Butterfly Valve, Gate Valve, Check Valve manufacturer / supplier in China, offering 4 Inch 8 Inch Di Body EPDM Seat Rubber Seal API 609 Wafer Centerline Butterfly-Valve with CE Approval, Cast Ductile Iron Press Handle Operator Double Flange Lug Butterfly Valve API/ANSI/DIN/JIS/ASME/Awwa, Good Seling Resilient Seated Ductile Cast Iron Wafer Butterfly Valve API609 /JIS10K /Pn16/ ANSI150 and so on.
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