Pipeline ancillaries Disc, split disc and wafer check valves
10
Materials
4 3 2 1
No.
Part
Material
1 2 3
Body
Austenitic stainless steel
WS 1.4581
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 temp. spring
Nickel alloy
Nimonic 90
7.5.19
10.5 28
TI-P134-26 CMGT Issue 10
Page 2 of 5
DCV6 Disc Check Valve
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