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API609 DN500 150LB WCB SS316 Wafer Type NBR Soft Seal Double Offset Butterfly Valve
TIANYU WCB Body SS316 Disc Double Offset Butterfly Valve – DN500 150LB Wafer Type NBR Soft Seal Valve for Industrial Fluid Control with API 609 …
TIANYU WCB Body SS316 Disc Double Offset Butterfly Valve – DN500 150LB Wafer Type NBR Soft Seal Valve for Industrial Fluid Control with API 609 …