
Type EZH Relief or Backpressure Regulator
16
Key Description Part Number Key Description Part Number
7* O-ring
NPS 1, 2, and 3 / DN 25, 50, and 80 19B2838X012
NPS 4 / DN 100 M6020169X12
8* Anti-Friction Rings (4 required) M0194530X12
9* O-ring (2 required) GD89895X012
10 Pipe Plug 1A767524662
11 Actuator Upper Casing
NPS 1 / DN 25 Body GD29722X012
NPS 2 / DN 50 Body GD29695X012
NPS 3 / DN 80 Body GE44420X012
NPS 4 / DN 100 Body M0300760X12
13 Spring
NPS 1 / DN 25 Body M0194590X12
NPS 2 / DN 50 Body M0191440X12
NPS 3 / DN 80 Body M0192240X12
NPS 4 / DN 100 Body
(2)
M0300740X12
14 Sleeve
NPS 1 / DN 25 Body GD27423X012
NPS 2 / DN 50 Body GD27260X012
NPS 3 / DN 80 Body GD27631X012
NPS 4 / DN 100 Body
(2)
M0300050X12
15* O-ring GD89893X012
16 Socket Head Cap Screw
NPS 1 / DN 25 Body (6 required) GD89877X012
NPS 2 / DN 50 Body (6 required) 19B0829X012
NPS 3 / DN 80 Body (12 required) GD89872X012
NPS 4 / DN 100 Body (8 required) M5011157X12
17* O-ring GD89894X012
18 Inlet Plate
NPS 1 / DN 25 Body M0194440X12
NPS 2 / DN 50 Body M0194620X12
NPS 3 / DN 80 Body M0192080X12
NPS 4 / DN 100 Body M0300020X12
19 Outlet Plate
NPS 1 / DN 25 Body M0194480X12
NPS 2 / DN 50 Body M0194660X12
NPS 3 / DN 80 Body M0192120X12
NPS 4 / DN 100 Body M0300030X12
20* Diaphragm
NPS 1 / DN 25 Body GD19445X012
NPS 2 / DN 50 Body GD19463X012
NPS 3 / DN 80 Body GD19209X012
NPS 4 / DN 100 Body M0194750X12
21 Cap Screw
NPS 1 / DN 25 Body
(14 required for Type EZH) 1A361524052
NPS 2 / DN 50 Body
(14 required for Type EZH) 1A936224052
NPS 3 / DN 80 Body
(14 required for Type EZH) GF05679X012
NPS 4 / DN 100 Body (16 required) M4691022X12
*Recommended Spare Part
2. Parts are not orderable. See sleeve subassembly table if it needs to be replaced.
Type EZH Main Valve (continued)
22 Plain Washer
NPS 1 / DN 25 Body (16 required) 1A518925072
NPS 2 / DN 50 Body (16 required) 1A3517K0012
NPS 3 / DN 80 Body (16 required) 1A519828992
NPS 4 / DN 100 Body (16 required) M5001015X12
23 Hex Nut
NPS 1 / DN 25 Body (16 required) 1A341224122
NPS 2 / DN 50 Body (16 required) 1A343324122
NPS 3 / DN 80 Body (16 required) ERCA01576A0
NPS 4 / DN 100 Body (16 required) M4692005X12
24 Continuous Thread Stud Bolt
NPS 1, 2, and 3 / DN 25, 50, and 80 Only
NPS 1 / DN 25 Body (4 required) GD89876X012
NPS 2 / DN 50 Body (6 required) GE00808X012
NPS 3 / DN 80 Body (4 required) GD89871X012
25 Intermediate Flange
NPS 1, 2, and 3 / DN 25, 50, and 80 Only
NPS 1 / DN 25 Body GD29724X012
NPS 2 / DN 50 Body GD29580X012
NPS 3 / DN 80 Body GE44403X012
26 Hex Nut
NPS 1, 2, and 3 / DN 25, 50, and 80 Only
NPS 1 / DN 25 Body (4 required) 1A341224122
NPS 2 / DN 50 Body (6 required) 1A341224122
NPS 3 / DN 80 Body (4 required) GD89867X012
27 Sleeve Adaptor
NPS 1 / DN 25 Body GD27425X012
NPS 2 / DN 50 Body GD27257X012
NPS 3 / DN 80 Body GD27634X012
NPS 4 / DN 100 Body
(2)
M0300090X12
28* O-ring
NPS 1, 2, and 3 / DN 25, 50, and 80 Only GD89892X012
29* O-ring GD89891X012
30* Disk Holder Assembly
NPS 1 / DN 25 Body
Nitrile (NBR) GD28090X012
Fluorocarbon (FKM) GD28213X012
NPS 2 / DN 50 Body
Nitrile (NBR) GD28091X012
Fluorocarbon (FKM) GD28214X012
NPS 3 / DN 80 Body
Nitrile (NBR) GD28092X012
Fluorocarbon (FKM) GD28215X012
NPS 4 / DN 100 Body
Nitrile (NBR) M0299090X12
Fluorocarbon (FKM) M0300120X12
31 Disk Retainer
NPS 1 / DN 25 Body GD27416X012
NPS 2 / DN 50 Body GD27275X012
NPS 3 / DN 80 Body GD27625X012
NPS 4 / DN 100 Body M0300100X12
32 Lock Washer
NPS 1 / DN 25 Body (1 required) GD89875X012
NPS 2 / DN 50 Body (2 required) 19B0819X012
NPS 3 / DN 80 Body (3 required) GD89870X012
NPS 4 / DN 100 Body (4 required) M5001004X12
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