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China Valves description:
Name: Swing type check valve with lever + counterweight + hydraulic damping cylinder.
Design: BS 1868.
Body: ASTM A216 WCB.
Nominal size: 20 Inch.
Nominal class: class 900.
Connection ends: RTJ Flanged ends.
Face to face: as per ASME B16.10.
Test and inspection: API 598.
