【正文】 Elbow45186。nonreturn valve 活塞式止回閥 piston check valve 斜翻盤止回閥 tilting disc check valve 蝶式止回閥 butterfly check valve 其它用途的閥安全泄氣閥 safety valve(SV)安全泄液閥 relief valve(RV)安全泄壓閥 safety relief valve 杠桿重錘式 lever and weight type 引導閥操縱的安全泄氣閥 pilot operated safety valve 復式安全泄氣閥 twin type safety valve 罐底排污閥 flushbottom tank valve 電磁閥 solenoid valve, solenoid operated valve 電動閥 electrically operated valve, electricmotor operated valve 氣動閥 pneumatic operated valve 低溫用閥 cryogenic service valve 蒸汽疏水閥 steam trap 機械式疏水閻 mechanical trap 浮桶式疏水閥 open bucket trap, open top bucket trap 浮球式疏水閥 float trap 倒吊桶式疏水閥 inverted bucket trap 自由浮球式疏水閥 loose float trap 恒溫式疏水閥 thermostatic trap 金屬膨脹式蒸汽疏水閥 metal expansion steam trap 液體膨脹式蒸汽疏水閥 liquid expansion steam trap 9 雙金屬膨脹式蒸汽疏水閥 bimetallic expansion steam trap 壓力平衡式恒溫疏水閥 balanced pressure thermostatic trap 熱動力式疏水閥 thermodynamic trap 脈沖式蒸汽疏水閥 impulse steam trap 放氣閥（自動放氣閥）air vent valve(automatic air vent valve)（疏水閥用）平板式滑動閘閥 slab type sliding gate valve 蓋閥 flat valve 換向閥 diverting valve, reversing valve 熱膨脹閥 thermo expansion valve 自動關閉閥 selfclosing gate valve 自動排液閥 selfdraining valve 管道盲板閥 lineblind valve 擠壓閥 squeeze valve（用于泥漿及粉塵等）呼吸閥 breather valve 風門、擋板 damper 減壓閥 pressure reducing valve, reducing valve 控制閥 control valve 膜式控制閥 diaphragm operated control valve 執(zhí)行機構 actuator 背壓調節(jié)閥 back pressure regulating valve 差壓調節(jié)閥 differential pressure regulating valve 壓力比例調節(jié)閥 pressure ratio regulating valve 未指明結構（或閥型）的閥切斷閥 block valve。swage nipple 彎管 Bend 預制彎管 fabricated pipe bend 跨越彎管（^ 形）crossover bend 偏置彎管（~ 形）offset bend 90176。斜三通 45176。斜三通(一個直通口為異徑)45176。長半徑彎頭 90176。 Weldingon collar|平焊環(huán)...weldolet|焊接支管臺...weldolet|焊接支管臺 Welding repair procedure 補焊工藝...weldolet 焊接管臺...Wind vane 風向標 weldment 焊件...weldolet 對焊管座...well killing pump 壓井泵；對焊管座welding plate flange焊接板式法蘭...weldolet螺紋支管臺；對焊管座...WN（簡）帶頸對焊法蘭 彎管（? 形）single offset quarter bend S形彎管 “S” bend單側偏置U形膨脹彎管（| ?形）single offset “U” bend U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)。斜三通（支管為異徑）45176。 Y Outside Screw and Yoke 外螺紋閥桿和閥軛 OSNB Outside Screw NonBonnet 外螺紋無閥蓋 P P Plug 堵頭PAP Piping Arrangement Plan 管道布置平面圖 PB Pressure Seal Bonnet 壓力密封的閥蓋 PB Plain End –Bevel End平端—坡口端 PC Pressure Seal Cap 壓力密封的閥帽 Circle Diameter 節(jié)圓直徑 PE Plain End(not beveled)平端（無坡口）PF Platform平臺PID Piping amp。斜三通(一個直通口及支管為異徑)45176。第一篇：管件中英文對照表l 彎頭 elbow 異徑彎頭 reducing elbow 帶支座彎頭 base elbow 長半徑彎頭（）long radius elbow l 三通 tee 異徑三通 reducing tee 等徑三通 straight tee 帶側向口的三通（右向或左向）side outlet tee(right hand or 1eft hand)異徑三通（分支口為異徑）reducing tee(reducing on outlet)異徑三通（一個直通口為異徑）reducing tee(reducing on one run)帶支座三通 base tee 異徑三通（一個直通口及分支口為異徑）reducing tee(reducing on one run and outlet)異徑三通（兩個直通口為異徑，雙頭式）reducing tee(reducing on both runs, bull head)45176。 lateral(reducing on one run and branch)Y型三通（俗稱褲衩）true “Y” 四通 cross 等徑四通 straight cross 異徑四通 reducing cross 異徑四通（一個分支口為異徑）reducing cross(reducing on one outlet)異徑四通（一個直通口及分支口為異徑）reducing cross(reducing on one run and outlet)異徑四通（兩個分支口為異徑）reducing cross(reducing on both outlet)異徑四通（一個直通口及兩個分支口為異徑）reducing cross(reducing on one run and both outlet)異徑管 reducer 同心異徑管 concentric reducer 偏心異徑管 eccentric reducer 鍛制異徑管 reducing swage 螺紋支管臺threadolet 焊接支管臺weldolet 承插支管臺sockolet 彎頭支管臺elbolet 斜接支管臺latrolet 鑲入式支管嘴sweepolet 短管支管臺nipolet 支管臺，插入式支管臺 boss l 螺紋支管臺Threadolet l 彎頭支管臺elbolet l 焊接支管臺weldolet；on weld l 短管支管臺nipolet l 承插支管臺sockolet l 燒焊支管臺weldolet l 斜接支管臺latrolet l 承插焊支管臺Sockolet l 支管臺，插入式支管臺boss 管接頭 coupling, full coupling 半管接頭 half coupling 異徑管接頭 reducing coupling 活接頭 union 內外螺紋縮接（俗稱補芯）bushing 管帽 cap(C)堵頭 plug 短節(jié) nipple 異徑短節(jié) reducing nipple。 Instrument Diagram管道及儀表流程圖 PN *Nominal Pressure 公稱壓力 PN Plant North 工廠北向 POS point of Support 支承點 PP Plain End—Plain End 兩端為平端 PREP Preparation 加工準備PSIA *Pounds Per Square Inch Absolute磅/ PSIG Pounds Per Square Inch Gage 磅/ PT Point 點PTFE *Polytetrafluoroethylene聚四氟乙烯 Part PV Plug Valve 旋塞閥PVC *Poly Vinyl Chloride 聚氯乙烯 Q QTY *Quantity 數(shù)量 R R *Radius 半徑 REDReducer 異徑管 REF Reference 參考 REINF Reinforce 加強 REQD Required 需要；申請 REV *Revision 修改 RF Raised Face 凸面 RG Ring Gasket 環(huán)形墊片 Right Hand Thread 右螺旋 RJ Ring Joint 環(huán)墊接頭 RO Restriction Orifice 限流孔板 RPM *Revolutions Per Minute 轉/分 RPS *Revolutions Per Second 轉/秒 RS Resting Support 支承架，滑動架 RTJ Ring Type Joint（見RJ）RV Relief Valve 安全泄液閥 S S *South 南S Spring 彈簧（管架用）SAW(Automatic)Submerged Arc Wel**** 自動埋弧焊 SB Stud Bolt 雙頭螺栓 SB Screwed Bonnet 螺紋閥蓋 SC Sample Cooler 取樣冷卻器 SCH *Schedule 管壁厚系列號 SCRD Screwed 螺紋SEP Small end Plain 小端為平的 SET Small end Threaded 小端帶螺紋 SF SemiFinished 半光 SG Sight Glass 視鏡SH Surface Hard Facing 硬質密封面 SK Sketch 草圖SMAW Shielded Metal Arc Wel**** 有保護的金屬電弧焊 SMLS Seamless 無縫 SN Swaged Nipple 異徑短管 SO Slip – On 滑套SOF Slip – On Flange 滑套法蘭 SPEC *Specification 規(guī)定，說明 SPL Sound Pressure Lever 升壓水準 SQ *Square 方的，平方 SR Shout Radius 短半徑SRE Short Radius Elbow 短半徑彎頭 SS *Stainless Steel 不銹鋼 ST Steam Trap 蒸汽疏水閥 STD *Standard 標準STG Small Tongue amp。 lateral(reducing on branch)45176。slipon welding flange 承插焊法蘭 socket welding flange 松套法蘭 lap joint flange(LJF)對焊法蘭 welding neckflange(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。 threaded(THD)螺紋的...thredolet螺紋管座...thrust fitting推力接頭 sockolet 承插焊支管臺...thredolet 螺紋支管臺...TOP 螺紋接頭Nier mass spectrometer 尼爾質譜儀...nipple 螺紋接頭...Noise equivalent temperatu