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Type MR95H Regulator
(Figure 10) (continued)
Key
Description
2
Spring Case
Drilled Hole
Cast iron
WCC Steel (NACE)
LCC Steel (NACE)
CF8M Stainless steel (NACE)
1/4 NPT Vent
Cast iron
WCC Steel (NACE)
LCC Steel (NACE)
CF8M Stainless steel (NACE)
3*
Orifice
Metal-to-metal seat
416 Stainless Steel
316 Stainless Steel
Hastelloy
C
®
Monel
®
Composition seat
Brass, Oxygen Service
316 Stainless steel, NACE
416 Stainless steel
Monel
®
4*
Valve Plug, Metal seat
416 Stainless steel
316 Stainless steel
Hastelloy
C
®
Monel
®
4*
Disk Holder Assembly, Composition seat
Nitrile (NBR) Seat
416 Stainless steel
316 Stainless steel
(1)
Fluorocarbon (FKM) Seat
416 Stainless steel
316 Stainless steel
(1)
Perfluoroelastomer (FFKM) Seat
316 Stainless steel
Polytetrafluoroethylene (PTFE) Seat
416 Stainless steel
316 Stainless steel
Ethylenepropylene (EPDM) Seat
416 Stainless steel
4a
Disk Holder
4b
Disk
5
Valve Plug Guide
Brass, Oxygen Service
416 Stainless steel
316 Stainless steel, NACE
Hastelloy
C
®
Monel
®
6
Stem/Stem Assembly
416 Stainless steel, Oxygen Service
316 Stainless steel
Standard
NACE
(1)
Hastelloy
C
®
Monel
®
6a
Stem
6b
Pusher Plate
*Recommended spare part.
1. NACE MR0175-2002 and MR0103.
2. Part meets NACE requirements only for applications in which the part is not exposed to sour gas.
Inconel
®
and Monel
®
are marks owned by Special Metals Corporation.
Hastelloy
®
C is a mark owned by Haynes International, Inc.
Part Number
ERCA03544A0
ERCA02872A0
ERCA02872A3
ERCA02872A2
ERCA00610A1
ERAA01873A2
ERAA01873A4
ERAA01873A3
GF04856X022
GF04856X032
GF04856X052
GF04856X042
GF05038X012
GF05038X032
(1)
GF05038X022
GF05038X042
ERCA00360A0
ERCA00360A1
ERCA00360A3
ERCA00360A2
ERCA00634A4
ERCA00634A5
ERCA00634B0
ERCA00634B1
ERCA00634B9
ERCA00634B5
ERCA00634B6
ERCA00634A7
- - - - - - - - - - -
- - - - - - - - - - -
GF05490X012
GF05490X022
GF05490X032
(1)
GF05490X052
GF05490X042
ERCA00638A0
ERCA00638A4
ERCA00638A1
ERCA00638A3
ERCA00638A2
- - - - - - - - - - -
- - - - - - - - - - -
Key
Description
7
Stem Guide Bushing
416 Stainless steel, Oxygen Service
316 Stainless steel, NACE
Hastelloy
C
®
Monel
®
8
Lower Spring Seat, NACE
Aluminum
(2)
Stainless steel
9
Upper Spring Seat, NACE
Steel
(2)
Stainless steel
11
Control Spring, 15 to 30 psi / 1.0 to 2.1 bar, NACE
12* Diaphragm
Composition Diaphragm
Neoprene (CR)
Fluorocarbon (FKM)
EPDM (2 required)
Metal diaphragm (2 required)
302 Stainless steel
302 Stainless steel (Oxygen Service)
Monel
®
Hastelloy
C
®
14* Diaphragm Protector, PTFE, NACE
15
Adjusting Screw, NACE
(1)(2)
Square Head Adjustment
Stainless steel Square Head Adjustment
16
Cap Screw, NACE
(1)(2)
Steel (6 required)
Stainless steel (6 required)
17
Lock Nut, NACE
(1)(2)
Square Head Adjustment
Stainless steel Square Head Adjustment
Tee Handle Adjustment
18
Nameplate Drive Screw, Stainless steel
(4 required)
19* Diaphragm Gasket
For 302 Stainless steel Diaphragm
For 302 Stainless steel Steam Service, Monel
and Hastelloy
C Diaphragms
®
For Stainless steel Oxygen Service Diaphragm
20
Pitot Tube (for constructions without control line)
Copper, Oxygen Service
304 Stainless steel
316 Stainless steel, NACE
Hastelloy
C
®
Monel
®
26
Inner Valve Spring
302 Stainless steel, Oxygen Service
Inconel
, NACE
®
(1)
47
NACE Tag
48
Tag Wire
63* Bottom Plug Seal
Nitrile (NBR)
Perfluoroelastomer (FFKM)
Fluorocarbon (FKM)
Ethylenepropylene (EPDM)
Graphite
Type 1290
Part Number
ERCA03695A0
ERCA03695A1
(1)
ERCA03695A3
ERCA03695A2
(1)
1E392309012
1E3923X0012
(1)
ERCA00383A0
ERCA00383A1
1E392527022
(1)(2)
ERCA00672A0
ERCA00672A1
ERCA00672A2
ERCA00647A0
ERCA00647A1
ERCA00647A2
ERCA00647A3
11A5129X012
(1)
GF05533X012
GF05533X022
ERCA04149A0
ERCA04149A1
ERCA00652A0
ERCA00652A1
ERCA00652A0
ERAA01884A0
1E393104022
®
1E3931X0012
1E3931X0022
ERCA04393A0
ERCA04393A1
ERCA04393A2
(1)
ERCA04393A4
ERCA04393A3
ERCA04280A0
ERCA04281A0
- - - - - - - - - - -
- - - - - - - - - - -
ERCA03017A0
ERCA03017A3
ERCA03017A1
ERCA03017A2
ERCA02976A0
19
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