Emerson Fisher MR95 Series Instruction Manual
Pressure regulators
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Also See for Fisher MR95 Series:
- Installation manual (4 pages) ,
- Instruction manual (33 pages) ,
- Instruction manual (20 pages)
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Summary of Contents for Emerson Fisher MR95 Series
- Page 1 Instruction Manual MR95 Series D103587X012 June 2020 MR95 Series Pressure Regulators TYPE MR95L TYPE MR95H PRESSURE REDUCING REGULATORS Figure 1. Typical MR95 Series Pressure Regulators...
- Page 2 2. Pressure and/or the body end connection may decrease these maximum temperatures. 3. Special low temperature constructions for process temperatures between -76 to 104°F / -60 to 40°C are available by request. The low temperature construction passed Emerson laboratory testing for lockup and external leakage down to -76°F / -60°C.
- Page 3 MR95 Series Specifications (continued) Approximate Weights MR95L Series: MR95H Series: 1/4 NPT body: 7 lbs / 3.2 kg 1/4 NPT body: 5 lbs / 2.3 kg 1/2 in. / DN 15 body: 15 lbs / 6.8 kg 1/2 in. / DN 15 body: 10 lbs / 4.5 kg 3/4 and 1 in.
- Page 4 MR95 Series Table 2. Types MR95H, MR95HD, MR95HDP, MR95HT and MR95HP Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION 1/4 NPT Without Gauge Port and Control Line Welded CL150 RF Welded CL300 RF Welded CL600 RF Without Control Line and Gauge Port Welded PN 16/25/40 RF Integral CL150 RF Integral CL300 RF...
- Page 5 MR95 Series Table 2. Types MR95H, MR95HD, MR95HDP, MR95HT and MR95HP Regulators Body Constructions (continued) BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION Welded CL150 RF With Control Line but Without Gauge Port Welded CL300 RF Welded PN 16/25/40 RF 1 in.
- Page 6 MR95 Series Table 3. MR95 Series Outlet and Differential Pressure Ranges and Spring Information OUTLET OR DIFFERENTIAL SPRING WIRE SPRING FREE BODY SIZE PRESSURE RANGE DIAMETER LENGTH SPRING SPRING PART SPRING TYPE MATERIAL NUMBER COLOR psi/psig 2 to 6 0.14 to 0.41 0.148 3.76 2.00...
- Page 7 MR95 Series Table 4. Maximum Cold Working Pressures of Body Size and Material (1)(2) MAXIMUM SPRING CASE MAXIMUM INLET PRESSURE MAXIMUM OUTLET PRESSURE PRESSURE TYPE BODY SIZE BODY MATERIAL psig psig psig Gray cast iron 17.2 WCC Steel 20.7 LCC Steel 20.7 MR95L and MR95LD All available sizes...
- Page 8 4. Meets API 614 requirements (with Stainless steel trim). 5. Special low temperature constructions for process temperatures between -76 to 104°F / -60 to 40°C are available by request. The low temperature construction passed Emerson laboratory testing for lockup and external leakage down to -76°F / -60°C.
- Page 9 2 to with federal, state and local codes, rules 150 psi / 3.4 to 10.3 bar. and regulations and Emerson Process See Tables 1 through 6 for detailed breakdown of the Management Regulator Technologies, various construction offerings.
- Page 10 MR95 Series ADJUSTING SCREW CONTROL SPRING DIAPHRAGM PITOT TUBE STEM VALVE PLUG CONTROL LINE TAP M1232_08/2013 M1231_08/2013 M1231_08/2013 FRONT AND INTERNAL VIEW OF BACK VIEW OF SIDE AND INTERNAL VIEW OF TYPE MR95H WITH INTERNAL 1/2 IN. / DN 15 TYPE MR95H 3/4 TO 2 IN.
- Page 11 MR95 Series HANDWHEEL PRESSURE A* (SPRING CASE LOADING PRESSURE) CONTROL SPRING DIAPHRAGM PRESSURE A* SPRING SETTING = PITOT TUBE PRESSURE B STEM PRESSURE B (OUTLET PRESSURE) CONTROL LINE TAP ORIFICE VALVE PLUG M1234_08/2013 M1233_08/2013 FRONT AND INTERNAL VIEW OF TYPES MR95HD AND MR95HDP BACK VIEW OF TYPES MR95HD AND MR95HDP WITH INTERNAL PRESSURE REGISTRATION WITH EXTERNAL PRESSURE REGISTRATION...
- Page 12 MR95 Series All pressure equipment should be installed To avoid such injury or damage, provide in a non-seismic area; should not be pressure-relieving or pressure-limiting exposed to fire; and should be protected devices to prevent service conditions from from thunderbolt (lightning) strikes. exceeding those limits.
- Page 13 Types MR95LD, MR95HD and MR95HDP service. Only parts manufactured by Emerson should be used for repairing Key numbers are referenced in Figure 7 or 10. Fisher regulators. ™...
- Page 14 MR95 Series Due to normal wear that may occur, inspect the 3. Follow the Startup section to repressurize parts periodically and replace if necessary. The the regulator. frequency of inspection depends on the severity of 4. Refer to the Replacement of Diaphragm section service conditions or the requirements of state and as needed.
- Page 15 MR95 Series GASKET (KEY 19) DIAPHRAGM (KEY 12) DIAPHRAGM (KEY 12) GASKET (KEY 19) GASKET (KEY 19) TYPES MR95L AND MR95H METAL DIAPHRAGM TYPES MR95LD, MR95HD AND MR95HDP METAL DIAPHRAGM Figure 4. Diaphragm Assembly for MR95 Series with 1/4 NPT and 1/2 to 1 in. / DN 15 to 25 Body Sizes LOCKNUT (KEY 31) LOCKNUT (KEY 31) LOCK WASHER (KEY 28)
- Page 16 MR95 Series Table 9. Torque Specifications BODY SIZE SPRING CASE BOLT ORIFICE PLUG GUIDE (1)(2) Ft-Lb N•m Ft-Lb N•m Ft-Lb N•m - - - - 6 to 8 8 to 11 6 to 8 8 to 11 50 to 58 68 to 79 10 to 13 13 to 18...
- Page 17 MR95 Series Parts Ordering Description Part Number Parts Kit (included are keys 3, 4, 12, 19, 29, When corresponding with your local Sales Office about 45 and 63; not all parts are used for all types) (continued) this equipment, always reference the equipment serial Type MR95HT, Stainless Diaphragm and Plug number or FS number that can be found on 3/4 and 1 in.
- Page 18 MR95 Series Description Part Number Description Part Number Orifice (continued) Stem/Stem Assembly (continued) Composition seat (continued) Types MR95L, MR95LD, MR95H Type MR95HP MR95HD and MR95HDP (continued) 1/4 NPT Body Size 1/2 in. / DN 15 Body Size 316 Stainless steel, NACE GF05038X032 416 Stainless steel 416 Stainless steel...
- Page 19 MR95 Series Description Part Number Description Part Number Stem/Stem Assembly (continued) Upper Spring Seat, NACE (continued) Type MR95HP (continued) Types MR95L, MR95LD, MR95H, 1-1/2 and 2 in. / DN 40 and 50 Body sizes MR95HD and MR95HDP (continued) 416 Stainless steel 1-1/2 and 2 in.
- Page 20 MR95 Series Description Part Number Description Part Number Cap Screw, NACE (continued) Diaphragm Gasket (continued) (1)(2) Types MR95L and MR95LD (continued) (2 required for pressure loaded spring case) (continued) For 302 Stainless steel Steam Service, Monel 1/2 in. / DN 15 Body Size ®...
- Page 21 MR95 Series Description Part Number Description Part Number Adjusting Screw Assembly Stuff Box Gasket Tee Handle Adjustment 1/4 NPT Body Size ERAA01635A0 1/2 to 2 in. / DN 15 to 50 Body sizes 1P494106242 1/4 NPT Body Size, NACE ERAA01707A0 (1)(2) 3/4 and 1 in.
- Page 22 MR95 Series Key 1, Types MR95L and MR95LD Regulator Body Part Numbers BODY MATERIAL BODY SIZE CF8M CF3M CONNECTION Gray Cast Iron WCC Steel LCC Steel Monel Hastelloy ®(1) ® Stainless steel Stainless steel 1/4 in. ERCA01629A0 GF04880X022 GF04880X062 GF04880X052 GF04880X042 - - - - - - - - - - - - - - - - - - - - - -...
- Page 23 MR95 Series Key 1, Types MR95H, MR95HD, MR95HDP, MR95HP and MR95HT Regulator Body Part Numbers BODY MATERIAL CF8M CF3M BODY SIZE Aluminum- CONNECTION Gray Cast Iron WCC Steel LCC Steel Stainless Stainless Monel Hastelloy ®(1) ® Bronze steel steel 1/4 in. ERCA01628A0 GF04858X022 GF04858X062...
- Page 24 MR95 Series Key 1, Types MR95H, MR95HD, MR95HDP, MR95HP and MR95HT Regulator Body Part Numbers BODY MATERIAL CF8M CF3M BODY SIZE Aluminum- CONNECTION Gray Cast Iron WCC Steel LCC Steel Stainless Stainless Monel Hastelloy ®(1) ® Bronze Steel steel ERCA01563A0 GF05235X022 GF05235X082 GF05235X052...
- Page 25 MR95 Series Key 1, Types MR95H, MR95HD, MR95HDP, MR95HP and MR95HT Regulator Body Part Numbers BODY MATERIAL BODY SIZE CF8M Stainless CF3M Stainless Aluminum- CONNECTION Gray Cast Iron WCC Steel LCC Steel Monel Hastelloy ®(1) ® steel steel Bronze ERCA01590A0 GF05290X022 GF05290X082 GF05290X052...
- Page 26 MR95 Series Key 3, Reduced Orifice Part Numbers BODY SIZE ORIFICE MATERIAL SEAT TYPE 416 Stainless 316 Stainless Brass Monel Hastelloy ®(1) ® steel steel ERAA07702A0 ERAA07702A1 ERAA07702A2 ERAA07702A3 ERAA07702A4 ERAA07695A0 ERAA07695A1 ERAA07695A2 ERAA07695A3 ERAA07695A4 Composition seat 3/4 to 1 20 to 25 ERAA07700A0 ERAA07700A1...
- Page 27 MR95 Series Key 12*, Composition Diaphragm, NACE MR0175-2002 and NACE MR0103 BODY SIZE DIAPHRAGM MATERIAL TYPE Fluorocarbon (FKM) Neoprene (CR) Ethylenepropylene (EPDM) (2 required) 1/4 NPT - - - - ERCA00675A0 ERCA00675A1 ERCA00675A2 MR95L and MR95LD ERCA00509A0 ERCA00509A1 ERCA00509A2 3/4 and 1 20 and 25 ERCA00599A0 ERCA00599A1...
- Page 28 MR95 Series SEALED ADJUSTING SCREW OPTION TEE-HANDLE OPTION COMPOSITE SEAT OPTION CONTROL LINE OPTION METAL DIAPHRAGM OPTION GF04915 APPLY LUBRICANT OR SEALANT T = THREAD LOCKER L1 = GENERAL PURPOSE PTFE OR LITHIUM GREASE L2 = ANTI-SEIZE COMPOUND L4 = GRAPHITE SEALANT 1.
- Page 29 MR95 Series CONTROL LINE OPTION COMPOSITE SEAT OPTION METAL DIAPHRAGM OPTION GF04919 APPLY LUBRICANT OR SEALANT T = THREAD LOCKER L1 = GENERAL PURPOSE PTFE OR LITHIUM GREASE L2 = ANTI-SEIZE COMPOUND L3 = SILICONE GREASE L4 = GRAPHITE SEALANT 1.
- Page 30 MR95 Series TEE-HANDLE OPTION SEALED ADJUSTING SCREW OPTION HP OPTION COMPOSITE SEAT OPTION METAL DIAPHRAGM OPTION CONTROL LINE OPTION GF04914 APPLY LUBRICANT OR SEALANT L1 = GENERAL PURPOSE PTFE OR LITHIUM GREASE L2 = ANTI-SEIZE COMPOUND L4 = GRAPHITE SEALANT 1.
- Page 31 MR95 Series 22 L2 SEALED ADJUSTING TEE-HANDLE SCREW OPTION OPTION METAL DIAPHRAGM OPTION 27B L1 HP OPTION COMPOSITION SEAT OPTION CONTROL LINE OPTION GF04500 APPLY LUBRICANT OR SEALANT L1 = GENERAL PURPOSE PTFE OR LITHIUM GREASE L2 = ANTI-SEIZE COMPOUND L4 = GRAPHITE SEALANT 1.
- Page 32 Technologies, Inc. All rights reserved. 06/20. Emerson Automation Solutions 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...
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