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MR95 Series

D103587X012

Instruction Manual

November 2013

www.fisherregulators.com

MR95 Series Pressure Regulators

TyPE MR95L

TyPE MR95H

Figure 1.

Typical MR95 Series Pressure Regulators

PRESSuRE REDuciNG REGuLaToRS

P1757

P1753

Содержание Fisher MR95 Series

Страница 1: ...ual November 2013 www fisherregulators com MR95 Series Pressure Regulators TyPE MR95L TyPE MR95H Figure 1 Typical MR95 Series Pressure Regulators TyPE MR95L TyPE MR95L TyPE MR95L TyPE MR95L TyPE MR95H PRESSuRE REDuciNG REGuLaToRS P1757 P1753 ...

Страница 2: ... 2004 Metal Seats Class IV Elastomer Seats Class VI or better PTFE Class IV 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded 2 Pressure and or the body end connection may decrease these maximum temperatures 3 Fluorocarbon FKM is limited to 200 F 93 C hot water Monel is a mark owned by Special Metals Corporation Haste...

Страница 3: ...R95 Series regulators are shown in Figure 1 Pressure Reducing Regulators Type MR95L Pressure reducing regulator suitable for controlling many gases and liquids Gray Cast Iron Steel Stainless steel Hastelloy C and Monel bodies are available Outlet pressure range is from 2 to 30 psig 0 14 and 2 1 bar with three different springs available Body sizes are available from 1 4 NPT through 1 inch DN 25 wi...

Страница 4: ...L VIEW OF 3 4 TO 2 INCH DN 20 TO 50 TYPE MR95H WITH EXTERNAL PRESSURE REGISTRATION ALSO TYPICAL OF TYPE MR95L 1 2 TO 2 INCH DN 15 TO 50 BODY SIZES Principle of Operation For Types MR95H MR95L MR95HP and MR95HT Pressure Reducing Regulators Types MR95L MR95H MR95HP and MR95HT see Figure 2 are direct operated regulators and use spring force to regulate outlet pressure Downstream pressure is registere...

Страница 5: ...pressure between the loading supply pressure and the downstream pressure of the regulator See Figure 2 The design of the regulator isolates the diaphragm and pressure response chamber from the main flow stream The downstream pressure outlet pressure is registered under the diaphragm through the pitot tube or registration hole If the downstream pressure increases pressure under the diaphragm also i...

Страница 6: ... CL150 RF Welded CL300 RF Welded PN 16 25 40 RF With Gauge Port but Without Control Line NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 40 RF 1 inch DN 25 Without Control Line and Gauge Port NPT SWE Welded CL150 RF Welded CL300 RF Welded PN 16 25 40 RF With Control Line but Without Gauge Port NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 40 RF With Gauge Port but Without Control Line NP...

Страница 7: ... Welded PN 16 25 40 RF With Control Line but Without Gauge Port NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 60 RF With Gauge Port but Without Control Line NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 60 RF 1 inch DN 25 Without Gauge Port and Control Line NPT SWE Welded CL150 RF Welded CL300 RF Welded CL600 RF Welded PN 16 25 40 RF Integral CL150 RF Integral CL300 RF Integral CL600 R...

Страница 8: ...0 RF Welded CL300 RF Welded PN 16 25 40 RF 2 inch DN 50 Without Gauge Port and Control Line NPT SWE Welded CL150 RF Welded CL300 RF Welded CL600 RF Welded PN 16 25 40 RF Integral CL150 RF Integral CL300 RF Integral CL600 RF Integral PN 16 25 40 RF With Control Line but Without Gauge Port NPT Welded CL150 RF Welded CL300 RF Welded PN 16 25 40 RF With Gauge Port but Without Control Line NPT Welded C...

Страница 9: ...1 7 to 5 2 0 375 9 53 3 88 98 6 Stainless steel 1K762537022 Unpainted 70 to 150 4 8 to 10 3 0 437 11 1 4 00 102 Stainless steel 11A8269X012 Unpainted 1 1 2 and 2 40 and 50 5 to 80 0 34 to 5 5 0 500 12 7 6 50 165 Powder coated steel ERCA04290A0 Black with Light Blue Stripe 60 to 120 4 1 to 8 3 0 562 14 3 6 56 167 Powder coated steel ERAA01893A0 Light Gray 100 to 140 6 9 to 9 7 0 594 15 1 6 56 167 E...

Страница 10: ...Steel 1000 68 9 600 41 4 300 20 7 LCC Steel 1000 68 9 600 41 4 300 20 7 CF8M Stainless Steel 1000 68 9 550 37 9 300 20 7 CF3M Stainless Steel 1000 68 9 550 37 9 300 20 7 Monel 4 1000 68 9 550 37 9 300 20 7 Hastelloy C 4 1000 68 9 550 37 9 300 20 7 Aluminum Bronze 4 1000 68 9 550 37 9 300 20 7 MR95HT 1 4 NPT and 1 2 to 1 inch DN 15 to 25 WCC Steel 600 41 4 600 41 4 300 20 7 LCC Steel 600 41 4 600 4...

Страница 11: ...nings against entrance of rain snow insects or any other foreign material that may plug the spring case vent or vent line Before installing the regulator Unpack the regulator and remove the protective shipping plugs from the end connections of the body and the pressure connection in the spring case Check the regulator and make sure it has not been damaged or collected foreign material during shipp...

Страница 12: ...artup Note The Specifications section and Tables 3 and 4 show the maximum inlet the differential and the outlet pressures for specific constructions Use pressure gauges to monitor inlet pressure outlet pressure and any loading pressure during startup 1 Check that proper installation is completed and downstream equipment has been properly adjusted 2 Make sure all block and vent valves are closed 3 ...

Страница 13: ...gulator Maintenance Warning To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of accumulated gas do not attempt any maintenance or disassembly without first isolating the regulator from system pressure and relieving all internal pressure from the regulator To avoid possible personal injury from spring or pressure loaded actuator make cer...

Страница 14: ...hragm When the regulator does not respond to differential or downstream pressure changes if fluid leaks or vents to the spring case pressure reducing regulators or the loading pressure seems to leak to the downstream piping differential pressure regulators the diaphragm could be worn out or ruptured Inspect replace the diaphragm as follows caution Metal diaphragms have thin sharp edges To avoid ha...

Страница 15: ...pection of the diaphragm key 12 and two small diaphragm gaskets key 29 or O ring key 45 Remove the locknut key 31 from the pusher post key 10 and separate the assembly An O ring is used to seal around the pusher post if an elastomer diaphragm is used and the gaskets are used with stainless steel diaphragm s 8 Remove the stem assembly key 6 except for regulator with 1 4 NPT body size Inspect the O ...

Страница 16: ...ds the body See Figure 2 as reference 11 Reassemble in the reverse of the above procedures Lubricate the upper spring seat key 9 and the exposed threads of the adjusting screw key 15 with anti seize lubricant Install the cap screws key 16 in a crisscross pattern and tighten to finger tight only 12 To ensure proper slack in the diaphragm install the adjusting screw key 15 for Types MR95L MR95H MR95...

Страница 17: ...63 not all parts are used for all types continued Type MR95HT Stainless Diaphragm and Plug 1 4 NPT Body RMR95HTX012 1 2 inch DN 15 Body RMR95HTX022 3 4 and 1 inch DN 20 and 25 Body RMR95HTX032 1 1 2 and 2 inch DN 40 and 50 Body RMR95HTX042 1 Body See Following Tables 2 Spring Case See Following Tables 3 Orifice Metal to metal seat Types MR95L MR95LD MR95H and MR95HD 1 4 NPT Body Size 416 Stainless...

Страница 18: ...y Types MR95L MR95LD MR95H and MR95HD 1 4 NPT Body Size 416 Stainless Steel Oxygen Service ERCA00638A0 316 Stainless Steel Standard ERCA00638A4 NACE 1 Types MR95L and MR95H only ERCA00638A1 Hastelloy C ERCA00638A3 Monel ERCA00638A2 1 2 inch DN 15 Body Size 416 Stainless Steel Without control line Oxygen service ERCA00639A0 With control line ERAA01904A0 316 Stainless Steel Standard ERCA00639A4 NACE...

Страница 19: ...R95HP and MR95HT continued 1 1 2 and 2 inch DN 40 and 50 Body Sizes Steel 1P787624092 Stainless Steel 1P7876X0012 10 Pusher Post 1 1 2 and 2 inch DN 40 and 50 Body Sizes only Metal to metal seat 416 Stainless Steel Types MR95H MR95HD and MR95HP only GF05509X022 316 Stainless Steel Types MR95H MR95HD and MR95HP only GF05509X032 Hastelloy C Types MR95H and MR95HD only GF05509X052 Monel Types MR95H a...

Страница 20: ...MR95H MR95HT and MR95HD 1 4 NPT Body Size 1E3931X0012 1 2 inch DN 15 Body Size ERCA00485A1 3 4 and 1 inch DN 20 and 25 Body Sizes ERCA00510A1 1 1 2 and 2 inch DN 40 and 50 Body Sizes ERCA00526A1 19 Diaphragm Gasket continued 2 required for pressure loaded spring case continued For Stainless Steel Oxygen Service Diaphragm Type MR95L 1 4 NPT Body Size ERCA00655A2 1 2 inch DN 15 Body Size ERCA00491A2...

Страница 21: ...3A1 36 Packing 3 required 1 4 NPT Body Size ERAA01634A0 1 2 to 2 inch DN 15 to 50 Body Sizes ERAA01657A0 37 Stuff Box Gasket 1 4 NPT Body Size ERAA01635A0 1 2 to 2 inch DN 15 to 50 Body Sizes 1P494106242 38 Handwheel Handle Handwheel Adjustment 1 4 NPT Body Size ERAA01636A0 1 2 to 1 inch DN 15 to 25 Body Sizes ERAA01669A0 1 1 2 and 2 inch DN 40 and 50 Body Sizes 1J410819042 Handwheel Adjustment wi...

Страница 22: ...A00596A0 ERCA00596A3 ERCA00596A2 ERCA00596A1 Welded PN 16 25 40 RF ERCA03686A0 ERCA03686A2 ERCA03686A1 1 inch DN 25 Without Gauge Port but With Control Line NPT ERAA02140A1 ERAA02140A4 ERAA02140A3 ERAA02140A2 Welded CL150 RF ERAA02141A0 ERAA02141A3 ERAA02141A2 ERAA02141A1 Welded CL300 RF ERAA02142A0 ERAA02142A3 ERAA02142A2 ERAA02142A1 Welded PN 16 25 40 RF ERAA02143A0 ERAA02143A2 ERAA02143A1 1 inc...

Страница 23: ...9A3 ERAA01749A2 ERAA01749A1 Welded PN 16 25 40 RF ERCA00589A0 ERCA00589A2 ERCA00589A1 3 4 inch DN 20 Without Gauge Port but With Control Line NPT ERCA00536A1 ERCA00536A5 ERCA00536A4 ERCA00536A3 Welded CL150 RF ERCA00582A0 ERCA00582A3 ERCA00582A2 ERCA00582A1 Welded CL300 RF ERCA00586A0 ERCA00586A3 ERCA00586A2 ERCA00586A1 Welded PN 16 25 60 RF ERCA00590A0 ERCA00590A2 ERCA00590A1 3 4 inch DN 20 With ...

Страница 24: ...CL300 RF ERAA02150A0 ERAA02150A3 ERAA02150A2 ERAA02150A1 Welded PN 16 25 40 RF ERAA02151A0 ERAA02151A2 ERAA02151A1 1 1 2 inch DN 40 Without Gauge Port and Con trol Line NPT ERCA01591A0 2 GF05411X022 GF05411X082 GF05411X052 GF05411X042 GF05411X062 GF05411X072 SWE GF05413X022 GF05413X062 GF05413X052 GF05413X042 Welded CL150 RF ERAA01760A0 ERAA01760A3 ERAA01760A2 ERAA01760A1 Welded CL300 RF ERAA01761...

Страница 25: ...h that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring SEALED ADJUSTING SCREW OPTION TEE HANDLE OPTION COMPOSITE SEAT OPTION CONTROL LINE OPTION METAL DIAPHRAGM OPTION 50 22 4B 4A 6B 52 6C 6A 12 18 18 13 64 19 L2 17 12 1 20 6 9 L2 15...

Страница 26: ...st be selected such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring CONTROL LINE OPTION COMPOSITE SEAT OPTION METAL DIAPHRAGM OPTION L3 L1 L2 L1 21B 16 7 6 4 26 5 44 41 35 39 43 37 L2 33 L2 9 L2 L1 L4 3 11 21A 12 1 63 20 38 34 3...

Страница 27: ...anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring 4 Apply L4 graphite sealant instead of L2 anti seize compound on keys 3 and 5 for Type MR95HT SEALED ADJUSTING SCREW OPTION METAL DIAPHRAGM OPTION CONTROL LINE OPTION COMPOSITE SEAT OPTION TEE HANDLE OPTION HP OPTION L1 L4 L1 L1 L2 50 ...

Страница 28: ...pound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring 4 Apply L4 graphite sealant instead of L2 anti seize compound on keys 3 and 5 for Type MR95HT 15 L2 45 L1 5 2 17 13 64 18 18 10 51 8 16 12 1 20 6 27 11 31 28 21 7 4 26 3 L2 L2 2 9 L2 63 L1 L4 29 19 12 METAL DIAPHRAGM OPTION 6B L1 6A 52 CONTROL LINE ...

Страница 29: ...ted such that they meet the temperature requirements 2 Apply L2 anti seize compound on key 16 for stainless steel bolts 3 Apply L4 graphite sealant instead of L1 general purpose PTFE or lithium grease on key 63 for graphite ring L2 L2 L1 19 41 33 L3 36 L1 37 11 2 16 7 4 26 63 L2 L1 L4 3 L2 5 43 32 38 44 35 34 39 40 42 9 8 12 1 20 6 12 52 6C 6A 6B 4B 4A 18 18 64 13 METAL DIAPHRAGM OPTION CONTROL LI...

Страница 30: ... Steel CF8M Stainless Steel Monel Hastelloy C MR95L 1 4 NPT Drilled Hole Standard ERCA03546A0 ERCA02874A0 2 ERCA02874A3 2 ERCA02874A2 1 1 4 NPT Vent ERCA00609A1 ERAA01872A2 2 ERAA01872A4 2 ERAA01872A3 1 1 2 15 Drilled Hole Standard ERCA03564A0 ERCA02883A0 2 ERCA02883A3 2 ERCA02883A2 1 1 4 NPT Vent ERCA00615A0 ERAA01885A0 2 ERAA01885A4 2 ERAA01885A1 1 ERAA01885A2 1 ERAA01885A3 1 3 4 and 1 20 and 25...

Страница 31: ...A2 1 ERAA01905A2 2 ERAA01892A2 1 ERCA00637B1 2 416 Stainless Steel ERAA01901A3 ERAA01905A3 ERAA01892A3 ERCA00637B0 Perfluoroelastomer FFKM Seat MR95L MR95LD MR95H and MR95HD 316 Stainless Steel ERCA00634B9 ERCA00635B9 ERCA00636B9 ERCA00637B9 Polytetrafluoroethylene PTFE Seat MR95L MR95LD MR95H and MR95HD Brass ERCA00634B4 ERCA00635B4 ERCA00636B4 ERCA00637B4 316 Stainless Steel ERCA00634B6 ERCA0063...

Страница 32: ...ll 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...

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