DN20 PN25 WCB Wafer Ball Valve with Stainless Steel Handle Lever, Manual Operation Product Description: Wafer Ball Valve The Wafer Ball Valve is a type of short ball valve that is designed to control ...Xem thêm
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DN20 PN25 WCB Wafer Ball Valve with Stainless Steel Handle Lever and PTFE/PPL Seat Ring