Groth 1721B - Manual (Page 16)

Page 16 of 18
Groth Model 1723A Pressure/Vacuum Relief Valve
Bill of Material
ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION
CARBON STEEL 316 SS
1 BODY CS (GR. WCB) 316 SS(GR. CF8M)
2 STUD SS SS
3 HEX NUT SS SS
4 LOCK WASHER SS SS
5 PIPE PLUG CS 316 SS
6 OUTLET CS(GR. WCB) 316 SS(GR. CF8M)
7 GUIDE ROD 316 SS 316 SS
8 * COVER GASKET PTFE PTFE
9 STUD SS SS
10 HEX NUT SS SS
11 LOCK WASHER SS SS
12 SPRING CHAMBER CS(GR. WCB) 316 SS(GR. CF8M)
13 * CAP GASKET 316 SS 316 SS
14 CAP CS 316 SS
15 * HEX NUT SS SS
16 * ADJUSTMENT SCREW 316 SS 316 SS
17 SPRING BUTTON 316 SS 316 SS
18 SPRING CS 17-7 PH SS
19 PRESSURE STEM 316 SS 316 SS
20 PRESSURE PALLET 316 SS 316 SS
21 * PRESSURE DIAPHRAGM, PRIMARY FEP FEP
22 * PRESSURE DIAPHRAGM, BACKUP FEP FEP
23 PRESSURE RETAINER PLATE 316 SS 316 SS
24 * O-RING FKM FKM
25 HEX EXPANDING LOCK NUT SS SS
26 * INLET GASKET PTFE PTFE
27 GUIDE ROD 316 SS 316 SS
28 VACUUM STEM 316 SS 316 SS
29 VACUUM PALLET 316 SS 316 SS
30 * VACUUM DIAPHRAGM, PRIMARY FEP FEP
31 * VACUUM DIAPHRAGM, BACKUP FEP FEP
32 VACUUM RETAINER PLATE 316 SS 316 SS
33 VACUUM SCREEN ASSY. (OPTIONAL) 316 SS 316 SS
34 SEAT INSERT (NOT SHOWN) 316 SS N/A
* SPARE PARTS