编号缩写中文名称英文名称1．管子及管件1.1 P 管子Pipe1.2 EL 弯头Elbow1.2.1 ELL 长半径弯头Long radius elbow1.2.2 ELS 短半径弯头Short radius elbow1.2.3 MEL 斜接弯头（虾米腰弯头）Mitre elbow1.2.4 REL 异径弯头Reducing elbow1.3 T 三通Tee1.3.1 LT 斜三通Lateral tee1.3.2 RT 异径三通Reducing tee1.4 R 异径管接头（大小头）Reducer1.4.1 CR 同心异径管接头（同心大小头）Concentric reducer 1.4.2 ER 偏心异径管接头（偏心大小头）Eccentric reducer 1.5 CPL 管箍Coupling1.5.1 FCPL 双头管箍Full coupling1.5.2 HCPL 单头管箍Half coupling1.5.3 RCPL 异径管箍Reducing coupling1.6 BU 内外螺纹接头Bushing1.7 UN 活接头Union1.8 HC 软管接头Hose coupler1.9 SE 翻边短节Stub end1.10 NIP 短节Pipe nipple or straight nipple1.10.1 SNIP 异径短节Swaged nipple1.11 CP 管帽（封头）Cap1.12 PL 管堵（丝堵）Plug1.13 BLK 盲板Blank1.13.1 SB 8 字盲板Spectacle blind （blank）1.14 RP 补强板Reinforcing pad2．法兰2.1 PLG 法兰Flange2.1.1 WNF 对焊法兰Welding neck flange2.1.2 SOF 平焊法兰Slip-on flange2.1.3 SWF 承插焊法兰Socket-welding flange2.1.4 T 螺纹法兰Threaded flange2.1.5 LJ 松套法兰Lapped joint flange2.1.6 REDF 异径法兰Reducing flange2.1.7 BF 法兰盖（日法兰）Blind flange2.2 FSF 法兰密封面Flange scaling face2.2.1 FF 全平面Flat face2.2.2 RF 凸台面Raised face2.2.3 MFF 凹凸面Male and female face2.2.4 LF 凹面Female face2.2.5 LM 凸面Male face2.2.6 RJ 环连接面Ring joint face2.2.7 TG 榫槽面Tongue and groove face2.2.8 TF 榫面Tongue face2.2.9 GF 槽面Groove face3 . 垫片3.1 G 垫片Gasket3.1.1 NMG 非金属垫片Non-metallic gasket3.1.1.1 AG 石棉垫片Asbestos gasket3.1.1.2 RG 橡胶垫片Rubber gasket3.1.1.3 TEG 聚四氟乙烯包复垫片PTFE envelope gasket 3.1.2 SMG 半金属垫片Semimetallic gasket3.1.2.1 MJG 金属包垫片Meta-jacket gasket3.1.2.2 SWG 缠绕式垫片Spiral wound gasket3.1.3 MG 金属垫片Metallic gasket3.1.3.1 FMG 金属平垫片Flat metallic gasket3.1.3.2 SMSG 齿形金属垫片Solid metal serrated gasket 3.1.3.3 LER 透镜式金属环垫Lens ring gasket3.1.3.4 OCR 八角形金属环垫Octagonal ring gasket3.1.3.5 OVR 椭圆形金属环垫Oval ring gasket3.1.3.6 IR/OR 内外定位环Inner ring and outer ring3.1.3.7 IR 内定位环Inner ring3.1.3.8 OR 外定位环Outer ring4 . 坚固件4.1 B 螺栓Bolt4.1.1 SB 螺柱Stud bolt4.2 NU 螺母Nut4.3 TB 花蓝螺母Turnbuckle4.4 WSR 垫圈Washer4.4.1 SWSR 弹簧垫圈Spring washer5 . 阀门5.1 GV 闸阀Gate valve5.2 GLV 截止阀Globe valve5.3 CHV 止回阀Check valve5.4 BUV 蝶阀Butterfly valve5.5 BAV 球阀Ball valve5.6 PV 旋塞阀Plug valve (cock)5.7 CV 调节阀Control valve5.8 SV 安全阀Safety valve5.9 RV 减压阀Pressure reducing valve5.10 ST 蒸汽疏水阀Steam trap5.11 PRV 泄压阀Pressur relief valve5.12 BV 呼吸阀Breather valve5.13 NV 针形阀Needle valve5.14 AV 角阀5.15 DV 隔膜阀5.16 TWV 三通阀5.17 SGV 插板阀6. 管道上用的小型设备6.1 SPR 气液分离器Separator6.2 FA 阻火器Flame arrester6.3 SR 过滤器Strainer6.3.1 SRY Y 型过滤器Y-type strainer6.3.2 SRT T 型过滤器T-type strainer6.3.3 SRB 桶式过滤器Bucket type strainer6.3.4 TSR 临时过滤器Temporary strainer6.4 SIL 消声器Silencer6.5 SG 视镜Slight glass6.6 SC 取样冷却器Sample cooler6.7 DF 排液漏斗Drain funnel6.8 LM 管道混合器Line mixer6.9 RO 限流孔板Restriction orifice6.9.1 MO 混合孔板Mixing orifice6.1 RD 爆破片(爆破膜) Rupture disk6.11 EJ 补偿器Expansion joint7. 隔热、伴热7.1 INS 隔热Thermal insulation7.1.1 H 保温Hot insulation7.1.2 C 保冷Cold insulation7.1.3 P 防烫伤隔热Personnel protection insulation 7.2 T&I 伴热Tracing and insulation7.3 T 管道伴热（冷）Tracing7.3.1 EST 蒸汽外伴热External steam tracing7.3.2 IST 蒸汽内伴热Internal steam tracing7.3.3 SJT 蒸汽夹套伴热Steam-jacket tracing7.3.4 ET 电伴热Electric tracing8 . 配管材料和等级8.1 M 金属材料Metallic material8.1.1 CS 碳钢Carbon steel8.1.2 CAS 铸钢Cast steel8.1.3 FS 锻钢Forged steel8.1.4 AS 合金钢Alloy steel8.1.5 SS 不锈钢Stainless steel8.1.6 AUST SS 奥氏体不锈钢Austenitic stainless-steel 8.1.7 CI 铸铁Cast iron8.1.8 MI 可锻铸铁Malleable iron8.1.9 DI 球墨铸铁Ductile iron8.1.10 AL 铝Aluminum8.1.11 BRS 黄铜Brass8.1.12 BRZ 青铜Bronze8.1.13 CU 紫铜Copper8.1.14 LAS 低合金钢Low alloy steel8.1.15 FLAS 低合金锻钢Forged low alloy steel8.1.16 CLAS 低合金铸钢Cast low alloy steel8.2 THK 壁厚Thickness8.2.1 SCH 表号Schedule number8.2.2 STD 标准Standard8.2.3 XS 加强Extra strong8.2.4 XXS 特强Double extra strong9. 装置布置9.1 CN 建北Construction north9.2 E 东East9.3 W 西West9.4 S 南South9.5 N 北North9.6 H 水平Horizontal9.7 V 竖直、铅直、直立Vertical9.8 GRD 地坪Ground9.9 UG 地下Underground9.10 BL 装置边界线Battery limit line9.11 ESEW 事故沐浴洗眼器Emergency shower and eye washer 9.12 HS 软管站Hose station9.13 ML 接续分界线Match line9.14 PS 管道支架（管架）Piping support9.15 PR 管桥Pipe rack9.16 STRU 构架（构筑物）Structure9.17 BLDG 建筑物Building9.18 PD 清扫设施Purge device9.19 PT 池Pit9.20 SHLT 棚Shelter9.21 COFF 围堰Cofferdam9.22 FL 楼板Floor9.23 PF 平台Plateform10 . 尺寸标注10.1 EL 标高Elevation10.2 BOP 管底Bottom of pipe10.3 COP 管中心Center of pipe10.4 TOP 管顶Top of pipe10.5 FOB 底平Flat on bottom10.6 FOT 顶平Flat on top10.7 CL（屯）中心线Center line10.8 TL 切线Tangent line10.9 SYM 对称的Symmetrical10.10 BOS 支架底Bottom of support10.11 TOS 支架顶Top of support10.12 CL 净距（净空）Clearance10.13 CTC 中心至中心Center to center10.14 CTF 中心至面Center to face10.15 CTE 中心至端部Center to end10.16 ETE 端到端End to end10.17 FEF 法兰端面Flange and face10.18 FTF 面到面Face to face10.19 D 直径Diameter10.20 DN 公称直径Nominal diameter10.21 ID 内径Inside diameter10.22 OD 外径Outside diameter10.23 DIM 尺寸Dimension10.24 MAX 最大Maximum10.25 MIN 最小Minimum10.26 AVG 平均Average10.27 APP 约、近似Approximate10.28 PT.EL 点标高Point elevation11. 图表11.1 PFD 工艺流程图Process flow diagram11.2 PID 管道和仪表流程图Piping & instrument diagram11.3 COD 接续图Continued on drawing11.4 DTL 详图Datail11.5 SPDWG (ISODWG管段图Spool drawi ng (each line isometric drawi ng)11.6 DWG NO图号Drawing number11.7 DWGI 所在图号Drawing identification11.8 LOW 材料表List of material11.9 MTO 汇料Material take-off11.10 APPX 附录Appendix11.11 JOB. No. 工号Job Number11.12 BEDD 基础工程设计数据Basic engineering design data11.13 DEDD 详细工程设计数据Detail engineering design data11.14 REV. No. 修改号Recision number11.15 REF DWG 参考图Refere nee drawi ng11.16 SC 采样接口Sample connection12 . 操作方式及工作参数12.1 AUT 自动Automatic12.2 ML 手动Manual control12.3 CHOP 链条操作Chain operated12.4 CSC 铅封关Car seal close12.5 CSO 铅封开Car seal open12.6 LC 锁闭Lock closed12.7 LO 锁开Lock open12.8 NC 正常关Normally close12.9 NO 正常开Normally open12.10 ATM 大气压Atmosphere12.11 PN 公称压力Nominal pressure12.12 A 绝压12.13 G 表压12.14 (T) 温度Temperature12.15 (P) 压力Pressure13 . 施工13.1 W 焊接Welding13.1.1 AW 电弧焊Arc welding13.1.2 GSAW 气体保护电弧焊Gas shielded-acr welding13.1.3 EFW 电熔焊Elecric fusion welding13.1.4 ERW 电阻焊Electric Resistance welding13.1.5 GW 气焊Gas welding13.1.6 LW 搭接焊Lap welding13.1.7 BW 对焊Butt welding13.4.8 TW 定位焊Tack welding13.1.9 SW 承插焊Socket welding13.1.10 CW 连续焊Continuous welding13.1.11 SEW 密封焊Seal welding13.1.12 SFG 堆焊Surfacing13.1.13 FW 现场焊接Field welding13.2 HT 热处理Heat treatment13.2.1 PH 预热Preheating13.2.2 SR 应力消除Stress relief13.2.3 PWHT 焊后热处理Post weld heat treatment13.3 EIT 检查、探伤和实验Examination, inspection & testing 13.3.1 VE 外观检查Visual examination13.3.2 UI (UT) 超声探伤Ultrasonic inspection (test)13.3.3 RI (RT) 射线探伤Radiographic inspection (test)13.3.4 MPI (MT) 磁粉探伤Magnetic particle inspection (test) 13.3.5 LPI (PT) 液体渗透检验Liquid penterant inspection (test) 13.3.6 HADT 硬度实验Hardness testing13.3.7 HYDT 水压实验Hydraulic testing13.3.8 PNET 气压实验Pneumatic testing13.3.9 CE 焊条Covered electrode13.3.10 WW 焊丝Welding wire13.3.11 ASSY 装配、组合Assembly13.3.12 F 现场Field13.3.13 F/F 现场制造Field fabricated13.3.14 SF 现场决定Suit in field13.3.15 CSP 冷紧Cold spring13.3.16 BCT 螺栓冷紧Bolt cold tightening13.3.17 BHY 螺栓热紧Bolt hot tightening13.3.18 CO 清洗口Clean out13.3.19 ANNY 退火Annealed13.4 PE 平端面Plain end13.5 BE 坡口端Belelled end13.6 THR 螺纹Thread13.7 HB 布氏硬度Brinnel hardness13.8 RC 洛氏硬度14. 其他14.1 FDN 基础Foundation14.2 INF 信息（资料）Information14.3 REF 参考Reference14.4 REV 修改Revision14.5 SEQ 序号（顺序）Sequence14.6 W/E 设备带来With equipment14.7 W/I 仪表带来With instrument14.8 CM 色标Colour mark14.9 CA 腐蚀裕度Corrosion allowance14.10 UTL 公用系统Utility14.11 UC 公用工程接头Utility connection14.12 QTY 数量Quantity14.13 WT 重量Weight14.14 MHR 工时Man hour14.15 BC 螺栓分布圆Bolt circle14.16 HP 高点High point14.17 LP 低点Low point14.18 SUC 吸入（口）Suction14.19 DIS 排出（口）Discharge14.20 SO 蒸气吹扫（口）Steam out14.21 NPT 美国标准锥管螺纹National standard taper pipe thread 14.22 NPS 美国标准直管螺纹National standard straight pipe thread 14.23 DR 排液Drain14.24 VT 放气Vent14.25 RTG （压力）等级Rating14.26 CL 等级Class14.27 SMLS 无缝Seamless。