Steel butterfly check valve Features: 1) Standard working pressure: A) DN50-DN450: 1.0MPa B) DN500-DN600: 0.6MPa C) Body: Cast iron, ductile iron D) Metal seat and disc with EPDM O ring seal E) Gear box operator
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公司基本资料信息
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Steel butterfly check valve Features: 1) Standard working pressure: A) DN50-DN450: 1.0MPa B) DN500-DN600: 0.6MPa C) Body: Cast iron, ductile iron D) Metal seat and disc with EPDM O ring seal E) Gear box operator
