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Dual Plate Wafer Check
Features
Design API 6D / API 594 / ASME B 16.34/ ISO 14313
Face to Face API 6D / API 594
Testing API 6D / API 598/ ISO 14313/ ISO 5208
Materials ASTM Specifications
Trims Varieties of combinations
Lesser weight, compact design & low breaking torque
Optional > Retainerless Design
> Solid Lug Type/ Double Flanged type
> Replacement of conventional check valves
Without pipeline modification
MATERIALS OF CONSTRUCTION
No DESCRIPTION WCB C5 LCB CF8M
1 BODY (a) A 216 Gr. WCB A 217 Gr. C5 A 352 Gr. LCB A 351 Gr. CF8M
2 SEAT (Deposition) (b,c) 13% Cr. Steel 13% Cr. Steel 13% Cr. Steel A 351 Gr. CF8M (Integral)
3 DISC (b,c) A 217 Gr. CA15 A 217 Gr. CA15 A 217 Gr. CA15 A 351 Gr. CF8M
4 STEM SHAFT / HINGE PIN (b) A 276 TP 410 A 276 TP 410 A 276 TP 410 A 276 TP 316
5 SPRING (b) INCONEL 750 INCONEL 750 INCONEL 750 INCONEL 750
6 STOP PIN (b) A 276 TP 410 A 276 TP 410 A 276 TP 410 A 276 TP 316
Also Available a) Body & Disc in WC6, C12, CF8, CF3, CF3M, CF8C, Gr.4A, CN7M b) Alternate Material c) Stellite Facing Compliance to NACE Standard MR 0175