Pipeline ancillaries Disc, split disc and wafer check valves
10
Materials
1
4 3 2
No. Part
Material
1 2 3
Body
Austenitic stainless steel
WS 1.4408
Disc
Austenitic stainless steel
ASTM A276 316
Spring retainer
Austenitic stainless steel
BS 1449 316 S 11
Standard spring
Austenitic stainless steel
BS 2056 316 S 42
4
Heavy duty spring
Austenitic stainless steel
BS 2056 316 S 42
High temperature spring
Nickel alloy
Nimonic 90
7.5.23
10.5 32
TI-P601-01 CMGT Issue 13
Page 2 of 5
DCV8 Disc Check Valve
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