【正文】 r bend偏置彎管（~ 形） offset bend90176。彎管 quarter bend環(huán)形彎管 cirele bend單側(cè)偏置90176。彎管（? 形） single offset quarter bendS形彎管 “S” bend單側(cè)偏置U形膨脹彎管（| ?形） single offset “U” bendU形彎管 “U” bend雙偏置U膨脹彎管 double offset expansion “U” bend斜接彎管 mitre bend三節(jié)斜接彎管 3piece mitre bend折皺彎管 corrugated bend圓度 roundness 法蘭 Flange (FLG）整體管法蘭 integral pipe flange鋼管法蘭 steel pipe flange螺紋法蘭 threaded flange滑套法蘭（包括平焊法蘭） slipon flange (SO)。 slipon welding flange承插焊法蘭 socket welding flange松套法蘭 lap joint flange (LJF)對焊法蘭 welding neck flange (WNF)法蘭蓋 blind flange, blind孔板法蘭 orifice flange異徑法蘭 reducing flange盤座式法蘭 pad type flange松套帶頸法蘭 loose hubbed flange焊接板式法蘭 welding plate flange對焊環(huán) welding neck collar （與stub end相似）平焊環(huán) weldingon collar突緣短節(jié) stub end, lap翻邊端 lapped pipe end松套板式法蘭 loose plate flange壓力級 pressure rating, pressure rating class壓力—溫度等級 pressuretemperature rating法蘭密封面，法蘭面 flange facing突面 raised face (RF)凸面 male face (MF)凹面 female face (FMF)榫面 tongue face槽面 groove face環(huán)連接面 ring joint face全平面；滿平面 flat face。 full face (FF)光滑突面 smooth raised face (SRF)法蘭面加工 facing finish粗糙度 roughness光滑的 smooth齒形 serrated均方根 root mean square (RMS)算術(shù)平均粗糙高度 arithmetical average roughness height (AARH)配對法蘭 panionflange螺栓圓 bolt circle (.) 墊片 Gasket (GSKT)墊片的型式 type of gasket平墊片 flat gasket環(huán)形平墊片 flat ring gasket平金屬墊片 flat metal gasket夾棉織物的橡膠 elastomer with cotton fabric insertion夾石棉織物的橡膠 elastomer with asbestos fabric insertion夾石棉織物及金屬絲加強(qiáng)的橡膠 elastomer with asbestos fabric insertion and with wire reinforcement無石墨壓縮白石棉墊片 non graphited pressed white asbestos gasket天然白橡膠墊片 natural white rubber gasket壓縮石棉墊片 pressed asbestos class gasket浸聚四氟乙烯的石棉墊片 PTFE impregnated asbestos gasket夾石棉的纏繞金屬墊片 spiralwound metal gasket with asbestos filler內(nèi)環(huán) inner ring外環(huán)，外定位環(huán) outer ring波紋金屬墊片 corrugated metal gasket波紋金屬包嵌石棉墊片 corrugated metal gasket with asbestos inserted雙夾套波紋金屬包石棉墊片 corrugated metal double jacketed asbestos filled gasket雙夾套墊片 double jacketed gasket金屬包石棉平墊片 flat metal jacketed asbestos filled gasket整體金屬齒形墊片 solid metal serrated gasket槽形金屬墊片 grooved metal gasket環(huán)形連接金屬墊片 ring joint metal gasket八角環(huán)形墊片 octagonal ring gasket橢圓環(huán)形墊片 oval ring gasket透鏡式墊片 lens gasket非金屬墊片 nonmetallic gasketTOE是Threaded One End的縮寫，意思是一端螺紋POE是Plain One End的縮寫，意思是一端平口TBE是Threaded Both End的縮寫，意思是兩端螺紋PBE是Plain Both End的縮寫，意思是兩端平口TOEamp。POE就是一端平口，另一端螺紋連接TBE是兩頭都是螺紋連接PBE是兩頭都是平口（焊接）BBE 兩端都是坡