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Ductile Cast Iron Di Ci Stainless Steel Barss EPDM Seat Water Resilient Wafer Lug Type Double Flange Industrial Butterfly Valve, Find Details and Price about Ci Butterfly Valve ASME B16.1 125lb & 150lb Butterfly Valve from Ductile Cast Iron Di Ci Stainless Steel Barss EPDM Seat Water Resilient Wafer Lug Type Double Flange Industrial Butterfly Valve - Tianjin Zhongfa Valve Co., Ltd.