LIFT CHECK VALVES IS:778 Standard    |    API Standard    |    Lift Type    |    Non-Slam    |    Wafer Type Swing
FORGED STEEL - BS 5352 / API 602
CAT NO. : PVT / FSNRV / 007
         
MATERIAL OF CONSTRUCTION
S.No.
PART
Cast steel
Cast SS 304 Cast SS 316
1
Body
ASTM-A-216
Gr. WCB
ASTM-A-351
Gr. CF8
ASTM-A-351
Gr. CF8M
2
Cover
3
Disc
WCB+13% Cr. SS
SS304/CF8
SS316/CF8M
4
Seat
13% Cr. SS
Integral
Integral
5
Hinge bracket
SS 410
SS304
SS316
6
Fastner
Highly tensile alloy steel

D I M E N S I O N S (in mm)
Sizes ->
15
20
25
32
40
50
A - F/F
83
89
101
140
140
140
ØB - ORIFICE
9.5
12.7
17.2
23.8
28
36.5
ØC - SOCKET BORE
21.6
27
33.8
42.5
49
61.1
D - SOCKET DEPTH
9.5
13
13
13
15
15
E - HEIGHT
50
MS = Mild Steel,  FSS = Forged Stainless Steel(304/316),  FAS = Forged Alloy Steel,
LTCS = Low temp. carbon steel, FAS = Forged Alloy Steel, Cr. = Chromium



 
 

 
CI = Cast Iron  CS = Cast Steel  MS = Mild Steel  SS = Stainless Steel(304/316)  GM = Gun metal(copper alloy)
 
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