Emerson EZH Series, Installation Manual

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4
EZH and EZHSO Series
49 Ext ernal Tube Connector (2 required)
50 Pipe Tee
51 Pipe Cross
52 Tubing
53 9 0° N PT Pipe Elbow
54 Pipe Nipple
55 Interna l Connector
PRX Series Pilots (Figure 6)
Key Description
1 Adjusting Screw
2 Locknut
3 Ca p
4* U ppe r Cover O-ring
5* O-ring
6 Upper Spring Seat
7 Spring
8 U ppe r Cover
9 Lowe r Spring Seat
10 Mach ine Screw
11 Washer
12 Fi lter
13 Upp er Diaphragm Plate
14* Diaphragm
15 L ow er 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
153 O-ring (EZHSO Series only)
(5)
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
(4)
155 Stem Nut, DN 25 / NPS 1 Body EZHSO Series only
(4)
156 Upper Spring Seat Adapter (EZHSO Series only)
(4)
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 re qu ired 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 E xter nal 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 E lbow (5 required)
49 External Tube Connector
50 Pipe Tee
51 Pipe Cross
52 Tubing
55 Intern al 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 Pip e 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.
Key Description
Key Description
Parts List
EZH and EZHSO Series Main Valve
(continued)