接头对照

JIS B 2301（可锻铸铁）-malleable cast iron pipe fittingelbowsmale and female elbows（street elbows）45° elbows45° male and female elbows（street elbows）reducing elbowsreducing male and female elbows（street elbows）teesmale and female tees（service tees）unequal on the branch（在分枝上不等）unequalunequal on the run and branch（在主干、枝干上不等）teesunequal on the run and equal on the branch（在主干上不等，reducing male and female tees（service tees）crossesreducing crossesside outlet elbowsside outlet teesshort bendsmale and female short bendslong sweep bendsmale and female long sweep bendsmale long sweep bends45° long sweep bends45°male and female long sweep bends45°male long sweep bends45°laterals90°lateralsreturn bendssocketsmale and female socketsreducing socketsreducing male and female socketseccentric reducing socketbushingnipplesreducing nipplesbacknutscapsplugsunionsmale and female unionsunions elbowsmale and female unions elbowsI型（可锻铸铁）flange unionsSTEEL BUTT-welding pipe fitting（对TYPE　AND SHAPETYPE45°ELBOW90°ELBOW180°ELBOWReducerTEECAPSTEEL socket-welding pipe fitting（插入TYPE　AND SHAPETYPE45°ELBOW90°ELBOWFULL COUPLINGHALF COUPLINGReducerTEECAPCROSS45°YstraightreducedstraightreducedConcentricEccentricstraightreducedSHAPEstraightreducedstraightreducedstraightreducedSHAPElonglongshortlongshortConcentricEccentricstraightreduced中文弯头内外丝弯头45°弯头45°内外丝弯头异径弯头异径内外丝弯头三通内外丝三通中大异径三通中小异径三通异径三通异径三通内外丝异径三通四通异径四通侧口弯头支流三通短弯头内外丝短弯头长弯头内外丝长弯头外接长弯头45°长弯头45°内外丝长弯头45°外接长弯头45°横向三通90°横向三通U型弯头外接头内外丝接头异径外接头内外丝异径接头偏心异径管接头内外螺丝内接头异径内接头螺母管帽螺塞活接头内外丝活接头活接头式弯头内外丝活接头式弯头等效/近似国标GB32.2-82GB32.2-82GB32.4-82GB32.10-82GB32.10-82GB32.12-82GB32.14-82GB32.20-82GB32.21-82GB32.9-82GB32.22-82GB32.22-82GB32.24-82GB32.28-82GB32.26-82GB32.34-82GB32.37-82标注示例（in）1/41/41/41/41/4X1/21/4X1/21/41/41/4X1/4X1/21/2X1/2X1/43/4X1/2X3/83/4X1/2X3/43/4X1/2X3/41/41/4X1/21/21/21/21/21/21/21/21/21/21/21/21/21/21/21/21/2X1/41/2X3/82X1/21/4X1/81/21/2X3/81/21/21/21/21/21/21/2法兰式活接头g（对焊式管接头）JIS B 2312中文45°弯头90°长弯头90°短弯头180°长弯头180°短弯头异径接头偏心异径接头三通异径三通管帽（插入焊接式管接头）JIS B 2316中文45°弯头异径45°弯头插入焊接式直角管接头 插入焊接式异径直角管接头 插入焊接式直通三通管接头 插入焊接式异径直通三通管接头 异径接头偏心异径接头插入焊接式三通管接头 插入焊接式异径三通管接头 管帽插入焊接式四通管接头 插入焊接式异径四通管接头 插入焊接式锐角三通管接头 插入焊接式异径锐角三通管接头 1 1/2符号45E（L）90E（L）90E（S）180E（L）180E（S）R（C）R（E）T（S）T（R）C等效/近似国标符号45E（R）45E（S）90E（R）90E（S）FC（L）FC（S）HCR（C）R（E）T（S）T（R）CCROSS（S）CROSS（R）45°Y(S）45°Y(R）JB 3878.1-85JB 3878.6-85JB 3878.2-85JB 3878.3-85JB 3878.4-85