U型管ReturnBend碳钢弯头CarbonSteelElbow不锈钢弯头StainlessSteelElbow高压弯头High-PressureElbow同心异径管ConcentricReducers偏心异径管EccentricReducers高压异径管High-pressureReducers不锈钢等径三通StainlessStraightTee碳钢等径三通CarbonStraightTee不锈钢等径四通StainlessStraightCross高压三通High-pressureTee锻制三通ForgedTee异径接头Template管帽Caps法兰flange长径和短径弯头longandshortradiuselbows同心和偏心异径接头concentricandeccentricreducers等径和异径三通straightandreducingoutlettees大小头CONCENTRICREDUCER相等的三通TeeEqual等径三通StraightTee异径三通ReducingTee等径四通StraightCross90°短半径弯头90°SSElbow(SR)盲法兰BlankFlange弯管Bends翻边stubends异径接头reducers公称通径nominaldia夕卜径(mm)outsidediameter中心距至端面的距离centertoend理论重量(kg/approxweight类种description标Standar类型Design材质Material双丝头Nipple90°长半径弯头90°SSElbow(LR)高压厚壁弯头ThicknessElbow同心异径短节SWAGENipple活接头UnionPL^HEXHEAD六角管堵—HEXHEADSCRD六角螺纹管堵MPT螺纹RC螺纹螺桩studSWAGE(CONC)同心异径短节单承口管箍H