【正文】 al 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。 Groove 小椎槽面 STL *Steel 鋼 STM Steam 蒸汽 Steam Tracing 蒸汽拌熱 SUCT Suction 吸入口 SV Safety Valve 安全泄氣閥 SW Socket Weld 承插焊 SWG Swage 鍛造，模鍛 SWMG Swing Type 旋啟式 SYM Symmetrical 對稱的 T TTee 三通TE Threaded End 螺紋端 TEMP *Temperature 溫度 TG Tongue amp。 Groove 椎槽 THD *Threaded 螺紋的 THK *Thickness 厚度 TL Tangent Line 切線 TN True North 真實北向 TOC Top of Concrete 混凝土北向 TOPTop of pipe 管頂 TOS Top of Support 支架頂面 Top Topof Steel 鋼結構頂面 TYP Typical 典型的 U UB Union Bonnet 帶活接頭的閥蓋 UC Union Cap 帶活接頭的閥帽 UN Union 活接頭 V V Valve 閥 VAC Vacuum 真空 VAR Variable 可變的 VERT Vertical 垂直的VOL *Volume 卷，冊，容量，體積 W W *West 西WB Weld Branch 焊接支管 WC Weld Cap 焊接管帽 WD Width 寬度 WE Weld End 焊接端 WLWel**** Line 焊接線WNWel**** Neck 對焊法蘭（頸部）WNF Weld Neck Flange 對焊法蘭 WP Working Pressure 工作壓力 Point 工作點 WT Wall Thickness 壁厚 Weight 重量 X XH Extra Heavy 加強的，加厚的XXH Double Extra Heavy 雙倍加強（厚）的 XS Extra Strong 加強的XXS Double Extra Strong 雙倍加強的 Y YP Yield Point 屈服點 管件 Fitting彎頭elbow 異徑彎頭 reducing elbow 帶支座彎頭 base elbow k半徑彎頭long radius elbow 短半徑彎頭 short radius elbow 長半徑180176。彎頭 long radius return 短半徑180176。彎頭 short radius return 帶側向口的彎頭（右向或左向）side outlet elbow(right hand or left hand)雙支管彎頭（形）double branch elbow 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。斜三通 45176。 lateral 45176。斜三通（支管為異徑）45176。 lateral(reducing on branch)45176。斜三通(一個直通口為異徑)45176。 lateral(reducing on one run)45176。斜三通(一個直通口及支管為異徑)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 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。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。彎管quarter bend 環(huán)形彎管cirele bend 單側偏置90176。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)。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。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 gasket TOE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