大通径钢法兰。系列a。符合相关尺寸标准。
Large diameter Steel Flanges. Series A. Conforms to related dimensions.
碳钢法兰和连接件，150磅，符合相关法兰钻孔尺寸标准。
Carbon Steel Flanges and Fittings, 150 lb. Conforms to related flange drilling.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
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