弯头Elbow90º弯头90ºElbow45º弯头45ºElbow180º弯头180ºElbow长半径弯头:LRelbow(LR是longradius的缩写)短半径弯头:SRElbow(SR是shortradius的缩写)碳钢弯头carbonsteelelbow不锈钢弯头stainlesssteelelbow合金钢弯头alloysteelelbow无缝弯头seamlesselbow对焊弯头butt-weldingelbow冲压弯头Stampingelbow大口径对焊弯头Largediameterbutt-weldingelbow/Largesizeelbow三通Tee异径三通reducingtee等径三通straighttee斜三通lateralY型三通Y-tee四通cross等径四通straightcross异径四通reducingcross异径管reducer同心异径管concentricreducer(con-reducer)偏心异径管eccentricreducer(ecc-reducer)管帽cap翻边Stubend法兰Flange带颈对焊法兰Welding-Neck(WN),平焊带颈法兰Slip-On(SO),盲板法兰Blind(BL),螺纹法兰Threaded(TH),松套法兰Lap-Joint(LJ)锻造的:forged螺纹支管台threadolet承插支管台sockolet焊接支管台weldolet管接头coupling/fullcoupling单管接头halfcoupling活接头(由任)unionBushing堵头(管塞)Plug六头管塞hexagonplug四头管塞Squareplug短节nipple缩径管swagednipple