Product Item: Dual Plate Check Valve, Thru Drilled, Double Flanged
Design Standard: API 594
Type: Double Flanged Dual Plate Check Valve
Size: 30 Inch
Pressure: Class 900 LB
Body: ASTM A216 WCB
Disc: ASTM A216 WCB + SS 316
Pin Seat: ASTM A276 316
Hinge Pin: ASTM A182 F316
Spring: Inconel X750
Backseat: Stellite Faced
Connection End: RTJ Flanged
Source: https://www.landee.cn/api-594-dual-plate-check-valves-astm-a216-wcb-30-in-cl900.html
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