锻钢止回阀阀瓣形式还分别有截流形，针形，球形您可以根据实际情况合理选用我们的阀门。
Forged steel check valve is respectively cut manifold, needle, ball you can according to the actual situation of reasonable selection of our valves.
管路用钢法兰盘，锻制管接头，阀门和零件的通用要求规范。
Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications.
阀门材质有：不锈钢(304、316、304l、316l)、铸钢、铸铁、锻钢等。
Valve materials: stainless steel 304, 316, (304l, 316l), steel, cast iron, forged steel, etc.
阀门材质有：不锈钢(304、316、304l、316l)、铸钢、铸铁、锻钢等。
Valve materials: stainless steel 304, 316, (304l, 316l), steel, cast iron, forged steel, etc.
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