Groth 1721B - Manual (Page 12)

Page 12 of 18
Groth Model 1721B Pressure/Vacuum Relief Valve
Bill of Material
ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION
CARBON STEEL 316 SS
1 BODY CS (WCB) CF-8M (316 SS)
2 NUT, HEX SS SS
3 STUD SS SS
4 PLUG, PIPE CS SS
5 OUTLET CS (WCB) CF-8M (316 SS)
6 STUD SS SS
7 NUT, HEX SS SS
8 WASHER, LOCK SS SS
9 * GASKET - COVER PTFE PTFE
10 CHAMBER, SPRING CS (WCB) CF-8M (316 SS)
11 GASKET, CAP SS SS
12 CAP CS 316 SS
13 NUT, HEX JAM SS SS
14 SCREW, ADJUSTMENT 316 SS 316 SS
15 STEM, PRESSURE 316 SS 316 SS
16 BUTTON, SPRING 316 SS 316 SS
17 SPRING CS 17-7 PH SS
18 ROD, GUIDE 316 SS 316 SS
19 PALLET, PRESSURE 316 SS 316 SS
20 * DIAPHRAGM, PRESSURE FEP FEP
21 PLATE, RETAINER (PRESSURE) 316 SS 316 SS
22 NUT, HEX LOCK SS SS
23 * O-RING FKM FKM
24 * GASKET, INLET PTFE PTFE
25 COVER CS (WCB) AL (GR. 356 T6)
26 WASHER, LOCK SS SS
27 NUT, HEX SS SS
28 STEM, VACUUM 316 SS 316 SS
29 ROD, GUIDE 316 SS 316 SS
30 * GASKET, COVER PTFE PTFE
31 PALLET, VACUUM 316 SS 316 SS
32 * DIAPHRAGM, VACUUM FEP FEP
33 PLATE, RETAINER (VACUUM) 316 SS 316 SS
34 SCREEN (OPTIONAL) 316 SS 316 SS
35 O-RING (PLATE PALLET) FKM FKM
36 INSERT, SEAT ( NOT SHOWN) 316 SS N/A
37 PALLET WEIGHT (NOT SHOWN) LEAD LEAD
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