Fluorocarbon CR NBR FKM C B B A Acetic Acid 30 QUO U0000000 50U 5P7r Neoprene Nitrile Fluorocarbon CR NBR FKM C C o o o m o Stainless Steel Stainless Steel e e e e 316 416 Hydrochloric Acid Air free Hydrogen Hydrogen Peroxide Hydrogen Sulfide Liquid Magnesium Hydroxide Methanol Methyl Ethyl Ketone Natural Gas Nitric Acid Petroleum Oils Ref
22. f saturated steam 19 Bulletin 1 1 MR95 Table 16 Steam Capacities for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Types MR95H and MR95HD Regulators with Metal Diaphragm PRESSURE REGULATOR BODY SIZE IN DN OUTLET Outlet 1 4 NPT 1 2 15 3 4 20 1 25 PRESSURE Belin psig psi bar LAGE Ib h kg h Ib h kg h Ib h kg h Ib h kg h Ib h kg h Ib h kg h Ib h kg h Ib h kg h 15 to 30 1 0 to 2 1 3 4 25 to 75 1 7 to 5 2 70 to 150 4 8 to 10 3 1 Capacities are based in Ibs h kg h of saturated steam 20 Bulletin 1 1 MR95 Table 17 Steam Capacities for 1 1 2 through 2 in DN 40 through 50 Types MR95H and MR95HD Regulators with Metal REGULATOR BODY SIZE IN DN 1 140 2150 Outlet RECOMMENDED Ts OUTLET DIFFERENTIAL PRESSURE ais i s ss Dus i I 30 2 1 100 Differential prop Droop Setting 5 to 80 0 34 to 5 5 60 to 120 4 1 to 8 3 100 to 140 6 9 to 9 7 129 120 to 150 8 3 to 10 3 1 Capacities are based in Ibs h kg h of saturated steam 150 21 Bulletin 1 1 MR95 Table 18 Steam Capacities for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Type MR95HT Regulators with Metal REGULATOR BODY SIZE IN DN B NPT 1 2115 3 4 20 1 25 Outlet REcommennep PRESSURE OUTLET DIFFERENTIAL Ee n s
23. ications continued Main Valve Construction Materials See Table 8 Trim Materials See Table 7 Product Dimension See Figure 3 Common Services and Material Compatibility See Table 9 Introduction The MR95 Series regulators are compact large capacity direct operated pressure regulators see Figure 1 The units are available in 1 4 NPT through 2 in DN 50 sizes and are offered in several different end connection configurations They are designed to handle pressures up to 1000 psig 68 9 bar and temperatures up to 650 343 C These products can help solve the toughest pressure control applications Typical applications include superheated steam steam injection steam tracing nitrogen purging boiler feed water process chemicals cooling water test fixtures wash tanks sterilizers autoclaves fuel lines pneumatic supply and many others Features Handwheels Tee Handles Allow easy pressure setting changes and are standard on Types MR95LD and MR95HD and optional on the Types MR95L MR95H MR95HP and MR95HT regulators Versatile Can be used with all process media including air steam gas water liquids oils and process chemicals and oxygen Tight Shutoff With Elastomer Seats Metal seats available for high temperatures Direct Operated Design maximizes speed of response Robust Up to 1000 psig 68 9 bar inlet pressure e P4 P2 Inlet equals outlet rating in Types MR95H and MR95HD up t
24. ined Phosphoric Acid Air Free Phosphoric Acid Vapors Potassium Chloride Potassium Hydroxide Propane Silver Nitrate Sodium Acetate Sodium Carbonate Sodium Chloride Sodium Chromate Sodium Hydroxide Stearic Acid Sulfur Sulfur Dioxide Dry Sulfur Trioxide Dry Sulfuric Acid Aerated Sulfuric Acid Air Free Sulfurous Acid Trichloroethylene Water Boiler Feed Water Distilled Water Sea Zinc Chloride Zinc Sulfate De ERE Lem Lope ee a C ss ee eo LEER BB Doe Cope emm oe Freon 22 Freon 114 Gasoline Hydrogen Gas Hydrogen Sulfide Dry Hydrogen Sulfide Wet Jet Fuel JP 4 Natural Gas Natural Gas H2S Sour Gas Nitric Acid 1096 Nitric Acid 50 to 10096 Nitrogen Oil Fuel Propane Sea Water Sulfur Dioxide Sulfuric Acid to 5096 Sulfuric Acid 50 to 100 Water Ambient Water at 200 F 93 C m gt 2 O O0U 0 0 00 0 00 27 0O 000 7 0007 00 27 0U 5 5 0 00 Um U0U 00 0000rm 0 Installation The MR95 Series regulators may be installed in any position as long as flow will be in the same direction as that indicated by the body arrow The Types MR95H MR95L MR95HT and MR95HP regulators should be installed so that their spring case vents are protected from anything that might clog them Emerson Process Management Regulator Technologies Inc Emerson provides an instruction manual with every regulator shipped
25. ities for other gases multiply the table capacities by the following appropriate conversion factors 1 29 for 0 6 specific gravity natural gas 0 808 for propane 0 707 for butane or 1 018 for nitrogen For gases of other specific gravities divide by the square root of the appropriate specific gravity Then if capacity is desired in Nm h at 0 C and 1 01325 bar multiply SCFH by 0 0268 Capacities in Tables 10 11 12 13 and 14 are for regulators using elastomer diaphragms Depending on regulator construction a multiplier must be used to convert to capacities for regulators using metal diaphragms Bulletin 1 1 MR95 Table 10 Air Capacities in SCFH Nm3 h for 1 4 NPT and 1 2 through 1 in DN 15 through 25 Types MR95L and MR95LD Regulators with Elastomer Diaphragm RECOMMENDED REGULATOR BODY SIZE IN DN OUTLET Outlet 1 4 NPT 1 2 115 3 4 20 1 25 DIFFERENTIAL 2to6 0 14 to 0 41 5 to 15 0 34 to 1 0 13 to 30 0 90 to 2 1 1 To obtain capacities for regulators using metal diaphragms multiply the table values by 0 8 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 To determine wide open flow capacity for relief valve sizing of air Steam Capacities at a temperature of 60 F use the equation for critical pressure drops absolute outlet pressure equal to one half or less than Capacities in Tables 15 16 17 18 and 19 are in Ibs h one half the absolu
26. k owned by Haynes International Inc 10 Bulletin 1 1 MR95 Table 7 MR95 Series Trim Materials TRIM ORIFICE STEM NUMBER SEAT VALVE PLUG VALVE PLUG GUIDE STEM GUIDE VALVE SPRING 2 Nite ver 416 Sinise steel 302 Stainless stool s Nes Stamess ster 16 Stainless steel 916 Stainiess steel 902 Stainless stee cee 1 Alloy 6 is not available for 1 4 NPT body 2 1 4 NPT has brass orifice and 316 Stainless steel valve plug 3 1 1 2 and 2 in DN 40 and 50 bodies have 416 Stainless steel valve plug guide Table 8 MR95 Series Construction Materials MAIN VALVE MATERIAL Spring Case Regulator Spring Gray Cast Iron Gray Cast Iron 1 LCC WCC Steel LCC WCC Steel Steel standard CF8M CF3M Stainless steel CF8M Stainless steel Inconel Hastelloy C Hastellov C 302 Stainless steel Monel y 17 4 PH Stainless steel Monel Aluminum Bronze 1 Gray cast iron spring case is not available for Types MR95LD and MR95HD TRIM MATERIAL Elastomer Seat 302 Stainless steel Fluorocarbon FKM O Ethylenepropylene EPDM 2 Monel Hastelloy C or PTFE protector available with Neoprene CR and Fluorocarbon FKM 2 diaphragm Fluorocarbon FKM Polytetrafluoroethylene PTFE Ethylenepropylene EPDM or Perfluoroelastomer FFKM 316 Stainless steel Monel or Hastelloy9 C Valve Plug Guide 316 Stainless steel or Hastelloy C Stem Assembly 416 St
27. l Line 0 Welded PN torzsm4oRF o 3 4 in DN 20 MA With Control Line but Without Gauge Port Wededcl30RF j WededPNie2seoRE vr MEM 1 2 in DN 15 With Gauge Port but Without Control Line s a Welded PN 16 25 60RF NAM NPT _ E SWE WeidedCLiSoRF wewedcionr 1 in DN 25 Without Gauge Port and Control Line mma mI megacionr megacioonr Bas megacioon EMEN 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 Gray cast iron body material is available for Types MR95H and MR95HD only continued Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc Bulletin 1 1 MR95 Table 2 Types MR95H MR95HD MR95HT and MR95HP Regulators Body Constructions continued BODY MATERIAL ES BODY BODY SIZE CONSTRUCTION END CONNECTION x g o O o 2 S o LL o xl Wedd CLR With Control Line but Without Gauge Port x weas O opu WedesPNTODS4ORE wr With Gauge Port but Without Control Line BEES wean ol jamuna SWE Without Gauge Port and Control Line BEEN P
28. mm m mm m mm im mm im mm 275 ee zr es 200 se wes wer L 366 ez TYPES MR95H MR95HT AND MR95HP Tee Handle TYPE MR95LD J mm m m m mm m mm m m mm mm m mm TYPE MR95HD MIN 29 Bulletin 1 1 MR95 Ordering Information When ordering complete the ordering guide on this page Refer to the Specifications section on pages 2 and 3 Ordering Guide Type Select One L1 MR95L Low pressure MR95LD Low pressure differential MR95H High pressure MR95HD High pressure differential must be Steel or Stainless steel construction MR95HP High pressure soft seated MR95HT High pressure temperature must be Steel or Stainless steel construction Body Size Select One 1 4 1 2 in DN 15 O 3 4 in DN 20 1 in DN 25 1 1 2 in DN 40 not available for MR95L Series 2 in DN 50 not available for MR95L Series Body Material and End Connection Style 2 See Tables 1 and 2 Select One Gray Cast Iron L NPT WCC Steel L NPT L SWE Welded CL 150 RF Welded CL300 RF Welded CL600 RF Welded PN 16 25 40 RF LCC Steel L NPT L SWE Welded CL 150 RF Welded CL300 RF Welded CL600 RF Welded PN 16 25 40 RF CF8M Stainless steel L NPT L SWE Welded CL 150 RF Welded CL300 RF Welded
29. ngest shipping time for the requested construction Industrial Regulators 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 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 Natural Gas Technologies TESCOM 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 Emerson Process Management Tescom Corporation USA Headquarters EIk 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 Tel 971 4811 8100 Middle East and Africa The distinctive diamond shape cast into every Dubai United Arab Emirates spring case uniquely identifies the regulator Tel 971 4811 8100 as part of the Fisher brand and assures you of the highest quality engineering durability performance and support For further information visit www fisherregulators com The Emerson logo is a trademark and service mark of Emerson Electric Co All
30. num Bronze 40 to 500 F 40 to 260 C Spring Case Construction Drilled Untapped Hole Standard for Types MR95L MR95H MR95HP and MR95HT 1 4 NPT Vent Standard for Types MR95LD and MR95HD Optional for Types MR95L MR95H MR95HP and MR95HT Pressure Setting Adjustment Adjusting screw Standard for Types MR95L MR95H MR95HP and MR95HT only Handwheel Standard for Types MR95LD and MR95HD Optional for 1 2 in DN 15 body size of Types MR95L MR95H MR95HP and MR95HT Tee handle Optional for other body sizes except 1 2 in DN 15 of Types MR95L MR95H MR95HP and MR95HT Pressure Registration Internal or External Typical Regulating Capacities Air See Tables 10 11 12 13 and 14 Steam See Tables 15 16 17 18 and 19 Water See Tables 20 21 22 23 and 24 Shutoff Classification Per ANSI FCI 70 3 2004 Metal Seats Class IV Elastomer Seats Class VI or better PTFE Class IV Flow and Sizing Coefficients See Table 5 Relief Sizing Coefficients for MR95 Series Regulators with Reduced Flow Orifices See Table 6 1 The pressure temperature limits in this Bulletin and any applicable standard or code limitation for this regulator should not be exceeded 2 Pressures and or the body end connection may decrease these maximum temperatures 3 Fluorocarbon FKM is limited to 200 F 93 C hot water continued Monel is a mark owned by Special Metals Corporation Hastelloy9 C is a mark owned by Haynes International Inc 2 Specif
31. o 300 psig 20 7 bar Rugged Construction Available in a variety of body and spring case materials to address the toughest service conditions Severe service elastomers and corrosion resistant trims are also available and provide excellent fluid compatibility Bulletin 1 1 MR95 Approximate Weights MR95H Series 1 4 NPT body 5 Ibs 2 3 kg 1 2 in DN 15 body 10 lbs 4 5 kg 3 4 and 1 in DN 20 and 25 bodies 22 lbs 10 kg 1 1 2 and 2 in DN 40 and 50 bodies 55 Ibs 25 kg MR95L Series 1 4 NPT body 7 Ibs 3 2 kg 1 2 in DN 15 body 15 lbs 6 8 kg 3 4 and 1 in DN 20 and 25 bodies 35 lbs 16 kg Differential Pressure Capability Spring loaded Polytetrafluoroethylene PTFE packing and tapped connections permit pressure loading of the Types MR95LD and MR95HD spring cases Special Service Capabilities Optional materials are available for applications handling sour gases cryogenics and superheated steam Large Turndown Ratio No need for low C trims at low flows Graphite Gaskets For high temperature applications up to 650 F 343 C optional Set Pressures up to 400 psig 27 6 bar Multiple End Connection Options To match your application Easy Maintenance Seating parts are easily accessible by removing the plug on the bottom of the regulator 614 Compliant Steel and Stainless steel constructions meet API 614 requirements Principle of Operation The MR95 Serie
32. 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 are 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 m es EMERSON Emerson Process Management Regulator Technologies Inc 2013 2014 All Rights Reserved
33. ry flow can be obtained with a smaller droop factor Sometimes it may be necessary to interpolate the capacity table data to determine capacity for outlet settings not given To maintain accuracy it is important when interpolating to stay within a spring range if possible The following is a procedure for interpolating the data to calculate flow 1 Determine which spring is to be used 2 Find the two outlet settings Poa and P2b that bracket the actual outlet pressure P2 For a given body size and inlet pressure find the capacity Qa for P2a and Qb for P2b Bulletin 1 1 MR95 4 Use the following formula to determine the interpolated capacity Q Qb Qa Pob Poa Qb Q Pob Po Example P4 100 psig 6 9 bar 1 4 NPT Type MR95H with 15 to 30 psig 1 0 to 2 1 bar spring range P2 20 psig 1 4 bar Determine air capacity Q Solution Qa 1100 28 8 Nm h Poa 15 psig 1 0 bar Qb 1700 SCFH 46 5 Nm3 h Pob 30 psig 2 1 bar 1700 1100 1700 Q 30 15 30 20 1300 SCFH 46 5 28 8 46 5 Q 2 1 1 0 2 1 1 4 Q 35 Nm h Note The same interpolation procedure can be used for different inlet pressures Contact your local Sales Office if you should have any questions about selecting the proper regulator Air Capacities Regulating capacities at selected pressures and outlet pressure flows are given in SCFH 60 F and 14 7 psia of air To determine the equivalent capac
34. s refer to Figure 2 is a direct operated regulator Downstream pressure is registered internally or externally through a control line to the under side of the diaphragm When the downstream pressure is at or above the set pressure the disk is held against the orifice restricting fluid flow through the regulator When demand increases downstream pressure drops slightly allowing the spring to extend moving the stem down and the disk away from the orifice This allows fluid flow through the body to the downstream system Types MR95H MR95L MR95HP and MR95HT use spring force to regulate outlet pressure Types MR95HD and MR95LD use spring force to maintain a differential pressure between spring case loading pressure and outlet pressure Bulletin 1 1 MR95 ADJUSTING SCREW CONTROL SPRING DIAPHRAGM PITOT TUBE STEM ORIFICE VALVE PLUG FRONT AND INTERNAL VIEW OF TYPE MR95H WITH INTERNAL PRESSURE REGISTRATION CONTROL LINE TAP BACK VIEW OF SIDE AND INTERNAL VIEW OF 1 2 IN DN 15 TYPE MR95H 3 4 TO 2 IN DN 20 TO 50 WITH EXTERNAL TYPE MR95H WITH EXTERNAL PRESSURE REGISTRATION PRESSURE REGISTRATION ALSO TYPICAL OF TYPE MR95L 1 2 TO 2 IN DN 15 TO 50 BODIES EE INLET PRESSURE GSS OUTLET PRESSURE ATMOSPHERIC PRESSURE Figure 2 MR95 Series Operational Schematics HANDWHEEL wu fe ee ee Kuwu ww Fun Hina a PRESSURE A SPRING CASE LOADING CONTROL SPRING nS E M s w PRES
35. te inlet pressure of saturated steam To obtain capacities in kg h multiply the capacities given in the table by 0 4535 Capacities Q Pi abs Co have been calculated for stainless steel diaphragms only Where since steam service exceeds the elastomer diaphragm temperature limits Q Gasflow SCFH 60 F and 14 7 psia To determine wide open flow capacity for relief valve sizing P1 abs Absolute inlet pressure psia add 14 7 psi of steam use the equation for critical pressure drops to gauge inlet pressure to obtain absolute absolute outlet pressure equal to one half or less than one inlet pressure half absolute inlet pressure Cg Wide open gas sizing coefficient from P4 abs Cs Table 5 where For pressure drops lower than critical absolute outlet Q Steam flow Ibs h pressure greater than one half the absolute inlet pressure use the sizing nomographs in Fisher9 Catalog 10 or the P1 abs Absolute inlet pressure psia add 14 7 psi Fisher Sizing Program to gauge inlet pressure to obtain absolute FONS inlet pressure To obtain capacities in Nm3 h at 0 and 1 01325 bar multiply the capacity determined in SCFH by 0 0268 Cs red steam sizing coefficient from 14 Bulletin 1 1 MR95 Table 11 Air Capacities SCFH Nm3 h for 1 4 NPT and 1 2 through 1 DN 15 through 25 Types MR95H and MR95HD n with Elastomer Diaphragm REGULATOR BODY SIZE IN DN RECOMMENDED NPT 1 2115 3 4 20 1
36. terial See Table 7 Select One Metal Seat 416 Stainless steel O Trim 1 O Trim 2 Trim 22 316 Stainless steel O Trim 3 O Trim 23 Hastelloy9 C O Trim 5 continued Ordering Guide continued Trim Material See Table 7 Select One continued Metal Seat continued Monel O Trim 6 Alloy 6 1 O Trim 4 Trim 24 Elastomer Seat Nitrile NBR Trim 7 O Trim 8 Trim 9 O Trim 10 Trim 11 Fluorocarbon FKM O Trim 12 O Trim 13 O Trim 14 Trim 15 Perfluoroelastomer FFKM Trim 16 Polytetrafluoroethylene PTFE O Trim 17 Trim 18 O Trim 19 Ethylenepropylene EPDM Trim 20 Diaphragm Select One Neoprene CR LI Fluorocarbon FKM Ethylenepropylene EPDM O Monel Hastelloy9 C 302 Stainless steel 302 Stainless steel Steam Service 2 Outlet or Differential Pressure Range Select One Type MR95L or MR95LD Steel Spring 2 to 6 psig psi 0 14 to 0 41 bar Yellow 5 to 15 psig psi 0 34 to 1 0 bar Green 13 to 30 psig psi 0 90 to 2 1 bar Red 302 Stainless steel Spring LI 2 to 6 psig psi 0 14 to 0 41 bar Yellow 5 to 15 psig psi 0 34 to 1 0 bar Unpainted 13 to 30 psig psi 0 90 to 2 1 bar Unpainted 1 Alloy 6 is not available for 1 4 in size Bulletin 1 1 MR95 Outlet or Differential Pressure Range Select One continued Type MR95H or MR95HD 1 4 NPT and 1 2 to 1 in DN 15 to 25 body sizes Steel Spring O 15 to 30 psig psi 1 0 to
37. tlet 1 1 2 40 2 50 PRESSURE Differentia ae PRESSURE ee RANGE g psig psi bar 15 to 100 1 0 to 6 9 60 to 260 4 1 to 17 9 60 to 300 4 1 to 20 7 Type MR95HP Only 1 To obtain capacities for Type MR95HT metal diaphragm multiply the table values by 0 6 Capacity data for 1000 psig 69 0 bar inlet is not applicable for Type MR95HT Type MR95HT max inlet 600 psig 41 4 bar 2 To obtain capacities for regulators with reduced flow orifices multiply the table values by 0 7 Denotes capacities limited by boost Capacities not tested due to cavitation regime 28 Bulletin 1 1 MR95 A A D D MAX X MAX MAX FLANGE Y Y n A B B Y Y x T IJ ww I 355 6 ERAA03807 ERAA03811 ERAA03809 TYPE MR95H DIMENSION ALSO APPLY TYPE MR95H FLANGED BODIES AVAILABLE IN 1 2 TO 2 IN TYPE MR95HD DIMENSIONS ALSO TO TYPES MR95L MR95HT AND MR95HP DN 15 TO 50 BODY SIZES DIMENSIONS ALSO APPLY APPLY TO TYPE MR95LD TO TYPES MR95L MR95HT AND MR95HP G E ERAA03808 ERAA03810 gt HANDLE DETAIL FOR SIZE TEE HANDLE DETAIL FOR ALL SIZES SWE DETAIL Ne 1 2 IN DN 15 ONLY EXCEPT 1 2 IN DN 15 lt 93 50 _ 88 9 812 Only when specified Figure 3 Dimensions Drawing Table 25 Dimensions TYPE MR95L gi BEN qu m D m m mm m mm m
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