Emerson MR98 Data Sheet
Contents
1. sa f ro ome ome oo sm sem L 52 1800 7or 2600 v o 3600 15 aso 2080 11 7 1 1 2 and 2 40 and 50 us es 2700 1210 4000 150 sooo 2250 co 2720 Le mz so 1510 sooo 2 e100 27e 79e 399 N o o 27 Bulletin 1 4 MR98 Table 15 Air Relief Capacities in SCFH Nm h Types MR98H and MR98HD with Elastomer Diaphragm RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar SETTING sig var SCH ww sorn wm seen ww scr nmm sce mm us es 190 51 2400 657 3300 ers 4500 122 5800 155 200 138 2500 666 s100 s22 3000 100 4800 120 5700 15 Ls 24 3700 se 000 132 6800 182 7800 209 8800 235 us 66 5200 140 eoo 185 9400 251 10000 s o 17 000 46 Lus es 1200 sw 15000 405 20000 se 26 000 708 33 000 ers NOMINAL SPRING RELIEF BODY PRESSURE RANGE SIZE o ose 3200 ss 16000 421 21000 se 2600 709 31 000 60 5 to 35 m 3 4 to 6 9 1 1 2 and 2 40 and 50 50 to 100 100 s 26000 ss 24000 sis 46 000 1240 65000 1680 79 000 2120 125 ss 25000 672 31000 830 40 000 1070 sso 1490 72000 192 75 to 170 continued 28 Bulletin 71 4 MR98 Table 15 Air Relief Capacities in SCFH Nm h Types MR98H and MR98HD with Elastomer Diaphragm continued2. Body Sizes and End Connection Styles See Tables 1 and 2 Main Valve Materials See Table 5 Trim Materials See Tables 4 and 5 Body and Orifice Sizes 1 4 NPT body 0 284 in 7 22 mm 1 2 in DN 15 body 0 416 in 10 56 mm 3 4 and 1 in DN 20 and 25 bodies 0 631 in 16 02 mm 1 1 2 and 2 in DN 40 and 50 bodies 1 142 in 29 mm Maximum Cold Working Pressures of Body Size and Material See Table 6 Maximum Inlet and Outlet Pressure Ratings See Table 6 Relief Pressure Ranges See Table 3 Maximum Spring Case Loading Pressure for Types MR98LD MR98HD and MR98HHD Spring Setting Plus Loading Pressure Type MR98LD Spring Case Gray Cast lron 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 Temperature Capabilities for Elastomer Parts VO MATERIAL Nitrile NBR TEMPERATURE RANGE 40 to 180 F 40 to 82 C 40 to 180 F 40 to 82 C 0 to 300 F 18 to 149 C Limited to 200 F 93 C for hot water 20 to 275 F 7 to 135 C 0 to 425 F 18 to 218 C Neoprene CR Fluorocarbon FKM 9 Ethylenepropylene EPDM Perfluoroelastomer FFKM 9 Polytetrafluoroethylene PTFE Diaphragm Protector 40 to 400 F 40 to 204 C Temperature Capabilities of Body Materials MATERIAL TEMPERATURE RANGE
3. CF8M Stainless steel optional for Stainless steel bodies Monel Hastelloy C Diaphragm O Neoprene CR standard for elastomer seat O 302 Stainless steel standard for metal seat O Fluorocarbon FKM O Ethylenepropylene EPDM Hastelloy C O Monel Trim Number See Table 4 Select One Trim 1 Trim 2 Trim 3 Trim 4 Trim 5 Trim 6 Trim 7 Trim 8 Trim 9 Trim 10 Trim 11 Relief Differential Relief Pressure Range Select One Type MR98L or MR98LD Steel 1 4 NPT to 1 in DN 25 Bodies O 2 to 7 psig psi 0 14 to 0 48 bar O 6 to 14 psig psi 0 41 to 0 97 bar O 12 to 25 psig psi 0 83 to 1 7 bar O 20 to 38 psig psi 1 4 to 2 6 bar Stainless steel 3 4 and 1 in DN 20 and 25 Bodies O 2 to 7 psig psi 0 14 to 0 48 bar O 6 to 14 psig psi 0 41 to 0 97 bar O 12 to 25 psig psi 0 83 to 1 7 bar Type MR98H or MR98HD Steel 1 4 NPT to 1 in DN 25 Bodies O 15 to 35 psig psi 1 0 to 2 4 bar O 25 to 75 psig psi 1 7 to 5 2 bar O 70 to 140 psig psi 4 8 to 9 7 bar O 130 to 200 psig psi 9 0 to 13 8 bar OO OO D D D D D D D D U EI U continued 39 Bulletin 1 4 MR98 Ordering Guide continued Relief Differential Relief Pressure Range Select One continued Type MR98H or MR98HD continued Steel continued 1 1 2 and 2 in DN 40 and 50 Bodies O 5 to 35 psig psi 0 34 to 2 4 bar 20 to 65 psig psi 1 4 to 4 5 bar O 50 to 100 psig psi 3 4 to 6 9 bar O 75 to 170 psig psi 5 2 to 11 7
4. Table 8 Water Relief Capacities in Gallons per Minute L min Types MR98L and MR98LD with Metal Diaphragm continued NOMINAL SPRING RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar RELIEF PRESSURE PRESSURE pid RANGE CODE SETTING 15 1 0 20 1 4 2511 7 30 2 1 sam EA Tas E C pie para pera peje pe as a er ass rs aja os er Ce pues me es Ls p ra fas ra per oe pe ooo Ce ea i s peel pes Ds Dre Ls reo pes pers pe a REE Lx opes ss e p oe fee oe fe fee ar e RCE ENTER L EK BE RE SE MEDE ME AEAEE eon pawos Gem 10 os z we x we w wi zem Des fr ow om we ow om x wo 12 to 25 0 83 to 1 7 3 4 and 1 20 and 25 m om om 3 m s ne wo De o o9 on o9 om ox oe e gt De o o we a e a oe e ua 15 Bulletin 1 4 MR98 Table 9 Steam Relief Capacities in Lbs per Hour kg h Types MR98L and MR98LD with Metal Diaphragm Only SPRING RELIEF RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar te PRESSURE RANGE COLOR PRESSURE BODY SIZE CODE SETTING 410 28 6 0 41 8 0 55 10 0 69 ont oe La ow ss 2 fo Jus o us 2 2to7 0 14 to 0 48 Yellow ee eee ru fio a ae ra om a ee a ma Po a aja e jajjaja jeje a wwe pers pw e pe e E A IE 2to 7 0 14 to 0 48 Yellow SOR e CO CA er CA eo vo ore mo fo eos osas cem w om 79 ma we a v se sw ose veo 7 ajo jeje jjaja as wp ar wo ass veo es um e 20
5. ss fes ree pes e eje me EE De fom e o o o wo 79 woo wa om wo 2to7 0 14 to 0 48 Yellow Ps em as ar fu tos too pee pump mm SRTR e o 3 4 and 1 20 and 25 Lm o om pes om ma m ome us m 15 continued 16 Bulletin 71 4 MR98 Table 9 Steam Relief Capacities in Lbs per Hour kg h Types MR98L and MR98LD with Metal Diaphragm Only continued SPRING RELIEF RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar te PRESSURE RANGE COLOR PRESSURE BODY SIZE CODE SETTING 15 1 0 2011 4 2511 7 30 2 1 In DN HE eso bar ien kom iem kom ish kom ie tai a e 9 es 2 we e us a 2to7 0 14 to 0 48 Yellow Se ee TT Ds pue om poe po oe po m pos D a rom pe To qom dom dom 9 RE 20 to 38 1 4 to 2 6 Blue 2to7 0 14 to 0 48 Yellow 53 6 w o D oji Es e LO O O Co Q w o NO _ A o q 20 to 38 1 4 to 2 6 Blue 175 ERE 128 4 187 2to7 0 14 to 0 48 Yellow rs pe e im om fam 10 3 4 and 1 e fria e ese e ra rir am one eo om rm se free fo or pem al e QW mte al N c e o 17 Bulletin 1 4 MR98 Table 10 Air Relief Capacities in SCFH Nm h Types MR98L and MR98LD with Elastomer Diaphragm NOMINAL SPRING RELIEF CE PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY PRESSURE RANGE COLOR SIZE CODE SETTING 4 0 28 6 0 41 8 0 55 10 0 69 2to 7 0 14 to 0 48 Yellow 2to 7
6. 136 AE WIE E E cscc li 251075 17t052 Green so 34 23 29 109 33 125 37 10 1 2 15 Lm es A po EI o IO IC o9 CT ss 9s a o a we e 14 Ls s e wr s 200 20 9 200 Lm ss n e 5 m 6 ms 7 m L9 5s o ow om 9 o o7 es gt 3 4 and 1 20 and 25 o oe we s 1 s 1 ss wo 99 5 to 35 1 1 2 and 2 40 and 50 m 3 4 to 6 9 50 to 100 ww ss mo ss mo 9 ze zs 20 95 Lus ss ro se ro 9 ze 9 29 on 75 to 170 25 Bulletin 1 4 MR98 Table 14 Steam Relief Capacities in Lbs per Hour kg h Types MR98H and MR98HD with Metal Diaphragm Only SPRING RELIEF NOMINAL PRESSURE RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE SETTING 5 0 34 710 48 10 0 69 1511 0 20114 oso se tem ion wem sum wem jam mem um wem Gm po fio fa rf usa as o aa fo Tas BODY SIZE Lx pups p pou o a e or NN 47 6 70 to 140 N A eo EXE EUM 395 43 CHE 5582 HE 9 EUM EIIPIIPII 4 8 to 9 7 400 592 Tes Tera m 15 10 160 CN 200 E 260 ws lere ue 390 15t035 10102 4 Yellow 25 Car AE AE ER EH 280 E D 450 204 EE E EM EM EM 0147 05 EM 5 2 1 7 to 5 2 Green 50 Nu 75 Em De Les ese as pos oer on poss e ss Lm or poe peo Lr I
7. 496 n 95 16 605 18 065 75 s2 72 z2 o 02 2 we 16 sa 20 743 meke oe rar we SEE SEES O E EZ ws se 72 a2 6 324 n 40 m sa v 007 1so 103 66 2 74 28 86 x5 n 416 13 907 200 138 73 276 82 311 es 363 12 45 u 997 75 52 16 586 19 rz 24 90 30 ms 36 185 ws 6 18 537 v ee 2 613 a 108 3 15 1 2 15 3 4 and 1 20 and 25 5 to 35 m uw e s we os zw e 9 9 om s 34 a 165 s 20 amp 254 s we no 397 Light gray 69 52 20 to 65 1 4 to 4 5 1 1 2 and 2 40 and 50 50 to 100 3 4 to 6 9 75 to 170 5 2 to 11 7 es a ws sa 206 e as s ws ro sos 100 Black continued 24 Bulletin 71 4 MR98 Table 13 Water Relief Capacities in Gallons per Minute L min Types MR98H and MR98HD with Metal Diaphragm continued NOMINAL SPRING RELIEF RELIEF PRESSURE BODY SIZE PRESSURERANGE Cope SEUING Mz psig bar GPM min GPM imin GPM imin GPM min 151035 101024 Yellow 251075 171052 Green ea 75 52 89 337 12 458 14 532 16 605 7000140 4 81097 too 60 84 3017 12 45 14 535 16 o es 86 85 323 12 462 15 554 17 647 13010200 9 010138 Blue 151035 101024 Yellow 35 24 29 8 14 32 10
8. Bulletin 1 4 MR98 Table 1 Types MR98L and MR98LD Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE or Hastelloy C c o d YN o gt i o 2 5 o 292 2 o0 olaglig oO DD U J EI E 6181 S Oljan gt O z zI S 0 0 c LL IL O Ojloj sz Without Control Line and Gauge Port Welded CL150 RF 1 2 in DN 15 Welded CL300 RF Welded PN 16 25 40 RF N With Control Line but Without Gauge Port ner O Doo mo EB we Without Control Line and Gauge Port Welded CL150 RF m Welded CL300 RF a Welded PN 16 25 40 RF E 3 4 in DN 20 With Control Line but Without Gauge Port nr O NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 40 RF m m a NPT E ES N m EN With Gauge Port but Without Control Line WE Welded CL 150 RF Welded CL300 RF Without Control Line and Gauge Port Welded PN 16 25 40 RF 1 in DN 25 With Control Line but Without Gauge Port NBT NT DS Welded CL150 RF m With Gauge Port but Without Control Line Welded CL300 RF m Welded PN 16 25 40 RF D N E 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 MR0175 2002 and NACE MR0103 Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by
9. NOMINAL SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar ud po 00765 15t035 1 01024 Yellow 95 6 4600 7000 189 251075 1 7to5 2 Green 126 5900 8300 223 7010140 48109 7 10 69 630 168 8200 2 11 000 291 Led 3 1 2 2 2 5 8 130 to 200 9 0 to 13 8 Blue 188 11 000 2 151035 1 0to2 4 Yellow 232 11 000 2 8 268 12 000 3 417 19 000 501 5 4 3 5 7 3 13 000 343 319 13 000 357 3 14 000 366 2 12000 331 16 000 429 208 14000 381 17 000 464 333 16000 417 495 251075 1 71052 Green 307 14 000 4 20 000 548 391 18 000 634 372 18 000 616 699 15 24 000 1 2 15 23 000 24 000 6 23 000 26 000 29 000 19 000 21 000 24 000 24 000 717 30 000 804 13010200 9 0 to 13 8 Blue 443 151035 1 01024 Yellow 445 25 to 75 1 7 to 5 2 Green 7010140 48109 7 100 69 32000 850 130 to 200 9 0 to 13 8 Blue 1010 0 34 to 2 4 6 6 8 as 9 9 5 873 952 1 1 1 1040 1 28 000 40 000 4 915 39 000 31 000 6 6 3 963 1060 1220 1240 1390 1570 1760 1920 1910 2490 2580 2660 2840 2900 2760 2940 3220 3540 3280 3810 4320 3560 4080 4550 5510 3 3 3 4 70to140 4 8to 9 7 10 69 17000 448 21 000 5 27 000 720 EA 6 7 8 7 5 6 5 7 8 8 7 9 3 4 and 1 20 and 25 5 to 35 1330 Black with 201065 14t045 ight blue 1410 stripe 1710 50 34 61 000 16
10. 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 7 Water Relief Capacities in Gallons per Minute L min Types MR98L and MR98LD with Elastomer Diaphragm NOMINAL SPRING RELIEF RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY PRESSURE COLOR PRESSURE 410 28 6 0 41 8 0 55 10 0 69 SIZE RANGE CODE SETTING I DN psi ba psig bar GPM Imin GPM l min GPM Imin GPM min GPM Vmin o 5 034 32 121 38 142 43 163 48 18 52 197 61014 041to0 97 Green 10 069 a 44 46 174 84 204 66 212 58 219 Ls pe par mr 4a ws 59 Pare e 227 242 1 4 NPT 20 14 33 25 46 4 59 223 27 2 25 17 34 129 48 182 62 235 20 8 25 17 33 125 47 178 61 231 28 4 Blue 35 24 36 136 51 193 66 25 Yellow 2 024 6 227 74 278 87 329 MUN 61014 041t0097 Green 10 069 91 344 11 416 13 488 1 2115 20 14 9 34 12 467 16 594 A ace MESA 257 75 5 269 79 Lm ez 373 4 rea eae eee E 561 17 632 63 9 18 685 0 19 73 4 16 613 17 654 18 684 22177 Em E 28 Sto HEM 38 33 1 EEN ee Ei as 24 ee 2 10 386 14 622 m vee bios 02110097 Green 10 060 17 624 21 rro 25 S94 RE wen jm
11. uno woe so om ess me o a e AAA tE Shaded areas show where maximum inlet pressures are exceeded 3 4 and 1 20 and 25 mo s m pe m sw pe ma 187 097 100 ep 10 3 to 25 9 33 Bulletin 1 4 MR98 Table 19 Steam Relief Capacities in Lbs per Hour kg h Types MR98HH and MR98HHD with Metal Diaphragm Only NOMINAL SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE SE RANGE PETING 10 0 69 1511 0 2011 4 2511 7 In DN S mn Ibs h kg h Ibs h kg h Ibs h kg h Ibs h kg h Ibs h kg h 150 to 1 4 NPT 375 165 74 9 84 7 Co 150 to B 3 4 and 1 20 and 25 continued Table 19 Steam Relief Capacities in Lbs per Hour kg h Types MR98HH and MR98HHD with Metal Diaphragm Only continued SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE RANGE SETTING 30 2 1 35 2 4 4012 8 50 3 4 75152 100 6 9 NOMINAL BODY SIZE In DN E REN Ibs h kg h Ibs h kg h Ibs h kg h Ibs h kg h Ibs h kg h Ibs h kg h mo ws oe re poe pes m pes pm m ao om am mo AA aa CICS ESET 150 to 1 4 NPT E Lm oer um oe m D D pos ow p o 2 es po EEG Lm pepe pepe ps pem pem 99 em pom p vere 1820 1030 ome re e me woe pm m pom Dm oe pm m mm Lm me uu pm m pom em pm re e prem m wo oo Lm mr mue em pm em me ou oo mo em pee pen IE EIN tE Shaded areas show where maximum inlet pre
12. 1 2 and 2 in DN 40 and 50 bodies 55 lbs 25 kg MR98L Series 1 4 NPT body 7 lbs 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 Options Handwheel or tee handle for Types MR98L MR98H and MR98HH Tapped spring case vent for Types MR98L MR98H and MR98HH Seal washer to permit spring case pressure loading for Types MR98L MR98H and MR98HH pusher post assembly provides positive guiding for improved shutoff Compact Design Small size allows easy installation in limited spaces Differential Pressure Capability Spring loaded PTFE packing and tapped connections permit pressure loading of Types MR98LD MR98HD and MR98HHD spring cases Handwheels Handwheels standard on the Types MR98LD MR98HD and MR98HHD and optional on some sizes of the Types MR98L and MR98H allow easy pressure setting changes Sour Gas Service Capability Optional materials are available for applications handling sour gases These constructions comply with the recommendations of NACE International Standards MRO175 2002 and MRO103 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 API 614 Compliant Steel and Stainless Steel Constructions meet API 614 Requirements
13. 20 to 406 F 29 to 208 C 40 to 450 F 40 to 232 C 20 to 450 F 29 to 232 C Gray Cast Iron LCC Steel WCC Steel Stainless steel Monel or Hastelloy C 40 to 450 F 40 to 232 C Flow Coefficients BODY SIZE e qn ee wee So 1 2 35 3 3 4 and 1 38 5 1 1 2 and 2 39 0 1 The pressure temperature limits in this Bulletin and any applicable standard limitation should not be exceeded 2 Loading pressure plus spring setting should not exceed maximum inlet pressure 3 Temperature and or the body end connection may decrease these maximum pressures 4 Maximum inlet pressure equals set pressure plus build up 5 Pressure and or the body end connection may decrease these maximum temperatures 6 Not for use on steam service 7 Meets API 614 Requirements with Stainless steel trim Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation Specifications continued IEC Sizing Coefficients BODY SIZE MENEAME DN ce 0743 074 095 090 1 2 0 88 0 83 1 1 2and2 40and50 0 961 0 69 094 0 88 Flow Capacities Types MR98L and MR98LD See Tables 7 through 11 Types MR98H and MR98HD See Tables 12 through 16 Types MR98HH and MR98HHD See Tables 17 through 21 Shutoff Classification Per ANSI FCI 70 3 2004 Metal Seats Class IV Polytetrafluoroethylene PTFE Class IV Elastomer Seats Class VI or better Pressure Reg
14. 9 2600 69 9 3500 92 9 150 181 1 2 15 12 to 25 0 83 to 1 7 H 3 4 and 1 20 and 25 12 to 25 0 83 to 1 7 B o o 206 180 190 197 continued 20 Bulletin 71 4 MR98 Table 11 Air Relief Capacities in SCFH Nm h Types MR98L and MR98LD with Metal Diaphragm continued NOMINAL SPRING RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY BEDER PRESSURE COLOR SETTING 2to 7 0 14 to 0 48 Yellow 2to 7 0 14 to 0 48 Yellow Ls pre in pem p SER HE EC La pu pmo pex mpm pm E pa o om wmm mm mmm Ls ppm po pem p pm pom om EN 2to 7 0 14 to 0 48 Yellow CI NUM 20 and 25 20 to 38 1 4 to 2 6 Blue 21 Bulletin 1 4 MR98 Table 12 Water Relief Capacities in Gallons per Minute L min Types MR98H and MR98HD with Elastomer Diaphragm SPRING RELIEF NOMINAL PRESSURE RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE SETTING 5 0 34 710 48 10 0 69 15 1 0 20 1 4 eso te com wmm com vmn Gem umn com wmm com ume se e o a perpe er e ms r me s pmo BODY SIZE RANGE N AB 5 86 BEEN 3 MEINE SN 4 Blue 130 to 200 os far e o o N N 100 115 101 112 113 82 5 86 3 85 1 146 25to 75 al o wm EN N A O o 1 2 15 ES 82 zh MIE E os es Ter Green a 78 sf a fer MC MEC NN MEA META 70 to 140 KM 130 to 200 9 0 to 13 8 c E ara ue E Green o N o or M
15. ERAA03810 TYPE MR98HD DIMENSIONS ALSO APPLY TO TYPES MR98LD AND MR98HHD SWE DETAIL In mm Figure 4 Dimensions See Table 22 continued Table 22 Dimensions continued TYPE MR98LD Heel mer 9 emmy SE ET F in mm i mm in mm in mm m mm m mm m mm m mm aner 275 ess 275 ess 204 sts 508 1205 1040 2656 o o 400 1016 TYPE MR98HD aner 27s eoo 275 ss 204 s19 ano ovo 1038 2597 400 1 34120 ase 1240 500 1270 227 sre 606 1540 1576 9494 107 272 oso 127 400 1019 aras ase 1240 500 1270 227 576 606 1540 13 76 3494 134 340 050 127 400 1019 aser 275 609 275 eoo 158 soa ano eto 1374 3499 o 400 ws 34720 ase 1240 500 1270 227 676 606 1540 ras 4407 107 272 oso 127 876 2225 125 ass 1240 500 1270 227 sre 606 1540 1735 4407 134 340 oso 127 876 2225 Ordering Information Ordering Guide When ordering complete the ordering guide on this Type Select One see Specification section page Refer to the Specifications section on pages 2 D MR98L and 3 Review the description to the right of each O MR98H specification and the information in each referenced D MR98HH table or figure Specify your choice whenever a O MR98LD selection is offered O MR98HD O MR98HHD continued 38 Or
16. is available 1 Blank areas indicate that you need to contact your local Sales Office for the availability of the constructions 1 2 in DN 15 PT O O d o o YN 2 c md O le 5 a Lu O ojs 1 in DN 25 1 Meets the chemical and physical requirements of NACE MRO0175 2002 and NACE MRO103 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 Bulletin 1 4 MR98 Table 2 Types MR98H MR98HD MR98HH and MR98HHD Regulators Body Constructions continued BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE c o N o gt y i o NPT SWE O LE D o 2 2 G 9 gt o o O z Without Control Line and Gauge Port E E Welded CL150 RF B ES Welded PN 16 2540RF 1 1 2 in DN 40 NT LT Types MR98H and MR98HD only With Control Line but Without Gauge Port WeldedCLISORF o Wededc3xoRE Cm NEN With Gauge Port but Without Control Line ocn HAM Welded PN 16 2540RF UT MA vyw 5 LI WeddcHsoRE Without Control Line and Gauge Port memes LH E megane f imtegraicisoorF f q Integral PN 16 2540RF E A EI LI With Control Line but Without Gauge Port WeldedCLisoRF Wwededc3oRE v7 MN
17. 0 14 to 0 48 Yellow 2to7 0 14 to 0 48 Yellow no 12 to 25 0 83 to 1 7 4400 6500 KY 8500 Ear 9500 11 000 20 and 25 20 to 38 1 4 to 2 6 Blue 3400 5900 8400 HE 10 000 EE 12 000 continued 18 Bulletin 71 4 MR98 Table 10 Air Relief Capacities in SCFH Nm h Types MR98L and MR98LD with Elastomer Diaphragm continued BODY PRESSURE RANGE COLOR SETTING o 045 10 O 20114 25147 3012 1 SIZE CODE 2to7 0 14 to 0 48 Yellow 2to7 0 14 to 0 48 Yellow NNNM C oe pm o m m 9 o Ls por pere o n o po m ome ram EM EM es e se is ao o a NEM EIME SE NE SENE JE io NM sr fome pe EM 3 4 and 1 20 and 25 12 to 25 0 83 to 1 7 13 000 14 000 20 to 38 1 4 to 2 6 Blue 19 Bulletin 1 4 MR98 Table 11 Air Relief Capacities in SCFH Nm h Types MR98L and MR98LD with Metal Diaphragm NOMINAL SPRING RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY RELIEF PRESSURE PRESSURE RANGE DE SETTING 210 14 410 28 6 0 41 8 0 55 10 0 69 SIZE ger een 2 94 epee 7s so ts 70 us 60 2000 28 2to 7 0 14 to 0 48 Yellow Ceen eneon cum o em me mm m nor mo we om mr woo ms ww ae ose wo eo oo sas om oe ow os o fe am na oe ns om no am a im om 2to7 0 14 to 0 48 Yellow a aeo o o eua amo ror oem se amo e rm 02 200 eo 200 100 sno 005 pmo oa Co a ome aee sum oe sme ms sme or so os om os EJES sem or amo mm 52 3 74
18. 20 50 to 100 34t06 9 Light gray 2020 1640 7510170 5 2t0117 Black 100 69 76000 2030 1 1 2 and 2 40 and 50 2 co Bulletin 1 4 MR98 Table 16 Air Relief Capacities in SCFH Nm h Types MR98H and MR98HD with Metal Diaphragm RELIEF PRESSURE SETTING 510 34 710 48 10 0 69 15 1 0 2011 4 psig bar SCE Nwih ScrH nmm SCFH nmm SCFH New ScrH ww 35 24 e tz so 237 1200 27 100 488 2400 65 x5 se no 201 woo 366 1700 4 amp 3 2400 638 3000 814 l um ER e pe uei Re pee pm e p fe 1 0 to 2 4 Yellow PRESSURE BUILD UP OVER RELIEF SETTING psig bar NOMINAL SPRING RELIEF BODY SIZE PRESSURE RANGE E E 0 i O Y e 2 2 2 2 2 2 2 2 2 4 15 to 35 25 to 75 1 7 to 5 2 Green 5 5 70 to 140 4 8 to 9 7 125 150 130 to 200 9 0 to 13 8 Blue 175 200 5 5to35 0 34to2 4 Dark gray 2 3 2 Black with 3 20 to 65 1 4 to 4 5 light blue stripe 5 6 5 50 to 100 3 4 to 6 9 Light gray 75 100 402 i 24 EON RES 52 3000 NIME NIA os 11 000 000 3 4 and 1 20 and 25 3 5 7 7 11 000 000 O Co e o ao 128 5000 158 7500 suo t o exo 189 6000 202 10 214 237 12000 265 13 2887 253 348 7 478 95 493 418 499 23000 621 28000 7 705 7 475 45 595 3 650 6 RENI 484 6
19. 50 sra seam 10m 45700 70 Ta 1o20 8000 vom rasoo 2010 e0500 2400 o 207 570 1220 oroo 1000 s0200 1500 10000 1000 exam 220 oreoo 200 ERA ES SS E DS SE E L Shaded areas show where maximum inlet pressures are exceeded 300 20 7 22 600 375 25 9 175 12 1 30 000 85 55 EM 150 10 3 26 400 30 200 EE 35 Bulletin 1 4 MR98 Table 21 Air Relief Capacities in SCFH Nm h Types MR98HH and MR98HHD with Metal Diaphragm BODY PRESSURE RANGE SETTING 10 0 69 15 1 0 20114 2511 7 SIZE i continued 3 4 and 1 20 and 25 Table 21 Air Relief Capacities in SCFH Nm h Types MR98HH and MR98HHD with Metal Diaphragm continued NOMINAL SPRING RELIEF RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY PRESSURE PRESSURE SIZE RANGE SETTING 30 2 1 35 2 4 40 2 8 50 3 4 75 15 2 100 6 9 Eee ae rr dito aa 138 10 300 a 11 700 352 22 800 29 700 1 2 15 375 259 K NE 12 300 ET 4 000 15600 18 900 ra azi os BN 7 Ep 3 4 and 1 20 and 25 ors ss O L Shaded areas show where maximum inlet pressures are exceeded 36 Bulletin 1 4 MR98 0C 1 4 NPT ai MAX FLANGE L 1 U d UU af ERAA03807 ra 14 00 355 6 ERAA03811 TYPE MR98H DIMENSIONS ALSO APPLY TYPE MR98H FLANGED BODIES AVAILA
20. 56 800 476 224 249 O21 237 HEC MET 278 292 309 EESE REM 17000 461 21000 EM 624 766 869 MZ 760 BUM 996 EH 895 4 eo 13 000 000 17 000 000 22 000 000 069 10 BEA 24 4 17 3 24 13 3 34 15000 4 45 17 4 34 2 52 4 69 52 69 86 0 1 1 2 and 2 40 and 50 269 gr 5 5 5 5 5 5 5 0 1 0 0 5 642 532 6 140 149 24 49 21 37 75 41 76 92 309 349 370 61 577 624 756 869 624 760 843 936 670 895 650 857 pani 307 367 77 406 19 17 000 464 21000 561 26 000 297 14 426 REM 399 MESA 2 4 3 4 5 2 5 2 104 128 202 139 214 i 169 237 265 289 91 348 04 478 1 0 30 493 1 7 621 2 4 79 705 1 7 07 475 2 4 57 595 3 4 06 650 4 5 64 707 3 4 97 484 5 2 25 656 36 800 5 2 33 476 51 655 22 786 1 7 95 continued 30 Bulletin 71 4 MR98 Table 16 Air Relief Capacities in SCFH Nm h Types MR98H and MR98HD with Metal Diaphragm continued NOMINAL SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar 25 to 75 130 to 200 9 0 to 13 8 Blue 175 EN 26 000 33 000 39 000 1060 26000 s 39 000 5900 Dr Der me aso 20 al eU 15 to 35 1 0 to 2 4 Yellow 2 3 2 2 25 to 75 0 ELES 17 B
21. All springs may be backed off to 0 psig O bar However highest capacities and best performances are obtained by using these springs in their recommended ranges Bulletin 1 4 MR98 ADJUSTING SCREW CONTROL SPRING VENT DIAPHRAGM VALVE PLUG ORIFICE TYPE MR98H WITH INTERNAL PRESSURE REGISTRATION EEE INLET PRESSURE E OUTLET PRESSURE EJ ATMOSPHERIC PRESSURE METAL DIAPHRAGMS SPRING A FOR TYPE MR98H WITH TWO METAL DIAPHRAGMS ALSO TYPICAL OF TYPES MR98HH AND MR98L EXCEPT FOR TYPE MR98L 1 4 NPT BODY 2 TO 7 psi 0 1 TO 0 48 bar RANGE Figure 2 MR98 Series Operational Schematics 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 beyond the spring setting the diaphragm pressure overcomes the spring compression This causes the valve plug to move away from the orifice The flow path through the BACK VIEW OF 1 2 IN DN 15 TYPE MR98H WITH EXTERNAL PRESSURE REGISTRATION CONTROL LINE TAP SIDE AND INTERNAL VIEW OF 3 4 TO 2 IN DN 20 TO 50 TYPE MR98H WITH EXTERNAL PRESSURE REGISTRATION ALSO TYPICAL OF TYPE MR98L 1 2 TO 2 IN DN 15 TO 50 BODIES METAL DIAPHRAGM Lo SPRING TYPE MR98L 1 4 NPT BODY 2 TO 7 psi 0 14 TO 0 48 bar RANGE WITH ONE METAL DIAPHRAGM valve is open and ex
22. BLE IN 1 2 TO 2 IN TO TYPES MR98L AND MR98HH DN 15 TO 50 BODY SIZES DIMENSIONS ALSO APPLY TO TYPE MR98L DE i A ERAA03808 ERAA03810 TEE HANDLE DETAIL FOR ALL SIZES SWE DETAIL EXCEPT 1 2 IN DN 15 Iani Only when specified Figure 4 Dimensions See Table 22 Table 22 Dimensions TYPE MR98L annen 275 ss 275 Tas zw s so 1265 617 wr oie 309 792 uz 388 086 400 1016 185 473 roo ure 784 1002 086 218 038 97 ner 275 99 275 ees 204 TnS ate 810 36 Js ooo 399 762 uns 388 086 400 1016 185 473 425 1080 829 2106 086 218 038 97 34120 486 1240 500 1270 227 576 606 1540 1021 2504 107 272 050 127 500 1270 125 486 1240 500 1270 227 sre 608 1540 1021 2504 134 340 050 127 500 1270 aner 275 ss 275 659 198 504 oro 610 om 2 94 oo oo am 2 wii 388 996 400 1016 161 46 425 1080 1082 zr amp 086 218 038 97 34120 486 1240 500 1270 227 sre 606 1540 1210 9073 107 272 050 127 125 488 1240 500 1270 227 sre 606 1540 1210 3073 134 340 050 127 continued 37 Bulletin 1 4 MR98 MAX ERAA03812 HANDLE DETAIL FOR SIZE 1 2 IN DN 15 ONLY DE B Y ERAA03809 gt a F
23. Bulletin 71 4 MR98 January 2015 MR98 Series Backpressure Regulators Relief and Differential Relief Valves MM Ww TYPE MR98L Figure 1 Typical MR98 Series Backpressure Regulators Relief and Differential Relief Valves e y EMERSON Process Management D103743X012 Bulletin 1 4 MR98 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 loaded high pressure backpressure relief valve with 150 to 375 psi 10 3 to 25 9 bar differential set pressure range
24. Haynes International Inc Bulletin 71 4 MR98 Table 2 Types MR98H MR98HD MR98HH and MR98HHD Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION STYLE or Hastelloy C LEE T ELE LT temm 5 amp 0 2 3 lla 215 O S s o o 0 TA 2 d o co LL o Without Control Line and Gauge Por Welded CL150 RF E Welded CL300 RF a Without Control Line and Gauge Port Welded PN 16 25 40 RF D Integral CL150 RF I Integral CL300 RF ai Integral PN 16 25 40 RF aM With Control Line but Without Gauge Port WeldedCLISORF WeldedCL300RF v HERRER sw 7 AS Without Control Line and Gauge Port NWeldedCLISORE l WededcL3ooRF EMEN Welded PN 16 2540RF gt E NEM vv A With Control Line but Without Gauge Port WeldedCLISORF WekdedcL3ooRF 30 MEM vw MEME With Gauge Port but Without Control Line une L wedeiPNie2S4oRr pu pu v A e H weddconr AAA Without Control Line and Gauge Port a A gt irtegrarciasoR MAA irtegrarcisooR MS migrlPN16254ORr MN vv 3 EM With Control Line but Without Gauge Port WeldedCLISORF wewercixonr MEE vr MEME With Gauge Port but Without Control Line unn A wedeiPNiw2s4oRr d Ru EX Shaded areas indicate that the construction
25. IC IO IA II Ra es a e 79 a IO E IC E IC E ICI IC IT oe A en ee E 5 75 52 30 ns 38 m 4 156 45 19 Hag 397 to 69 33 126 4 154 44 17 48 180 125 86 34 10 43 184 4 177 50 19 147 45 tro 51 195 Eu Ea 2 19 4 153 4 15 5 1 2 as Blue 29 109 41 153 46 175 197 Uwe o9 pow o Do o om e e ICI ICI ICO E ICA II Ts as aoe ese IZ a e e A fm Aak 62 E o e j e ro d ros MC Lc qom IC IEC pos Tom 200 13 8 Blue 64 243 84 317 92 Low ICI ow po ow ow pom o8 Lope mo po pow om o9 oss ome o9 Eo 15 10 130 499 160 614 190 mo 210 06 51035 3 Dark gray 130 499 160 614 190 710 25 17 140 547 170 65 200 742 22 84 598 693 210 780 230 ser EEN IE 657 200 74 220 889 1419 Black with 564 603 20 780 230 er 20 to 65 4 5 light blue 1 1 2 and 2 stripe 625 200 751 220 ECIEN WM ON PN Ec EF Lom poe po om m om ICC nis ag Light gray 170 655 210 802 240 KENENN NN NN ONE NN NN NN NN 4 11 Black 23 Bulletin 1 4 MR98 Table 13 Water Relief Capacities in Gallons per Minute L min Types MR98H and MR98HD with Metal Diaphragm RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar NOMINAL SPRING RELIEF COLOR PRESSURE 35 z4 ze 99 34 zr 45 v sz 214 68 297 125 se zo w ss m s tes ss 208 ex 23 35 10 12 46 n
26. M NN STR wo BEC 25 to 75 es 156 3 4 and 1 20 and 25 N N e o N N e x N Co QW A e 173 130 to 193 200 500 229 620 281 790 150 MEUM 20 EM TE aa 25 35 2 E Black with 35 1 4 to 4 5 50 05 50 NN 10 EM 10 125 170 Ke o O UJ c O AN gu apo N o 0 K N a BIN MO A CIO Ojo o E VIU BIO Ojo 1000 1200 225 255 mo 345 491 464 560 1400 641 1000 462 1200 561 1500 682 620 687 492 656 MER METER Gm A 928 20 to 65 light blue stripe 1400 830 1120 1 1 2 and 2 40 and 50 9 9 o f sa m zm e m freo 5 2 to ii zx 00 o o 840 381 459 N o o al o Co AR N c LO Oo N o Co q s ER o o N al e e continued 26 Bulletin 1 4 MR98 Table 14 Steam Relief Capacities in Lbs per Hour kg h Types MR98H and MR98HD with Metal Diaphragm Only continued SPRING RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar NOMINAL RELIEF PRESSURE PRESSURE COLOR BODY SIZE RANGE CODE SETTING 50 3 4 100 6 9 1 10 mo s 1o 735 20 9 zo 35 24 wo 20 oe zo w 310 w as 24 mo ew 20 94 zo w 310 140 7s s2 to es zo m so ws so 174 tes
27. N Paa C C Calculated flow coefficient Q lt Flow rate from tables SCFH Pia Inlet pressure from table set pressure and build up converted to absolute pressure G Specific gravity T Absolute temperature of gas at inlet Rankine F 460 P Absolute inlet pressure psia psig 14 7 C See specifications section AP P P gt psid Calculate the C coefficient for the setting and build up nearest to the desired service conditions within the selected spring range Then use this C to calculate the approximate flow available for the actual setpoint and build up desired Available C will vary based upon setpoint differential pressure build up and spring range Step 2 Calculate the actual flow rate available using the coefficient from Step 1 and the actual inlet pressure setpoint plus build up and actual outlet pressure if not atmospheric Equation 2 520 3417 AP Qscen C P 12S IN DEG SCFH GT g 1 O Pia Liquid Sizing for Liquids Other than Water Step 1 Determine C at build up conditions of application _ Q WE AR Q Flow in GPM from capacity tables AP Pressure drop in psi setpoint and build up C Valve sizing coefficient Step 2 To determine flow rate for liquids other than water or flow rate for differential relief service Q C A AP G G Specific gravity of fluid Maximum Allowable Pressure Drop for Liquid Service Pressure drops i
28. NE NEC 24 13 000 34 15000 52 52 REU 86 tos 3 5 7 2 i i li i E ES 9 0 to 13 8 5 1 0 34 to 2 4 Dark gray Black with 3 4 and 1 5 5 5 5 0 5 75 5 5 5 5 20 and 25 5 ow xs es mo wr mo 1 sm 2 noe 29 2 se o 156 7700 2 10000 277 19 000 x9 3 754 926 5 873 5 845 954 70 to 140 7 10 12 1050 1290 130 to 200 206 240 269 299 248 288 334 325 359 379 351 373 391 432 480 530 582 657 744 807 827 898 950 15 17 20 8 3 96 3 1 33 0 37 50 3 44 84 58 96 65 23 82 17 30 88 20to65 1 4to4 5 light blue 1 1 2 and 2 stripe 40 and 50 2 RCN E Des 50 to 100 3 4 to 6 9 Light gray 10 5 2 to 11 7 0 0 15 0 25 35 4 25 35 4 50 4 65 50 4 75 2 5 2 75 to 170 7 4 4 4 2 2 0 7 4 4 4 2 2 7 7 5 E i 0 0 0 5 0 5 0 0 0 5 0 7 10 12 17 3 Bulletin 1 4 MR98 Table 17 Water Relief Capacities in Gallons per Minute L min Types MR98HH and MR98HHD with Elastomer Diaphragm Zoe DUPRESSURCRANGE SETTING 510 34 10 0 69 1511 0 2011 4 25117 SIZE Lm om e va rs e oo ws vo us os om mo mr 004 me 0 ve or wr mo wo or e mn ae fe es ma eo efe fe fe fato 3 4 and 1 150 to 20 and 25 375 continued Table 17 Water Relief Capacities in Gallons per Min
29. With Gauge Port but Without Control Line oem HMM wededPNie2s4oRE HEBB CF8M Stainless Steel Mii CF3M Stainless Steel Pf ff fy b dg Aluminum Bronze o E O EE Shaded areas indicate that the construction is available L 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 MR0175 2002 and NACE MR0103 Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc Bulletin 71 4 MR98 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 e r e om om 20 to 38 1 4 to 2 6 0 331 2 250 a Powder coated steel ERAA02889A0 2to7 0 14 to 0 48 0 306 Powder coated steel 1E398927022 20 and 25 SERING PART SPRING COLOR NUMBER and MR98LD 3 4 and 1 3 4 and 1 E 151035 101024 048 Zine plated toot 18992627022 weno tower 027 526 tme 402 eer Tans r gi ce 1 4 meno 251097 020 ris 200 620 Fewereweises Taan Re and 25 1 2 MR98H and MR98HD 3 4 and 1 Provo ier 0406 109 m 102 mer Tess Re i La SERIO EEN ML E 3 4 20 and 4 150 to 375 10 3 to 25 9 0 593 ws fe 6 380 Chromium silicon steel 1N9441X0022 Light gray MR98HH and MR98HHD 1
30. bar Stainless steel 3 4 and 1 in DN 20 and 25 Bodies O 15 to 35 psig psi 1 0 to 2 4 bar O 25 to 75 psig psi to 1 7 to 5 2 bar O 70 to 140 psig psi 4 8 to 9 7 bar Type MR98HH or MR98HHD Steel 1 4 NPT to 1 in DN 25 Bodies 150 to 375 psig psi 10 3 to 25 9 bar Regulators Quick Order Guide Readily Available for Shipment Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Availability of the product being ordered is determined by the component with the Replacement Parts Kit Optional D Yes send one replacement parts kit to match this order Specification Worksheet Application Specific Use Line Size Fluid Type and Specific Gravity Fluid Temperature Upstream Regulator Specifications Brand of upstream regulator Orifice size of the upstream regulator Wide open coefficient of the upstream regulator Maximum Inlet Pressure P Downstream Pressure Setting s P Maximum Flow Q M Relief Valve Specifications Relief Valve Setpoint Accuracy Requirements Need for Extremely Fast Response Other Requirements longest 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 Euro
31. cess pressure is vented When upstream pressure drops below setpoint the valve resumes its closed position 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 HANDWHEEL CONTROL SPRING LOADING PRESSURE INLET TAP DIAPHRAGM VALVE PLUG ORIFICE EE INLET PRESSURE EE OUTLET PRESSURE LOADING PRESSURE TYPE MR98HD WITH INTERNAL PRESSURE REGISTRATION Bulletin 71 4 MR98 FOR TYPES MR98HD MR98HHD AND MR98LD WITH METAL DIAPHRAGMS ASSEMBLE DIAPHRAGM GASKETS UNDER AND ABOVE THE METAL DIAPHRAGMS AS SHOWN ABOVE Figure 2 MR98 Series Operational Schematics continued 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 decreases 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 out
32. dering Guide continued Body Size Select One O 1 4 NPT O 1 2 in DN 15 O 3 4 in DN 20 O 1 in DN 25 O 1 1 2 in DN 40 not available for MR98L Series O 2 in DN 50 not available for MR98L Series Body Material and End Connection Style See Tables 1 and 2 Select One Gray Cast Iron O NPT WCC Steel O NPT O SWE O Welded CL150 RF O Welded CL300 RF O Welded PN 16 25 40 LCC Steel O NPT O SWE O Welded CL150 RF O Welded CL300 RF O Welded PN 16 25 40 CF8M Stainless steel NPT SWE O Welded CL150 RF O Welded CL300 RF CF3M Stainless steel NPT SWE Welded CL 150 RF Welded CL300 RF Welded PN 16 25 40 Integral CL150 RF Integral CL300 RF Integral PN 16 25 40 Hastelloy C NPT O Integral CL150 RF O Integral CL300 RF O Integral PN 16 25 40 RF Monel NPT O Integral CL150 RF O Integral CL300 RF O Integral PN 16 25 40 RF Aluminum Bronze O Integral CL150 RF O Integral CL300 RF O Integral PN 16 25 40 RF 1 Available in threaded NPT end connection only 2 Integral flanges are available for MR98H Series only Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation D D L1 CI CI E1 U ET Bulletin 71 4 MR98 Spring Case Material Select One O Gray Cast Iron standard for Gray cast iron bodies WCC Steel standard for Steel or Stainless steel bodies LCC Steel
33. e ne Pa Duc pen per a D Blue as 24 16 eos z ess 12 continued HEE E 116 127 E _ N ol A d O oo B al w o D 66 EEE FE Baw 9 9 E 14 META EE 2 17 65 208 89 38 12 462 14 S97 EEN EEE 22 ud EE n A 33 FERE La TL 33 1 Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 12 Bulletin 71 4 MR98 Table 7 Water Relief Capacities in Gallons per Minute L min Types MR98L and MR98LD with Elastomer Diaphragm continued mo PRESSURE BUILD UP OVER RELIEF SETTING psig bar ee Leu s Lu Eee ps Ee em free ee oa pos us E Lx pe pu ra ro pee ps pe s pe es o ose pos e me ros o 8 oa e Pope pep Lm ow pee o9 jeje aj Exp pepe s spore pese FAIE a ar ie re e es 3e s 20 to 38 1 4 to 2 6 Blue NS NS 7 ET ET to 0 48 Yellow 04119097 Green 10 060 3 4 and 1 20 and 25 12 to 25 0 83 to 1 7 20 to 38 1 4 to 2 6 Blue E BEN ICO ICO CO ICO CO CO IC IC Universal NACE Compliance physical and metallurgical requirements of NACE MRO175 2002 and or NACE MRO0103 Optional Optional materials are available for applications materials are available to meet ANSI NACE MRO0175 handling sour gases These constructions comply ISO 15156 please contact your local Sales Office with the recommendations of NACE International sour for special ordering instructions Customers have service s
34. es 1 63 30 187 30 vs 40 25 o das Bu 15 124 20 108 so m so 195 so 2e 20 138 as m so 10 440 22 so 29 1 wo ws s ws so 27 co 29 35 24 2 40 ze 620 760 cm as 24 zo vs 4o ie so ze co 20 75 s2 s 160 so 24 0 3 790 3 75 s2 3 e so zw 60 27 790 357 ws se so wo co 2m mo se wo 4 o dae Bu 15 124 m 60 z2 eso s wo so 20 138 es 60 25 9o 44 120 ss 15 10 224 am oo 1200 s 35 24 co eso s t 503 1400 co 35 24 seo es se no 49 wo cm 75 s2 o so no su mo er mo m s2 co no 40 100 ev vo 75 tes s e sm 10 s wo 765 210 9 daa ge Blue 13 8 1 2 15 3 4 and 1 20 and 25 130 to 200 5 to 35 ied Dark gray ws n om m 3 s 2000 s 2500 4 ee s 250 1500 so 2100 oo zo 120 oa 1300 ss 1900 sm 2700 120 340 190 oe 1400 sso 2100 ou 2600 1280 3600 195 ro 1500 703 2200 s ze 1390 3700 1680 a7 1800 e 200 voo s20 10 3 9 wo 34 xw s ze 120 3400 15 4200 199 ar pee Dorm ano owe se sm fumo mo s p 2 36 see seo 39 ime emo 240
35. ess Steel 316 Stainless Steel 316 Stainless Steel 1 Alloy 6 is not available for 1 4 in size Table 5 MR98 Series Construction Materials MAIN VALVE MATERIAL Gray cast iron WCCILCC steel Gray cast iron CF8M CF3M stainless steel WCCILCC steel Stainless steel CF8M stainless steel Monel Powder coated steel or 5 Monel or Hastelloy C or M Powder coated stainless steel 3 Hastelloy C Aluminum Bronze Zinc plated steel TRIM MATERIAL Part Name Standard Optional Elastomer Seat Seat Nitrile NBR Fluorocarbon FKM EPDM or Perfluoroelastomer FFKM 302 Stainless steel Fluorocarbon FKM 9 Diaphragm Neoprene CR Ethylenepropylene EPDM Monel Hastelloy C or with PTFE protector Orifice 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Valve Plug 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Valve Plug Guide 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Pusher Post 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Washer 302 Stainless steel 316 Stainless steel Monel or Hastelloy C Metal Seat Seat 416 Stainless steel 316 Stainless steel Monel Hastelloy C or Alloy 6 Monel Hastelloy C Fluorocarbon FKM Diaphragm 302 Stainless steel Ethylenepropylene EPDM Neoperene CR or with PTFE protector Orifice 416 Stainless steel 316 Stainless steel Monel Hastelloy C or Alloy 6 Valve Plug 416 Stainless steel 316 Stain
36. i N N P ala ala N o N o apo aJo 181 177 CG al N iN FH O eo as NE HEN EN 4 8 to E E EE UE Blue 25 to 75 N gl e N N Tree O 3 4 and 1 20 and 25 q al al N N N Qo A q 70 to 130 to 9 0 to 13 8 Pea ewe To pos ff Black with 5 to 35 7H 337 404 120 471 ASS 364 432 130 500 1 4 to 20 to 65 45 light blue 1 1 2 and 2 stripe 40 and 50 M i o or M A Y N A 50 Es Pa E 117 continued 75 to 170 N O i Co c 09 al C2 N E al al MEN I _ A O A N o E e o o to 22 Bulletin 71 4 MR98 Table 12 Water Relief Capacities in Gallons per Minute L min Types MR98H and MR98HD with Elastomer Diaphragm continued RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE COLOR PRESSURE RANGE CODE SETTING 30 2 1 50 3 4 7515 2 100 6 9 SPRING RELIEF NOMINAL BODY SIZE In DN psi ber imn GPM imn GPM imn GPM min 323 10 393 12 458 4 52 15t035 124 Yellow e pe er o9 ow oW mw 401 12 454 13 488 14 522 35 24 10 391 12 492 1 ste 1 51 pos Ce pepe e e e fu dud INIM Leo es ee IC IC mo agi o oe po poe os m EO se pre Ces e o8 poe o oe po 9 18 1 28 is ws e ws o mp9 wow 80 m m De w om er ee 2 9 e ess o o3 o9 po ome pom jm Ls T9 o9 II ICI
37. ir 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 x Re a EMERSON Emerson Process Management Regulator Technologies Inc 2013 2015 All Rights Reserved
38. istration Internal or External Introduction MR98 Series Figure 1 is used for backpressure or relief applications in liquid gas air and steam service The Types MR98L MR98H and MR98HH are direct operated and spring loaded The Types MR98LD MR98HD and MR98HHD use additional pressure loading to maintain relief differential pressures backpressures or for remote setpoint adjustment Features Versatility Typical applications include control and maintenance of backpressure on pumps differential pressure across lubricated seals steam header pressure fuel and oil lines pressure air supply systems pressure pump bypass applications for API general and special purpose lube and seal oil systems relief applications for flash tanks and accumulators and other process and industrial uses Excellent Fluid Compatibility Diaphragms come in stainless steel Monel Hastelloy C or elastomers and body is available in gray cast iron steel stainless steel Aluminum bronze Hastelloy C and Monel Corrosion resistant trims are available Close Stable Regulation Diaphragm is isolated from the main flow stream Slotted valve plug and Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation Bulletin 71 4 MR98 Approximate Weights MR98H Series 1 4 NPT body 5 lbs 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
39. less steel Monel Hastelloy C or Alloy 6 Valve Plug Guide 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Pusher Post 416 Stainless steel 316 Stainless steel Monel or Hastelloy C Washer 302 Stainless steel 316 Stainless steel Monel or Hastelloy C 1 Two diaphragms are required if metal diaphragm is to be used except for Types MR98L and MR98LD 2 to 7 psi 0 1 to 0 5 bar which use only one 2 Two diaphragms are required if Fluorocarbon FKM or Ethylenepropylene EPDM diaphragm is to be used 3 PTFE protector is only available for Fluorocarbon FKM Neoprene CR or 302 Stainless steel diaphragm Monel is a mark owned by Special Metals Corporation Hastelloy C is a mark owned by Haynes International Inc 11 Bulletin 1 4 MR98 Table 6 Maximum Cold Working Pressures of Body Size and Materials CASE MATERIAL Gray Cast Iron 4 Steel MR98L All Sizes Stainless Steel 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 Gray Cast Iron Steel MR98HD All Sizes sisiniess eie 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 Bulletin and any applicable standard limitation should not be exceeded
40. let pressures is maintained Capacity Information Relieving capacities at selected pressures and outlet pressure flows are given in SCFH 60 F and 14 7 psia of air in Tables 10 11 15 16 20 and 21 To determine the equivalent capacities 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 normal cubic meters per hour Nm h at 0 C and 1 01325 bar multiply SFCH by 0 0268 Bulletin 1 4 MR98 Typical relieving capacities in lbs per hour and kilogram per hour of saturated steam are shown in Tables 9 14 and 19 Tables 7 8 12 13 17 and 18 give relieving capacities in U S gallons per minute and in liters per minute of water Sizing Determine Flow Rates for units used as differential relief valves as follows Air and Steam Service When the Capacity Information section do not cover the actual service conditions it will be necessary to calculate the flow rate available from the relief valve Step 1 From the Capacity Information section determine a flow rate using the closest available data for setpoint and build up With this information calculate a flow coefficient using the following Equation 1 Q 520 3417 PE P SIN AP DEG GT Q
41. n excess of allowable will result in choked flow and possible cavitation damage To determine maximum allowable pressure drop for water AP allow Km P1 AP Valve differential psi Kin Valve recovery coefficient from table P Valve inlet pressure psig To determine maximum allowable pressure drop for fluids other than water see Fisher Sizing Program Installation These valves may be installed in any position as long as flow will be in the same direction as that of the arrow cast on the body For dimensional information see Figure 4 Emerson Process Management Regulator Technologies Inc Emerson provides an instruction manual with every valves shipped Refer to this for complete installation operation and maintenance instructions Included is a complete listing of individual parts and recommended spare parts Bulletin 71 4 MR98 Table 4 MR98 Series Trim Materials TRIM ORIFICE VALVE PLUG NUMBER SEAT VALVE PLUG GUIDE STEM STEM GUIDE BOTTOM PLUG WASHER 3 Alloy Aloy6 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel 6 e NBR 476 Stainless Steel 416 Stainless Steel 416 Stainless Steel 416 Stainless Steel 302 Stainless Steel 8 Fluorocarbon FKM 416 Stainless Steel 416 Stainless Steel 416 Stainless Steel 416 Stainless Steel 302 Stainless Steel 9 Fluorocarbon FKM 316 Stainless Steel 316 Stainless Steel 316 Stainl
42. oe ves e ms oma ma um are o wav 20 se m oe 7 oo me mos ms wr 2 ws ss m w2 oss ovo ver m7 ms wo ms me ro m mr oe ome ez ome ms ore m wo om vo m ass ws o wa s ma os as m mo ov continued 3 4 and 1 20 and 25 Table 18 Water Relief Capacities in Gallons per Minute L min Types MR98HH and MR98HHD with Metal Diaphragm continued NOMINAL SPRING RELIEF RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar BODY PRESSURE PRESSURE SIZE RANGE SETTING 30 2 1 35 2 4 40 2 8 50 3 4 7515 2 100 6 9 0 00 Upa oar poa vor oe ume Ge umm ew vmn oem vmn Ge umn oe umn Lm os os m om os ms es 2 m pom ns oz m pm p x os om mo we om me 0 pe 102 oo aer ome 1030 20 ee 0 pee om wa ms we pes os wr vor aa mo v2 ws o no wo 2 wa wi ms m os m vor Lm mr 05 er ns oes s ari we 9 mw a ra Das ass AAA m ws 2 us as we u2 97 w2 09 me es 3e no rs es r we er pee e oe oo me 0 9 ve AR eee eee o 288 mo va 42 sor 165 s wo we ms m7 me ore 02 Cw pep ws ms mz nel a erp ojo e AAA ser er one me us eo wo e m mr mo Jue Lm e ws re ws mo p we we wr mo cor 200 Lm ma ses we as ee ses 19 wo m oro 20 coo 22 Lm mr 055 ew as wo
43. oo 70s sso om eem we sam we continued 3 4 and 1 150 to 20 and 25 375 Table 20 Air Relief Capacities in SCFH Nm h Types MR98HH and MR98HHD with Elastomer Diaphragm continued om SPRNGRELEF REEF PRESSURE BUDA OVER RELIEF SETTING ee oo Rer er 5 osi bar poio tw crm wem sorn wem sorn nem sorn ww sorn mmm sorn ww Lm os p eme am e ams sem 2 10700 27 mm ow isso e Lm poe eme ase p amo ms sese 27 som x 7m sm 10100 em saver 150 1030 299 2 w20 273 sum 200 noo ms 1800 xo seo ve om or sa 259 20 oa sume sw 12200 sm emo se ss sn 16400 2 1090 s 00 2r 15000 oe aooo ars iaro 385 3820 sa sem e vro aos ES E ES ES ES ERE RS ES UII NETS E M Lm 103 psum 0s pea em 18200 ae 22000 se arom re somo om Lm pom pee a mono are seme sor mae oso sae on se om us ot 10310 20 100 mooo aes seo sre aroo sre 26200 02 sam sm r200 1020 m 259 aso era 10500 ste aom sem so ss 20 00 se 31300 1000 aa moo 25600 es 25000 776 sso we 4o 10 sz T LL O IO IS O IO IS O IO Lew sum we sso ww sz ww com iro Foo ore 38500 1000 wom vam sez sso sso 1000 aan 150 10380 290 198 32000 ese s60m sem sumo 120 51300 xo eso a0 7700 zm aedis sro 259 2
44. pe Bologna 40013 Italy Tel 39 051 419 0611 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 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 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 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 For further information visit www fisherregulators com 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 are presented for informational purposes only and while every effort has been made to ensure the
45. ssures are exceeded 150 10 3 175 34 Bulletin 71 4 MR98 Table 20 Air Relief Capacities in SCFH Nm h Types MR98HH and MR98HHD with Elastomer Diaphragm NOMINAL SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar PRESSURE prd RANGE SETTING 5 03 10 0 69 15 1 0 2011 4 2511 7 MIN psi bar psig bar scr SCFH SCFH ScrH Nmn SCFH Nmn m wem o oem e ox es em om oem ow ea pos nm om om pom p 1 4 NPT E S 280 353 264 ose 00 oe zo ma sooo we wm sw em m wm am 268 Too v2 mee r2 em var woo vo eo zm somo IE so or wm or sor wm em am voaw me vio se ms so sm we rom am vaso zm mam aso vee se EM mo ss m s mm wo re zm s s sn Lom om ome pom ome sor oem oum oem mm onem E sor oso 20 8 em m sm ww oom as wmm se ew s 1 2 15 375 259 mo ma wm ww rom s sm ae man so oom e so mr sm sw em xm pem ow os 2 oom 9 Come so ome sm sow zm CO wm sem wo mm sso Lm ws ose zw sooo zm poem ow ome wor mam 9 ms om oem zm 12100 m oem wo mom m 25000 oro ose m0 we seo z 1950 sm oso os 23100 ow me ro 268 am m2 m awe 1090 s2 mom see armo e eme em so mr 9300 sw mw sw ms mm mom sw som ww Los so omo ser s
46. tandards the responsibility to specify correct materials Environmental limitations may apply and shall be The manufacturing processes and materials used determined by the user by Emerson assure that all products specified for sour gas service comply with the chemical 13 Bulletin 1 4 MR98 Table 8 Water Relief Capacities in Gallons per Minute L min Types MR98L and MR98LD with Metal Diaphragm NOMINA SPRING RELIEF PRESSURE BUILD UP OVER RELIEF SETTING psig bar RELIEF PRESSURE PRESSURE DE RANGE SODE SETTING 210 14 410 28 610 41 8 0 55 10 0 69 014 15 567 22 813 28 106 12 9 15 1 HIT FE pep pem T 2a pes Tee e as nm 201038 14102 6 Blue Es pep ps por ar pna S Ta 22 3 ses pesi ue pw pw er pos por per per 1 2115 121025 0 83to1 7 a pe prope p as n 59 4 49 2 a PE 44 6 48 8 E E IE 201038 14t026 Blue ERECTA 52 2 72 6 79 4 88 1 51 8 os ze pe es ra m os us fo Low n s sz v eo Pos aa w e w rs o a es ss s wo rez KR DEE Ea EXE sees eos onec me m 14 s usos ez m we a os lu eje eje mme mper a gt ER EXE ER IHE EON fio mofo e mo 20 to 38 1 4 to 2 6 Blue EZE 94 2 98 5 96 5 o s sr jejejejeje cem Ea EM 3 48 6 52 1 58 2 59 ES ss KER 2 n 3 12 MN EXE ceps EG 4n o u e TEN EN HEM gt 1 23 8 HER EN o 2 2 s a 1 continued 14 Bulletin 71 4 MR98
47. ute L min Types MR98HH and MR98HHD with Elastomer Diaphragm continued NOMINAL SPRING RELIEF RELIEF PRESSURE PRESSURE BUILD UP OVER RELIEF SETTING psig bar poe PRESSURE RANGE SETTING 30 2 1 35 2 4 4012 8 50 3 4 7515 2 100 6 9 In DN 150 to o 150 to o 3 4 and 1 20 and 25 l min S o q Co O A ro Eh 5 o 3 A tE Shaded areas show where maximum inlet pressures are exceeded 32 Bulletin 71 4 MR98 Table 18 Water Relief Capacities in Gallons per Minute L min Types MR98HH and MR98HHD with Metal Diaphragm BODY PRESSURE RANGE SETTING MONTOS 10 0 69 15 1 0 2011 4 25117 SIZE i wo pi ba poo te Gm wmn Gem vom ce vmn cow ww oem wmm To ws a2 m1 e w2 O mo 7s mea 07 ro m pom as oe ss ws o om re ws ms aer som oan 20 es as es s2 wr os ms re 2s mor ss o om wa 2 ow ss m ss a 79 mo 9 o9 Lom mr as we ss pom o er wo 9 Lm x om om os pom 7 poe 82 om moa m oe om ome m om oem ow ow ms ws 29 Lm om cos mo ro es oem o os vo na er sang te toa 20 oe cm as o2 o2 on s2 oa oa 9 e ns 269 oso wa e e ee 2 we ova ns ns s ur om mr o o o os wr e oe 9 so Tas om e o os ox ns es es m cor Lm ws ow we n ss mo oe ms e m or Lm om s w
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