MR95 Series
19
*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.
Hastelloy
®
C is a mark owned by Haynes International, Inc.
Monel
®
is a mark owned by Special Metals Corporation.
6 Stem/Stem Assembly (continued)
Type MR95HP (continued)
1-1/2 and 2 in. / DN 40 and 50 Body Sizes
416 Stainless Steel, Oxygen Service
Without control line GF05507X022
With control line ERAA01906A0
316 Stainless Steel, NACE
(1)
Without control line GF05507X032
With control line
Nitrile (NBR) seat ERAA01906A2
Fluorocarbon (FKM) seat ERAA01906A3
6a Stem - - - - - - - - - - -
6b Pusher Plate (1/4 NPT and 1/2 to 1 in. /
DN 15 to 25 Body Sizes only) - - - - - - - - - - -
6b O-ring (1-1/2 and 2 in. /
DN 40 and 50 Body Sizes only) - - - - - - - - - - -
6c O-ring (1/2 to 1 in. / DN 15 to 25 Body Sizes only) - - - - - - - - - - -
7 Stem Guide Bushing
1/4 NPT Body Size
416 Stainless Steel, Oxygen Service ERCA03695A0
316 Stainless Steel, NACE
(1)
ERCA03695A1
Hastelloy
®
C ERCA03695A3
Monel
®
ERCA03695A2
1/2 in. / DN 15 Body Size
416 Stainless Steel, Oxygen Service ERCA03694A0
316 Stainless Steel, NACE
(1)
ERCA03694A1
Hastelloy
®
C ERCA03694A3
Monel
®
ERCA03694A2
3/4 to 2 in. / DN 20 to 50 Body Sizes
416 Stainless Steel, Oxygen Service ERCA03668A0
316 Stainless Steel, NACE
(1)
ERCA03668A1
Hastelloy
®
C ERCA03668A3
Monel
®
ERCA03668A2
8 Lower Spring Seat, NACE
(1)
Types MR95L, MR95LD, MR95H and MR95HD
1/4 NPT Body Size
Aluminum
(2)
1E392309012
Stainless Steel 1E3923X0012
1/2 in. / DN 15 Body Size
Aluminum
(2)
1E395408012
Stainless Steel 1E3954X0042
3/4 and 1 in. / DN 20 and 25 Body Sizes
Aluminum
(2)
1E398608012
Stainless Steel 1E3986X0042
1-1/2 and 2 in. / DN 40 and 50 Body Sizes
Steel
(2)
1P787724152
Stainless Steel 1P7877X0012
Types MR95HP and MR95HT
1/4 NPT Body Size
Steel
(2)
ERCA00453A0
Stainless Steel ERCA00453A1
1/2 in. / DN 15 Body Size
Steel
(2)
ERCA00436A0
Stainless Steel ERCA00436A1
3/4 and 1 in. / DN 20 and 25 Body Sizes
Steel
(2)
17B8733X012
Stainless Steel 17B8733X022
1-1/2 and 2 in. / DN 40 and 50 Body Sizes
Steel
(2)
1P787724152
Stainless Steel 1P7877X0012
9 Upper Spring Seat, NACE
(1)
Types MR95L, MR95LD, MR95H and MR95HD
1/4 NPT Body Size
Steel
(2)
ERCA00383A0
Stainless Steel ERCA00383A1
1/2 in. / DN 15 Body Size
Steel
(2)
ERCA00823A0
Stainless Steel ERCA00823A1
3/4 and 1 in. / DN 20 and 25 Body Sizes
Steel
(2)
1E398725072
Stainless Steel 1E3987X0012
9 Upper Spring Seat, NACE
(1)
(continued)
Types MR95L, MR95LD, MR95H and MR95HD (continued)
1-1/2 and 2 in. / DN 40 and 50 Body Sizes
Steel
(2)
1P787624092
Stainless Steel 1P7876X0012
Types MR95HP and MR95HT
1/4 NPT Body Size
Steel
(2)
14B9950X012
Stainless Steel 14B9950X022
1/2 in. / DN 15 Body Size
Steel
(2)
ERCA00382A0
Stainless Steel ERCA00382A1
3/4 and 1 in. / DN 20 and 25 Body Sizes
Steel
(2)
ERCA00138A0
Stainless Steel ERCA00138A1
1-1/2 and 2 in. / DN 40 and 50 Body Sizes
Steel
(2)
1P787624092
Stainless Steel 1P7876X0012
10 Pusher Post, 1-1/2 and 2 in. / DN 40 and
50 Body Sizes only
Metal-to-metal seat
416 Stainless Steel, Types MR95H,
MR95HD and MR95HT only GF05509X022
316 Stainless Steel, Types MR95H,
MR95HD and MR95HT only GF05509X032
Hastelloy
®
C, Types MR95H and
MR95HD only GF05509X052
Monel
®
, Types MR95H and
MR95HD only GF05509X042
Composition seat
416 Stainless Steel, Oxygen Service
Types MR95H, MR95HD and MR95HP only GF05549X022
316 Stainless Steel, NACE
(1)
Types MR95H, MR95HD and MR95HP only GF05549X032
Monel
®
,
Types MR95H and MR95HD only GF05549X042
11 Control Spring, NACE
(1)(2)
See Table 3
12* Diaphragm See Following Table
13 Nameplate - - - - - - - - - - -
14* Diaphragm Protector, PTFE, NACE
(1)
Types MR95L and MR95LD
1/4 NPT Body Size 11A5126X012
1/2 in. / DN 15 Body Size 11A5127X012
3/4 and 1 in. / DN 20 and 25 Body Sizes 11A5128X012
Types MR95H, MR95HP and MR95HD
1/4 NPT Body Size 11A5129X012
1/2 in. / DN 15 Body Size 11A5130X012
3/4 and 1 in. / DN 20 and 25 Body Sizes 11A5131X012
1-1/2 and 2 in. / DN 40 and 50 Body Sizes 11A5527X012
15 Adjusting Screw, NACE
(1)(2)
Square Head Adjustment
1/4 NPT Body Size GF05533X012
1/2 in. / DN 15 Body Size GF05553X012
3/4 and 1 in. / DN 20 and 25 Body Sizes GF05543X012
1-1/2 and 2 in. / DN 40 and 50 Body Sizes GF05522X012
Stainless Steel Square Head Adjustment
1/4 NPT Body Size GF05533X022
1/2 in. / DN 15 Body Size GF05553X022
3/4 and 1 in. / DN 20 and 25 Body Sizes GF05543X022
1-1/2 and 2 in. / DN 40 and 50 Body Sizes GF05522X022
Sealed Square Head Adjustment
1/2 in. / DN 15 Body Size GF05553X012
3/4 and 1 in. / DN 20 and 25 Body Sizes GF05543X012
1-1/2 and 2 in. / DN 40 and 50 Body Sizes GF05522X012
Handwheel Adjustment
1/2 in. / DN 15 Body Size ERAA02331A0
16 Cap Screw, NACE
(1)(2)
Types MR95L and MR95LD
1/4 NPT Body Size
Steel (10 required) ERCA00651A0
Stainless Steel (10 required) ERCA00651A1
1/2 in. / DN 15 Body Size
Steel (10 required) ERCA00100A0
Stainless Steel (10 required) ERCA00100A1
Key Description Part Number Key Description Part Number