管道常用缩写词(仅列入管道专业)ABBREVIATIONS缩写词A * Anchor 固定ABS Absolute 绝对的AISI American Iron and steel Institute 美国钢铁协会ANSI American National Standards Institute 美国国家标准协会API American Petroleum Institute 美国石油学会APPROX Approximate 大约的近似的ASB * Asbestos 石棉ASSY Assembly 装配组装ASME American Society of Mechanical Engineers 美国机械工程师协会ASTM American Society of Testing Material 美国材料试验协会ATM Atmosphere 大气压AWG American wire Gage 美国线规AWS American Welding Society 美国焊接协会AWW A American Water Works Association 美国水工协会BB * Bolted Bonnet 螺栓连接的阀盖B.B. * By Buyer 买方供货B-B * Beveled End –Bevel / End 两端为坡口端B.C. * Bolt Circle 螺栓中心圆直径BC * Bolted Cover 螺栓连接的阀盖BE * Beveled End（for welding）坡口（焊接用）B.E. * Bell End 承口BEP * Both end plain 两端平BET * Both end threaded 两端带螺纹BF * Blind Flange 盲法兰BL * Battery Limit 装置界区BLD * Blind 法兰盖BLDG Building 建筑物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 Weld 对焊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 花纹钢板C.I. Cast Iron 铸铁C.I. Cast Iron 铸铁CL * Center Line 中心线CL Class 英制压力等级、等级、种类CLEAR Clearance 间隙CO * Clean out 清除、清扫COD * Continued On Drawing 持续图COL Column 柱、塔CONC Concentric 同心的CONN Connection 连接部CONT Continue 接续CONT V Control V alve 控制阀CPLG Coupling 管接头、连轴器C.S. * Carbon Steel 碳钢C.S. Cold spring 冷紧、冷拉C.S.C. Car Seal Close 在封闭状态下开放C.S.O. Car Seal open 在开放状态下封住CUST Customer 顾客CV Check valve 止回阀DEG Degree 度DF * Drain Funnel 排液漏斗DIA Diameter 直径DIM Dimension 尺寸DISCH Discharge 出口、排出DMF * Double Male and Female 双重凸凹DN * Down 下DN * Nominal Diameter 公称直径DR * Drain 排液DS * Directional Stop 定向限位架DWG Drawing 图E East 东EC * External coating 外面防腐层ECC * Eccentric 偏心的EFW * Electric Fusion welded 电容焊的EL（ELEV）* Elevation 标高、立面ELB * Elbow 弯头EQUIP * Equipment 设备、装备EQUIV * Equivalent 相当的ERW * Electric Resistance welded 电阻焊的EXP.JT. * Expansion Joint 膨胀节FDN * Foundation 基础FF Flat Faced or Full Faced 全平面、满平面F-F * Face to Face 面至面FIG Figure 图FL * Floor 楼面FLEX.TUBE Flexible Tube 扰性管FLG * Flange 法兰FLGD * Flanged 法兰式的FLG.F * Flanged Face 法兰面FOB * Flat On Bottom 底面平FOB * Flat On Top 顶面平F.P * Fix Point 固定点F.S. Forged steel 锻钢FTG * Fitting 管件FURND * Furnished 提供的、装设的F.W. * Field Weld 现场焊G * Guide 导向GA Gage 表、表压、规（线规）GALV Galvanize 镀锌GL * Ground Level 地面GLV * Globe Valve 截止阀GMAW 二保焊GEAR OP * Gear Operated 齿轮传动的GSKT * Gasket 垫片GTAW 氩弧焊GV Gate Valve 闸阀H * Hanger 吊架HC * Hose connection 软管接头H.CPLG * Half Coupling 半节管接头HDR * Header 总管HEX. Hexagon 六角形HOR * Horizontal 水平的HF * Hard Alloy Face On Valve Trim 硬质合金密封圈HH * Hand Hole 平孔H.P. High Pressure 高压HS * Hose Station 软管站ID Inside Diameter 内径IN Inch 英寸INS * Insulation 隔热INST Instrument 仪表INV Invert(inside bottom of pipe) 管子内底IPS Iron pipe size 铁管尺寸I.D. Isolating Drawing 轴测图I.B.L. Inside Bettery Limit 装置边界内侧ISNS Inside screw & Non-rising stem 内螺纹非升杆式(暗杆) ISRS * Inside screw & rising stem 内螺纹升杆式(明杆)JT * Joint 接头K * Kip(1000lb) 千磅LC * Locked Closed 在关闭状态下锁定LEP * Large End plain 大端为平的LET * Large End Threaded 大端带螺纹LG * Long 长L.H.THD * Left Hand Thread 左螺纹LIFT * Lift Type 升降式LJ * Lap Joint 搭接LJF * Lap Joint Flange 松套法兰LO * Locked Open 在开启状态下锁定L.P. * Low Pressure 低压LR * Long radius 长半径LRE * Long radius Elbow 长半径弯头LTG * Large Tongue & Groove 大撑槽MATL * Material 材料MAX. Maximum 最大MB * Machine Bolt 机器螺栓(单头)MF * Male and Female 凸和凹MFG * Manufacture 制造MFR Manufacturer 制造厂MH * Manhole 人孔MI Malleable Iron 可锻铸铁MIG 气体保护金属熔丝焊MIN Minimum 最小MJ * Mechanical Joint 机械接头M.L. * Match Line 接续线MSS Manufacturers Standardization Society 制造业标准化协会MTO * Material take-off 材料统计MW * Minimum wall 最小壁厚M.W. * Mineral wool 矿物棉N North 北NB * Nominal Bore 公称孔径N.B. * Non-Bonnet 无阀盖NC * Normally Closed 常闭NIP * Nipple 短管NO * Normally Open 常开NO. Number 号、数量NO INS * NO Insulation 不隔热NOM Nominal 公称、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 Pipe Thread （60°）美国锥管螺纹NS * Nominal Size 公称直径NV * Needle Valve 针形阀OD Outside Diameter 外径OET * One End Thresded 一端带弯头OR Outside Radius 外半径ORF * Orifice 孔板ORIENT * 方位OS & Y Outside Screw and Yoke 外螺纹阀杆和支架OSNB * Outside Screw Non-Bonnet 外螺纹无阀盖PT 55°铅管细纹PF 55°圆柱管细纹P * Plug 堵头PAP * Piping Arrangement Plan 管道布置平面图PB * Pressure Seal Bonnet 压力密封的阀盘P-B * Plain End- Bevel End 平端-坡口端PC * Pressure Seal Cap 压力密封P.C.D. * Pitch Circle Diameter 节圆直径PE * Plain End （not beveled）平端（无坡口）PF * Platform 平台PLD * Piping & Instrument Drawing 管仪图PN Nominal Pressure 公称压力(公制)PN Plant North 工厂北向POS Point of Support 支承点P-P * Plain End- Plain End 两端为平端PQR Procedure Qualification Report 工艺评定报告PREP * Preparation 加工准备PSIA Pounds Per Square Inch Absolute 磅/英寸2(绝) PSIG Pounds Per Square Inch Gage 磅/英寸2(表)# * Pounds Per Square Inch 磅/英寸2PT * 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PL * Plastic 塑料QTY Quantity 数量R 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 突面RG * Ring Gasket 环形垫片R.H.THD. * Right Hand Thread 右螺纹RJ 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 卸压阀、安全阀S South 南S Spring 弹簧SB Stud Bolt 双头螺栓S.B Screwed Bonnet 螺纹阀盖SCH Schedule 管壁厚系列号、表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SH * Surface Hard Facing 硬制密封面SK * Sketch 草图SMAW Shielded Metal Arc Welding 手弧焊SMLS * Seamless 无缝SN * Swaged Nipple 锻制短管SO *Slip-On 滑套SOF * Slip-On Flange 滑套法兰SPEC * Specification 规定、说明SQ Square 方的、平方SR * Short Radius 短半径SRE * Short Radius Elbow 短半径弯头SS * Stainless Steel 不锈钢STD Standard 标准STG * Small Tongue & Groove 小撑槽面STL Steel 钢STM * Steam 蒸汽STM.TR. * Steam Tracing 蒸汽伴热SUCT * Suction 吸入口SV * Safety Valve 安全阀SW * Socket Weld 承插焊SWG * Swage 锻造、模锻SWNG * Swing Type 旋启式SYM * Symmetrical 对称的T Tee 三通TE Threaded End 螺纹端TEMP Temperature 温度TG Tongue &Groove 榫槽THD Threaded 螺纹的THK Thickness 厚度TIG 钨极气体保护惰性焊TN True North 真实北向TOC Top of Concrete 混凝土顶面TOP Top of Pipe 管顶TOS * Top Of Support 支架顶面TOS Top Of Steel 钢结构顶面TYP * Typical 典型的UB * Union Bonnet 带活接头的阀盖UC * Union Cap 带活接头的阀帽UN * Union 活接头V * Valve 阀V AC * Vacuum 真空V AR * Variable 可变的VERT * Vertical 垂直的VOL V olume 卷、册、容量、体积W 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 * Welding Line 焊接线WN * Welding Neck 对焊（法兰）WNF * Weld Neck Flange 对焊法兰WP * Working Pressure 工作压力WPS Welding Procedure Specification 焊接工艺W.P. * Working Point 工作点WT *Wall Thickness 壁厚WT Weight 重量XH * Extra Heavy 加强的、加厚的XXH * Double Extra Heavy 双倍加强（厚）的XS * Exira Strong 加强的XXS * Double Extra Strong 双倍加强的YP * Yield Point 屈服点注:对于技术文件的文字部分如不易了解缩写词的含义时应避免采用缩写词,如必须采用应加解释,此类缩写词均标*号.。