1、管道英文缩写通用术语A Anchor 固定ABS *Absolute 绝对的AISI *American Iron andSteel Institute 美国钢铁学会ANSI *American National Standards Institute 美国国家标准学会API *American Petroleum Institute 美国石油学会APPROX *Approximate 大约，近似的ASB Asbestos 石棉 ASME *American Society Of Testing Material 美国机械工程师协会ASSY *Assembly 装配，组装ASTM *Ameri
2、can Society Of Testing Material 美国材料实验协会ATM *Atmosphere 大气压AWG *American Wire Gage 美国线规AWS *American Wel* Society 美国焊接协会AWWA *American Water WorksAssociation 美国水工协会 B BB Bolted Bonnet 栓柱连接的阀盖BB By Buyer 买方供货B-B Beveled End-Beveled End 两端为坡口端BC Bolt Circle 螺栓中心圆 B.C Bolted Cover(cap) 螺栓连接的阀兰盖（帽） BE B
3、eveled End (for wel*) 坡口（焊接用）B.E Bell End 承口BEP Both Ends Plain 两端平BET Both Ends Threaded 两端带螺纹BL Battery Limit 装置区边界BF Blind Flange 法兰盖BLD Blind 盲板BLDG *Buil* 建筑物BM Bill Of Material 材料表BOP Bottom Of Pipe 管底B-P Beveled End Plain End 坡口端.平端BV Butterfly valve 蝶阀BWG * Birmingham Wire Gage 伯明翰线规BW Butt
4、Weld 对焊CC Cap 管帽C-C Center to Center 中至中C-E Center to End 中至端面C-F Center to Face 中至面CH-OP Chain Operated 链条操纵的CH.PL Checkered Plate 花纹钢管C.I *Cast Iron 铸铁CL *Class 英制压力等级，等级，种类CLEAR Clearance 间隙COD Continued on Drawing 接续图COL *Column 柱，塔CONC Concentric 同心的CONN Connection 连接，接口CONT *Continue 连续CONT.V.
5、 Control Valve 控制阀CPLG Coupling 管接头，连轴节C.R. Concentric Reducer 同心异径管C.S. *Carbon Steel 碳钢C.S. Cold Spring 冷紧C.S.C. Car Seal Close 在关闭状态下封住C.S.O. Car Seal Open 在开启状态下封住CUST Customer 客C.V Check Valve 止回阀DDEG *Degree 度DF Drain funnel 排液漏斗DIA *Diameter 直径DIM *Dimension 尺寸DISCH *Discharge 出口，排出Diaphragm
6、VELVE 隔膜阀DMF Double Male And Female 双重凹凸DN *Double Male And Female 公称直径DN Down 下DR Drain 排液DS Directional Stop 定向限为架DWG *Drawing 图EE *East 东EC External Coating 外面涂防腐层ECC Eccentric 偏心EFW Electric Fusion Welded 电容焊的EL(ELEV) *Elevation 标高；立面ELL Elbow 弯头EQIOP Equipment 设备，装置EQUIV Equivalent 相当的E.R. Ecce
7、ntric Reducer 偏心异经管ERW Electric Resistance Welded 电阻焊的EW Eye Washer 常开*Number 号； 数量NO INS No Insulation 不隔热NOM Nominal 公称的；额定的NOZ Nozzle 管口NPS Nominal Pipe Size 公称管径NPSH Net Positive Suction Head 净正吸入压头NPT *American National Taper 美国锥管螺纹Pipe ThreadNS Nominal Size 公称直径NV Needle Valve 针形阀OOD *Outside
8、Diameter 外径OET One end Threaded 一端带螺纹OR Outside Radius 外半径ORF Orifice 孔板ORIENT Orientation 方位OS & Y Outside Screw and Yoke 外螺纹阀杆和阀轭OSNB Outside Screw Non-Bonnet 外螺纹无阀盖PP Plug 堵头PAP Piping Arrangement Plan 管道布置平面图PB Pressure Seal Bonnet 压力密封的阀盖P-B Plain End Bevel End 平端坡口端PC Pressure Seal Cap 压力密封的阀帽
9、P.C.D. Pitch Circle Diameter 节圆直径PE Plain End (not beveled) 平端（无坡口）PF Platform 平台PID Piping & Instrument Diagram 管道及仪表流程图PN *Nominal Pressure 公称压力PN Plant North 工厂北向POS point of Support 支承点P-P Plain EndPlain End 两端为平端PREP Preparation 加工准备PSIA *Pounds Per Square InchAbsolute 磅/PSIG Pounds Per Square
10、Inch Gage 磅/PT Point 点PTFE *Polytetrafluoroethylene 聚四氟乙烯PT.NO Part No. 件号PV Plug Valve 旋塞阀PVC *Poly Vinyl Chloride 聚氯乙烯QQTY *Quantity 数量RR *Radius 半径RED Reducer 异径管REF Reference 参考REINF Reinforce 加强REQD Required 需要；申请REV *Revision 修改RF Raised Face 凸面RG Ring Gasket 环形垫片R.H.THD Right Hand Thread 右螺旋R
11、J Ring Joint 环垫接头RO Restriction Orifice 限流孔板RPM *Revolutions Per Minute 转/ 分RPS *Revolutions Per Second 转/秒RS Resting Support 支承架，滑动架RTJ Ring Type Joint（见 RJ）RV Relief Valve 安全泄液阀SS *South 南S Spring 弹簧（管架用）SAW (Automatic)Submerged Arc Wel* 自动埋弧焊SB Stud Bolt 双头螺栓SB Screwed Bonnet 螺纹阀盖SC Sample Cooler
12、 取样冷却器SCH *Schedule 管壁厚系列号SCRD Screwed 螺纹SEP Small end Plain 小端为平的SET Small end Threaded 小端带螺纹SF Semi-Finished 半光SG Sight Glass 视镜SH Surface Hard Facing 硬质密封面SK Sketch 草图SMAW Shielded Metal Arc Wel* 有保护的金属电弧焊SMLS Seamless 无缝SN Swaged Nipple 异径短管SO Slip On 滑套SOF Slip On Flange 滑套法兰SPEC *Specification
13、 规定，说明SPL Sound Pressure Lever 升压水准SQ *Square 方的，平方SR Shout Radius 短半径SRE Short Radius Elbow 短半径弯头SS *Stainless Steel 不锈钢ST Steam Trap 蒸汽疏水阀STD *Standard 标准STG Small Tongue & Groove 小椎槽面STL *Steel 钢STM Steam 蒸汽STM.TR Steam Tracing 蒸汽拌热SUCT Suction 吸入口SV Safety Valve 安全泄气阀SW Socket Weld 承插焊SWG Swage
14、锻造，模锻SWMG Swing Type 旋启式SYM Symmetrical 对称的TT Tee 三通TE Threaded End 螺纹端TEMP *Temperature 温度TG Tongue & Groove 椎槽THD *Threaded 螺纹的THK *Thickness 厚度TL Tangent Line 切线TN True North 真实北向TOC Top of Concrete 混凝土北向TOP Top of pipe 管顶TOS Top of Support 支架顶面Top of Steel 钢结构顶面TYP Typical 典型的UUB Union Bonnet 带活
15、接头的阀盖UC Union Cap 带活接头的阀帽UN Union 活接头VV Valve 阀VAC Vacuum 真空VAR Variable 可变的VERT Vertical 垂直的VOL *Volume 卷，册，容量，体积WW *West 西WB Weld Branch 焊接支管WC Weld Cap 焊接管帽WD Width 宽度WE Weld End 焊接端WL Wel* Line 焊接线WN Wel* Neck 对焊法兰（颈部）WNF Weld Neck Flange 对焊法兰WP Working Pressure 工作压力W.P. Working Point 工作点WT Wall Thickness 壁厚Weight 重量XXH Extra Heavy 加强的，加厚的XXH Double Extra Heavy 双倍加强（厚）的XS Extra Strong 加强的XXS Double Extra Strong 双倍加强的YYP Yield Point 屈服点
