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Two Pieces Split Body EPDM /NBR Coated SS304/Ductile Iron Wafer Pn10/Pn16/Pn25/Class 150 Butterfly Valve for Flow Control Water Treatment Sea Water, Find Details and Price about API Butterfly Valve Industrial Valve from Two Pieces Split Body EPDM /NBR Coated SS304/Ductile Iron Wafer Pn10/Pn16/Pn25/Class 150 Butterfly Valve for Flow Control Water Treatment Sea Water - Tianjin Newton Valve Co., Ltd