Emerson MR95 Series Instruction Manual
Pressure regulators ad2000 compliant
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- Installation manual (4 pages) ,
- Instruction manual (33 pages) ,
- Instruction manual (32 pages)
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Summary of Contents for Emerson MR95 Series
- Page 1 Instruction Manual MR95 Series - AD2000 Compliant D104606X012 October 2021 MR95 Series Pressure Regulators AD2000 Compliant TYPE MR95H WITH FLANGE END CONNECTION TYPE MR95H PRESSURE REDUCING REGULATORS Figure 1. Typical MR95 Series Pressure Regulators...
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Page 2: Specifications
MR95 Series - AD2000 Compliant 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. - Page 3 MR95 Series - AD2000 Compliant Table 1. Types MR95H, MR95HT and MR95HP Regulators Body Constructions BODY MATERIAL BODY SIZE BODY CONSTRUCTION END CONNECTION 1.4408 Stainless Steel G Thread Welded CL150 RF Welded CL300 RF Welded CL600 RF Without Control Line and Gauge Port...
- Page 4 - 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, NACE MR0103 and NACE MR0175/ISO 15156. Table 2. MR95 Series Outlet Pressure Ranges and Spring Information OUTLET...
- Page 5 18.1 35.00 38.7 0.88 0.945 0.65 0.94 Table 6. Relief Sizing Coefficients for MR95 Series Regulators with Reduced Flow Orifices WIDE-OPEN COEFFICIENT FOR WIDE-OPEN COEFFICIENT FOR LEGACY BODY SIZE MR95 SERIES REDUCED FLOW OPTION 95 SERIES 20 and 25 3/4 and 1...
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Page 6: Principle Of Operation
MR95 Series - AD2000 Compliant Product Description ▲ WARNING The MR95 Series pressure reducing and differential Failure to follow these instructions or pressure regulators are suitable for multiple fluid to properly install and maintain this mediums including liquid, gas, air and steam services. - Page 7 PRESSURE REGISTRATION WITH EXTERNAL TYPE MR95H WITH EXTERNAL PRESSURE REGISTRATION PRESSURE REGISTRATION INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE SPRING METAL DIAPHRAGMS GASKET M1231_08/2013 TYPE MR95H WITH 2 METAL DIAPHRAGMS (ALSO TYPICAL OF TYPE MR95HT) Figure 2. MR95 Series Operational Schematics...
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Page 8: Installation
MR95 Series - AD2000 Compliant Installation ▲ WARNING Personal injury or system damage may result if this regulator is installed, without appropriate overpressure BLOCK VALVE protection, where service conditions could exceed the limits given in the Specifications section and/or regulator nameplate. - Page 9 Startup All MR95 Series regulator springs can be backed off Note to provide zero outlet. Recommended outlet pressure ranges available, maximum inlet pressures and color...
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Page 10: Maintenance
Retorquing of spring case cap screws may be conditions or the requirement of local, necessary for some MR95 Series regulators after a state and federal rules and regulations. period of use. Retorque the cap screws as follows: Due to normal wear that may occur, inspect the 1. - Page 11 MR95 Series - AD2000 Compliant Replacement of Diaphragm pusher post (key 10) and separate the assembly. An O-ring is used to seal around the pusher post if When the regulator does not respond to downstream an elastomer diaphragm is used and the gaskets pressure changes, if fluid leaks or vents to the spring are used with stainless steel diaphragm(s).
- Page 12 MR95 Series - AD2000 Compliant DIAPHRAGM (KEY 12) GASKET (KEY 19) TYPE MR95H METAL DIAPHRAGM Figure 4. Diaphragm Assembly for MR95 Series with DN 15 to 25 / 1/2 to 1 in. Body Sizes LOCKNUT (KEY 31) LOCKNUT (KEY 31) LOCK WASHER (KEY 28)
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Page 13: Parts Ordering
MR95 Series - AD2000 Compliant travel of the valve plug (key 4). Finish tightening Description Part Number the cap screws (key 16). See Table 8 for proper Orifice Metal-to-metal seat torque values. Type MR95H DN 15 / 1/2 in. Body size 13. - Page 14 MR95 Series - AD2000 Compliant Description Part Number Description Part Number Stem/Stem Assembly Stem - - - - - - - - - - - Type MR95H Pusher Plate (DN 15 to 25 / DN 15 / 1/2 in. Body Size 1/2 to 1 in.
- Page 15 MR95 Series - AD2000 Compliant Description Part Number Description Part Number Jam Nut, NACE Locknut, Steel, DN 40 to 50 / 1-1/2 to 2 in. only 1P788724122 (1)(2) Sealed Stainless Steel Square Head Adjustment NACE Tag - - - - - - - - - - - DN 15 / 1/2 in.
- Page 16 MR95 Series - AD2000 Compliant Key 1, Types MR95H, MR95HP and MR95HT Regulator Body Part Numbers BODY MATERIAL BODY SIZE END CONNECTION 1.4408 Stainless steel G Thread ERAA50402A0 DN 15 / 1/2 in. Without Control Line Integral PN 16/25/40 RF ERAA50401A0 DN 15 / 1/2 in.
- Page 17 MR95 Series - AD2000 Compliant Key 4, Valve Plug, Metal Seat BODY SIZE, DN / IN. TYPE MATERIAL 15 / 1/2 20 and 25 / 3/4 and 1 40 and 50 / 1-1/2 and 2 416 Stainless steel ERCA00287A0 GF05476X022...
- Page 18 MR95 Series - AD2000 Compliant 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 19 MR95 Series - AD2000 Compliant SEALED ADJUSTING SCREW 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 20 Technologies, Inc. All rights reserved. 10/21. McKinney, Texas 75070 USA Singapore 128461, Singapore The Emerson logo is a trademark and service mark of Emerson T +1 800 558 5853 T +65 6777 8211 Electric Co. All other marks are the property of their prospective owners.