18
Type 1190
Type MR95H Regulator
(Figure 9) (continued)
Key Description
Part Number
6
Stem/Stem Assembly
416 Stainless steel, Oxygen Service
ERCA00638A0
316 Stainless steel
Standard
ERCA00638A4
NACE
(1)
ERCA00638A1
Hastelloy
®
C
ERCA00638A3
Monel
®
ERCA00638A2
6a
Stem
- - - - - - - - - - -
6b
Pusher Plate
- - - - - - - - - - -
7
Stem Guide Bushing
416 Stainless steel, Oxygen Service
ERCA03695A0
316 Stainless steel, NACE
(1)
ERCA03695A1
Hastelloy
®
C
ERCA03695A3
Monel
®
ERCA03695A2
8
Lower Spring Seat, NACE
(1)
Aluminum
(2)
1E392309012
Stainless steel
1E3923X0012
9
Upper Spring Seat, NACE
(1)
Steel
(2)
ERCA00383A0
Stainless steel
ERCA00383A1
11
Control Spring, 15 to 30 psi /
1.0 to 2.1 bar, NACE
(1)(2)
1E392527022
12* Diaphragm
Composition Diaphragm
Neoprene (CR)
ERCA00672A0
Fluorocarbon (FKM)
ERCA00672A1
EPDM (2 required)
ERCA00672A2
Metal diaphragm (2 required)
302 Stainless steel
ERCA00647A0
302 Stainless steel (Oxygen Service)
ERCA00647A1
Monel
®
ERCA00647A2
Hastelloy
®
C
ERCA00647A3
14* Diaphragm Protector, PTFE, NACE
(1)
11A5129X012
15
Adjusting Screw, NACE
(1)(2)
Square Head Adjustment
GF05533X012
Stainless steel Square Head Adjustment
GF05533X022
16
Cap Screw, NACE
(1)(2)
Steel (6 required)
ERCA04149A0
Stainless steel (6 required)
ERCA04149A1
17
Lock Nut, NACE
(1)(2)
Square Head Adjustment
ERCA00652A0
Stainless steel Square Head Adjustment
ERCA00652A1
Tee Handle Adjustment
ERCA00652A0
18
Nameplate Drive Screw, Stainless Steel
(4 required)
ERAA01884A0
19* Diaphragm Gasket
For 302 Stainless steel Diaphragm
1E393104022
For 302 Stainless steel Steam Service,
Monel
®
and Hastelloy
®
C Diaphragms
1E3931X0012
For Stainless steel Oxygen Service Diaphragm 1E3931X0022
20
Pitot Tube (for constructions without control line)
Copper, Oxygen Service
ERCA04393A0
304 Stainless steel
ERCA04393A1
316 Stainless steel, NACE
(1)
ERCA04393A2
Hastelloy
®
C
ERCA04393A4
Monel
®
ERCA04393A3
26
Inner Valve Spring
302 Stainless steel, Oxygen Service
ERCA04280A0
Inconel
®
, NACE
(1)
ERCA04281A0
47
NACE Tag
- - - - - - - - - - -
48
Tag Wire
- - - - - - - - - - -
63* Bottom Plug Seal
Nitrile (NBR)
ERCA03017A0
Perfluoroelastomer (FFKM)
ERCA03017A3
Fluorocarbon (FKM)
ERCA03017A1
EPDM
ERCA03017A2
Graphite
ERCA02976A0
Mounting Parts (Figure 10)
Key Description
Part Number
16 Pipe Tee
Zinc-plated steel
- - - - - - - - - - -
Stainless steel (NACE)
- - - - - - - - - - -
22 Tubing Elbow
Plated steel
- - - - - - - - - - -
Stainless steel (NACE)
- - - - - - - - - - -
24 Tubing
Steel
- - - - - - - - - - -
Stainless steel (NACE)
- - - - - - - - - - -
30 Mounting Bracket, Steel
- - - - - - - - - - -
31 Cap Screw, Zinc-plated steel (2 required)
- - - - - - - - - - -
32 Cap Screw, Zinc-plated steel (2 required)
- - - - - - - - - - -
35 Tubing Connector (4 required)
Plated steel
- - - - - - - - - - -
Stainless steel (NACE)
- - - - - - - - - - -
36 Pipe Bushing (3 required)
Steel
- - - - - - - - - - -
Stainless steel
- - - - - - - - - - -
Stainless steel (NACE)
- - - - - - - - - - -
38 Pipe Nipple
Zinc-plated steel (NACE)
- - - - - - - - - - -
316 Stainless steel
- - - - - - - - - - -
39 Pipe Nipple (3 required)
Zinc-plated steel (NACE)
- - - - - - - - - - -
316 Stainless steel
- - - - - - - - - - -
43 Pipe Bushing (2 required)
Steel (NACE)
- - - - - - - - - - -
316 Stainless steel
- - - - - - - - - - -
44 Pipe Bushing
Steel (NACE)
- - - - - - - - - - -
316 Stainless steel
- - - - - - - - - - -
50 Pipe Cross
Zinc-plated steel
- - - - - - - - - - -
316 Stainless steel (NACE)
- - - - - - - - - - -
51 Bleed Orifice 316 Stainless steel
- - - - - - - - - - -
52 Pipe Plug (2 required)
Steel
- - - - - - - - - - -
316 Stainless steel (NACE)
- - - - - - - - - - -
53 Pipe Tee
Zinc-plated steel (NACE)
- - - - - - - - - - -
316 Stainless steel
- - - - - - - - - - -
Key Description
Part Number
*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.
Monel
®
and Inconel
®
are marks owned by Special Metals Corporation.
Hastelloy
®
C is a mark owned by Haynes International, Inc.
Type MR95H Regulator
(Figure 9) (continued)