7
Parts
ITEM DESCRIPTION QUANTITY
1 Body 1
1.2 Tailpiece 1
1.4 O-Ring 1
2 Cover 1
2.2 O-Ring 1
3 Seat 2
3.1 O-Ring 2
3.2
Inlet Ring
(1
1
/4" & 1
1
/2")
1
4 Poppet 2
5 Seat Disc 2
5.1 Disc Retainer 2
5.2 Round HD Screw 2
6
Spring
(1st Check Spring)
1
6.1
Spring
(2nd Check Spring)
1
7 Guide 2
8 Retainer Spacer 1
9* Ball Valve Tapped 1
Union End BV Tapped 1
9.1* Ball Valve 1
Union End Ball Valve 1
11 Test Cock 4
12 Seat Ring - RV 1
12.1 Gasket Ring - RV 1
13 Spring - RV 1
14 Seat Disc - RV 1
15 Diaphragm - RV 1
16 Outer Diaphragm - RV 1
17 Small Piston - RV 1
17.1 Round HD Screw - RV 1
17.2 Washer - RV 1
17.3 Hex Nut - RV 1
18 Cylinder - RV 1
18.1 Slip Ring Cylinder - RV 2
18.2 Slide (Plug) - RV 1
19 Cover - RV 1
20 O-Ring - RV 1
21 Hex HD Capscrew *
22 Large Piston - RV 1
23 Guide - RV 1
Call customer service if you need assistance with technical details.
* Quantity varies with valve size;
6 each for
1
⁄2" and
3
⁄4, 8 each
for 1", 14 each 1
1
⁄4", 1
1
⁄2", 2"
Check Module
Assembly Kit
View shown for sizes 1½" to 2" only
Relief Valve Module Kit
(not including 21)
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