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EZH and EZHSO Series
Parts List
EZH and EZHSO Series Main Valve
(continued)
Key
Description
153
O-ring (EZHSO Series only)
154
Hex Socket Cap Screw
EZHSO Series only (1 required)
DN 25 / NPS 1 Body
DN 50 / NPS 2 Body
DN 80 / NPS 3 Body
DN 100 / NPS 4 Body
155
Stem Nut, DN 25 / NPS 1 Body EZHSO Series only
156
Upper Spring Seat Adapter (EZHSO Series only)
157
Anti-friction ring (EZHSO Series only), DN 100 / NPS 4 Body
158
O-ring (EZHSO Series only), DN 100 / NPS 4 Body
159
Check valve
160*
Back-up ring (2 required)
192
Travel Indicator Scale
193
Washer (EZHSO Series only)
Mounting Parts (Figures 3 through 5)
Standard Configurations for Single Pilot and
Working Monitor Pilots
Key
Description
46
Pipe Nipple
47
Pipe Nipple
(3 required for Working Monitor Pilots)
(45° Internal Elbow for Working Monitor Pilots only)
Pre-Piped Pilot Supply Single-Pilot Configuration
(with standard body or tapped inlet body)
Key
Description
47
Pipe Nipple
48
Tube Elbow (4 required)
49
External Tube Connector
51
Pipe Cross
52
Tubing
Pre-Piped Pilot Supply and Pilot Exhaust
Single-Pilot Configuration
(with tapped inlet and outlet body)
Key
Description
47
Pipe Nipple
48
Tube Elbow (5 required)
49
External Tube Connector
50
Pipe Tee
51
Pipe Cross
52
Tubing
55
Internal Connector
Pre-Piped Pilot Supply Working Monitor
Pilot Configuration
(with standard body or tapped inlet body)
Key
Description
47
Pipe Nipple
48
Tube Elbow
49
External Tube Connector
50
Pipe Tee
51
Pipe Cross
52
Tubing
54
Pipe Nipple
Pre-Piped Pilot Supply and Pilot Exhaust
Working Monitor Pilot Configuration
(with tapped inlet and outlet body)
Key
Description
47
Pipe Nipple (2 required)
48
Tube Elbow (5 required)
*Recommended spare part
4. Included also in sleeve subassembly.
5. Included also in sleeve subassembly, available for DN 25, 50 and 80 / NPS 1, 2 and 3 body sizes only.
4
(5)
(4)
(4)
(4)
Key
Description
49
External Tube Connector (2 required)
50
Pipe Tee
51
Pipe Cross
52
Tubing
53
90° NPT Pipe Elbow
54
Pipe Nipple
55
Internal Connector
PRX Series Pilots (Figure 6)
Key
Description
1
Adjusting Screw
2
Locknut
3
Cap
4*
Upper Cover O-ring
5*
O-ring
6
Upper Spring Seat
7
Spring
8
Upper Cover
9
Lower Spring Seat
10
Machine Screw
11
Washer
12
Filter
13
Upper Diaphragm Plate
14*
Diaphragm
15
Lower Diaphragm Plate
16
Body
17*
Orifice O-ring
18*
Lower Cover O-ring
19
Orifice
20
Nut
21
Lower Cover
22*
Pad Holder
23
Stem
24
Nameplate
25*
Stem O-ring
26
Upper Diaphragm Nut
27
Damper Adjusting Screw with Hole
28*
Restrictor/Damper O-ring
29
Damper/Restrictor Plate
30
Ring Nut
31
Nameplate Screw
32
Restrictor Adjusting Screw with Hole
33
Plug (Types PRX/125 and PRX/125-AP only)
34
Plug (Types PRX/125 and PRX/125-AP only)
35
Spring Barrel Extension for AP
Type SA/2 Pilot Supply Filter Regulators
(Figure 7)
Key
Description
1
Spring
2
Socket Head Cap Screw
3
Washer
4
Plate
5
Regulator Seat
6*
O-ring
7
Body
8
Filter Net
9
Washer
10
Nut
11
Filter Cover
12*
Felt
13*
O-ring
14
Spring
15*
Pad Holder Unit
16
Nameplate
17
Screw Unit
18*
Diaphragm
19
Regulator Cover
20
Spring Washer
21
Nut
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