Appendix b: model 1810a vacuum relief valve – Groth 1800A User Manual
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APPENDIX B: Model 1810A Vacuum Relief Valve
ITEM
DESCRIPTION
STANDARD MATERIALS OF CONSTRUCTION
ALUMINUM
CARBON STL
316 SS
1
BODY
AL(GR 356-T6)
CS(GR WCB)
316 SS(GR CF-8M)
2
HEX BOLT
SS
SS
SS
3
HEX NUT
SS
SS
SS
4
LOCK WASHER
SS
SS
SS
5 *
INLET
GASKET
PTFE
PTFE
PTFE
6
PRESSURE COVER
ALUM
CS
316 SS
7
STUD
SS
SS
SS
8
HEX NUT
SS
SS
SS
9
LOCK WASHER
SS
SS
SS
10
COVER
AL(GR 356-T6)
CS(GR WCB)
316 SS(GR CF-8M)
11
VACUUM STEM
316 SS
316 SS
316 SS
12 *
COVER
GASKET
PTFE
PTFE
PTFE
13
GUIDE ROD
316 SS
316 SS
316 SS
14
VACUUM PALLET (1) (NOT SHOWN)
316 SS
316 SS
316 SS
15
*
VACUUM DIAPHRAGM, PRIMARY (2)(3) (NOT SHOWN)
FEP
FEP
FEP
16
*
VACUUM DIAPHRAGM, BACKUP (2) (NOT SHOWN)
FEP
FEP
FEP
17
VACUUM RETAINER PLATE (NOT SHOWN)
316 SS
316 SS
316 SS
18
FLAT WASHER (NOT SHOWN)
SS
SS
SS
19
HEX EXPANDING LOCK NUT (NOT SHOWN)
SS
SS
SS
20
SEAT INSERT (6"-12" ONLY) (4) (NOT SHOWN)
316 SS
316 SS
316 SS
21
*
O-RING (6"-12" ONLY) (3) (NOT SHOWN) (NOT SHOWN)
FKM
FKM
FKM
22
SET SCREW (6"-12" ONLY) (NOT SHOWN)
SS
SS
SS
23
VACUUM SCREEN ASSY. (OPTIONAL)
316 SS
316 SS
316 SS
24
SEAT INSERT (4) (NOT SHOWN)
N/A
316 SS
N/A
25
PALLET WEIGHT (5) (NOT SHOWN)
LEAD
LEAD
LEAD
* SPARE PARTS
(1) PALLET ALSO AVAILABLE IN ALUMINUM.
(2) Fluoropolymer IS A REGISTERED TRADEMARK OF E.I. DU PONT DE NEMOURS AND CO. USED UNDER LICENSE.
(3) ELASTOMERS ALSO AVAILABLE IN AFLAS, BUNA-N, EPDM & FFKM
(4) SEAT: CS UNITS – WELDED
(5) AVAILABLE IN 316 SS; CONSULT FACTORY FOR ALT. MATERIALS.