MR95 Series
21
1. NACE MR0175-2002 and MR0103.
2. NACE MR0175-2002.
*Recommended spare part
Hastelloy
®
C is a mark owned by Haynes International, Inc.
Inconel
®
is a mark owned by Special Metals Corporation.
Monel
®
is a mark owned by Special Metals Corporation.
Key Description
Part Number
Key Description
Part Number
26
Inner Valve Spring
1/4 NPT Body Size
302 Stainless Steel, Oxygen Service
ERCA04280A0
Inconel
®
, NACE
(1)
ERCA04281A0
1/2-inch / DN 15 Body Size
302 Stainless Steel, Oxygen Service
ERCA04282A0
Inconel
®
, NACE
(1)
ERCA04283A0
3/4 and 1-inch / DN 20 and 25 Body Sizes
302 Stainless Steel, Oxygen Service
ERCA04284A0
Inconel
®
, NACE
(1)
ERCA04285A0
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
302 Stainless Steel, Oxygen Service
ERCA04286A0
Inconel
®
, NACE
(1)
ERCA04287A0
27
Inner Valve Base
416 Stainless Steel
ERCA00376A1
316 Stainless Steel, NACE
(2)
ERCA00376A2
Hastelloy
®
C
ERCA00376A4
Monel
®
ERCA00376A3
Brass
ERCA00376A0
27
Inner Valve Base Assembly, 1-1/2 and 2-inch /
DN 40 and 50, Type MR95HP only
Nitrile (NBR) Seat
416 Stainless Steel
ERAA01909A0
316 Stainless Steel, NACE
(2)
ERAA01909A1
Fluorocarbon (FKM) Disk
416 Stainless Steel
ERAA01909A3
316 Stainless Steel, NACE
(2)
ERAA01909A2
29* Gasket (2 required)
For 1-1/2 and 2-inch / DN 40 and 50 only
302 Stainless Steel Diaphragm
Types MR95H and MR95HD
ERCA00579A0
302 Stainless Steel Diaphragm, Oxygen Service
Type MR95H
ERCA00579A2
302 Stainless Steel Steam Service,
Monel
®
, and Hastelloy
®
C Diaphragm
Types MR95H, MR95HT, and MR95HD
ERCA00579A1
31
Locknut, Steel
1P788724122
32
Stuffing Box
Handwheel Adjustment
(Standard)
1/4 NPT Body Size
ERAA02699A0
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01655A0
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA01662A0
Handwheel Adjustment with Stainless Steel Trim
1/4 NPT Body Size
ERAA02699A1
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01655A1
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA01662A1
33
Adjusting Screw
1/4 NPT Body Size
ERAA01631A0
1/2-inch / DN 15 Body Size
ERAA02333A0
3/4 and 1-inch / DN 20 and 25 Body Sizes
ERAA01673A0
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA01677A0
34
Packing Follower
Handwheel Adjustment
(Standard)
1/4 NPT Body Size
ERAA01632A0
1/2 to 2-inch / DN 15 to 50 Body Sizes
1K884924092
Handwheel Adjustment with Stainless Steel Trim
1/4 NPT Body Size
ERAA01632A0
1/2 to 2-inch / DN 15 to 50 Body Sizes
1K8849X0012
35
Stuffing Box Nut
Handwheel Adjustment
ERAA01633A0
Handwheel Adjustment with Stainless Steel Trim
ERAA01633A1
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 with Stainless Steel Trim
1/4 NPT Body Size
ERAA02956A1
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA02957A1
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA02959A1
39
Internal Adaptor
1/4 NPT Body Size
ERAA01637A0
1/2 to 2-inch / DN 15 to 50 Body Sizes
ERAA01666A0
40
External Adaptor
1/4 NPT Body Size
ERAA01638A0
1/2 to 2-inch / DN 15 to 50 Body Sizes
ERAA01667A0
41
Machine Screw
Handwheel Adjustment
1/4 NPT Body Size
ERAA01639A0
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01670A0
Handwheel Adjustment with Stainless Steel Trim
1/4 NPT Body Size
ERAA01639A1
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01670A1
41
Jam Nut (Type MR95HD, 1-1/2 and
2-inch / DN 40 and 50 Body Sizes only)
Handwheel Adjustment
ERAA01688A0
Handwheel Adjustment with Stainless Steel Trim ERAA01688A1
42
Spring, Stainless Steel
ERAA01640A0
43
Washer
1/4 NPT Body Size
ERAA01641A0
1/2 to 2-inch / DN 15 to 50 Body Sizes
ERAA01660A0
44
Washer
Handwheel Adjustment
1/4 NPT Body Size
ERAA01642A0
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01671A0
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA01689A0
Handwheel Adjustment with Stainless Steel Trim
1/4 NPT Body Size
ERAA01642A1
1/2 to 1-inch / DN 15 to 25 Body Sizes
ERAA01671A1
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
ERAA01689A1
45* O-ring (2 required for Type MR95HD only)
For 1-1/2 and 2-inch / DN 40 and 50 only
Neoprene (CR) Diaphragm
ERCA00664A0
Fluorocarbon (FKM) Diaphragm
ERCA00664A1
Ethylenepropylene (EPDM) Diaphragm
ERCA00664A2
47
NACE Tag
- - - - - - - - - - -
48
Tag Wire
- - - - - - - - - - -
49
Lockwasher (for 1-1/2 and 2-inch /
DN 40 and 50 Body Sizes only)
Steel
ERCA00379A0
Stainless Steel
ERCA00379A1
50* Sealing Washer
Sealed Square Head Adjustment
1/2-inch / DN 15 Body Size
1V205699012
3/4 and 1-inch / DN 20 and 25 Body Sizes
11A9681X012
1-1/2 and 2-inch / DN 40 and 50 Body Sizes
1V424699012
51
Vent, Type Y602-12
1-1/2 and 2-inch / DN 40 and 50 Body Sizes only ERAA02123A0
52
Plug, Stainless Steel
ERAA01942A0
62
Adaptor, Stainless Steel,
3/4 to 1-inch / DN 20 to 25 Body Sizes,
Types MR95L and MR95LD:
2 gauges - 2 required
ERAA01930A0
1 gauge - 1 required
ERAA01930A0
63* Bottom Plug Seal
1/4 NPT Body Size
Nitrile (NBR)
ERCA03017A0
Perfluoroelastomer (FFKM)
ERCA03017A3
Fluorocarbon (FKM)
ERCA03017A1
Ethylenepropylene (EPDM)
ERCA03017A2
Graphite
ERCA02976A0