序号 | 缩 写 词 | 说明DESCRIPTION | 1 | AARH | Arithmetic Average Roughness Height算术平均粗糙度高度 | 2 | AGSS | Angular Seating Surface角支持面 | 3 | AMB | Ambient环境 | 4 | ANSI | American National Standards Institute美国国家标准协会 | 5 | AO | Adjustable Opening可调式开 | 6 | API | American Petroleum Institute美国石油协会 | 7 | AS | Alloy Steel合金钢 | 8 | ASB | Asbestos石棉 | 9 | ASBR | Asbestos Rubber石棉橡胶 | 10 | ASME | American Society Of Mechanical Engineers美国机械工程师学会 | 11 | ASTM | American Society Of Testing Materials美国材料及试验学会 | 12 | AV | Angle Valve角阀 | 13 | AWWA | American Water Works Association美国自来水厂协会 | 14 | BV | Ball Valve球阀 | 15 | BB | Bolted Bonnet螺栓连接阀盖 | 16 | BBE | Bevel Both Ends两端坡口端 | 17 | BC | Bolted Cover螺栓连接阀帽 | 18 | BE | Bevel End坡口端 | 19 | BLD | Blind Flange盲法兰（法兰盖） | 20 | BLS | Bellows Sealing 波纹管密封 | 21 | BFW | Boiler Feed Water锅炉给水 | 22 | BG | Bolted Gland螺栓连接填料压盖 | 23 | BLE | Bevel Large End大端坡口端 | 24 | BLK | Blank插板（盲板） | 25 | BS | British Standard英国标准 | 26 | BFV | Butterfly Valve蝶阀 | 27 | BTV | Breathing Valve呼吸阀 | 28 | BW | Butt Welded对焊 | 29 | C | Carbon / Carbon Content碳/碳含量 | 30 | CA | Corrosion Allowance腐蚀裕量 | 31 | CV | Check Valve止回阀 | 32 | CI | Cast Iron铸铁 | 33 | CL | Class等级 | 34 | COMM. CODE | Commodity Code商品代码 | 35 | CON | Concentric同心 | 36 | CPL | Coupling管箍 | 37 | CR | Chloroprene Rubber氯丁橡胶 | 38 | CS | Carbon Steel 碳钢 | 39 | DE S-Bolt | Double End Stud Bolt双头螺柱 | 40 | DN | Nominal Diameter 公称直径 | 41 | DR | Drip Ring排污环 | 42 | DSAW | Double Side Arc Welding双面埋弧焊 | 43 | DI | Ductile Iron球墨铸铁 | 44 | DV | Diaphragm Valve隔膜阀 | 45 | EB | Extended Bonnet延长阀盖 | 46 | ECC | Encentric偏心 | 47 | EFW | Electrical Fusion Welding电熔焊 | 48 | EL | Elbow弯头 |
49 | ENR STD | Engineering Standard工程标准 | 50 | EPDM | Ethylene-Propylene-Diene Monomer 三元乙丙橡胶 | 51 | ERW | Electrical Resistance Welding电阻焊 | 52 | FCPL | Full Coupling双承口管箍 | 53 | FF | Flat Face全平面（密封面） | 54 | FG | Flexible Graphite柔性石墨 | 55 | FLB | Floating Ball浮动式球阀 | 56 | FLG | Flanged法兰 | 57 | FNPT | 60°Female NPT Threads60°NPT内螺纹 | 58 | FP | Full Port全通径 | 59 | FRP | Fiberglass-Reinforced Plastics玻璃纤维增强塑料（玻璃钢） | 60 | FT S-BOLT | Full Threaded Stud Bolt全螺纹螺柱 | 61 | GSK | Gasket垫片 | 62 | GALV | Galvanized 镀锌 | 63 | GBP | Stainless Steel Wire & Flexible Graphite Braided Packing不锈钢丝和柔性石墨纺织填料 | 64 | GBPR | Stainless Steel Wire & Flexible Graphite Braided Packing+Flexible Graphite Packing Ring不锈钢丝和柔性石墨纺织填料＋柔性石墨填料环 | 65 | GLV | Globe Valve截止阀 | 66 | GMG | Grooved Metal Gasket齿形金属垫片 | 67 | GO | Gear Operation 齿轮操作 | 68 | GR | Grade 级别 | 69 | GRAF | Graphite石墨 | 70 | GV | Gate Valve闸阀 | 71 | HAS-C | Hastelloy-C哈斯合金-C | 72 | HCPL | Half Coupling单承口管箍 | 73 | HEX | Hexagon六角 | 74 | HHN | Heavy Hexagonal Nut重型六角螺母 | 75 | HF | Hardening Face 表面硬化 | 76 | HFW | High Frequency Welding高频焊 | 77 | HPS | High Pressure Service高压介质 | 78 | HW | Hand Wheel 手轮 | 79 | ID | Inside Diameter内径 | 80 | IR | Inner Ring内环 | 81 | ISO | International Organization For Standardization国际标准组织 | 82 | JS | Jack Screw顶丝螺纹 | 83 | LAT | Lateral Tee斜三通 | 84 | LB | Pound 磅 | 85 | LF | Female Face / Large Female Face凹面/大凹面（密封面） | 86 | LG | Large Groove 大槽面（密封面） | 87 | LGS | Longitudinal Seam纵向焊缝 | 88 | IT | Impact Test 冲击试验 | 89 | LJ | Lap Joint松套连接 | 90 | LM | Male Face / Large Male Face凸面/大凸面（密封面） | 91 | LM / LF | Large Male Face/ Large Female Face大凸面/大凹面（密封面） | 92 | LN | Lined衬里 | 93 | LP | Low Pressure低压 | 94 | LR | Long Radius长半径 | 95 | LT | Large Tongue 大榫面（密封面） | 96 | LT / LG | Large Tongue And Large Groove 大榫面和大槽面（密封面） | 97 | LTS | Low Temperature System低温系统 | 98 | LTCS | Low Temperature Carbon Steel 低温碳钢 | 99 | LUG | Lug Type凸耳型 |
100 | MAX | Maximum 最大 | 101 | MEG | Metallic Envelope Gasket金属包覆垫片 | 102 | MFR | Manufacturer制造商 | 103 | MH | Metallic Hose金属软管 | 104 | MI | Malleable Iron可锻铸铁 | 105 | MIN | Minimum最小 | 106 | MNPT | 60º Male NPT Thread60ºNPT外螺纹 | 107 | MP | Medium Pressure中压介质 | 108 | MSS | American Valve & fitting Fabrication StandardizationAssociation美国阀门及配件工业制造商标准 | 109 | MT | Magnetic Particle Testing磁粉检测 | 110 | MTO | Material Take-Off材料统计 | 111 | NB | Non-Bonnet 非阀盖 | 112 | NBE | Nipple Both Ends两端短节 | 113 | NBR | Nitrile-Butadiene Rubber丁腈橡胶 | 114 | No | Number 编号 | 115 | NPS | Nominal Pipe Size 管子公称尺寸 | 116 | NPT | National Taper Pipe (Thread)（美国）国家锥形管螺纹 | 117 | NR | Natural Rubber天然橡胶 | 118 | NV | Needle Valve针形阀 | 119 | OCR | Octagonal Ring Gasket八角形环垫片 | 120 | OD | Outside Diameter 外径 | 121 | OLET | Out-Let管嘴（支管台） | 122 | OR | Outer Ring外环 | 123 | OS & Y | Outside Screw And Yoke支架式明杆外螺纹 | 124 | OV | Orbit Valve轨道阀门 | 125 | OVR | Oval Ring Gasket椭圆形环垫片 | 126 | P&ID | Piping And Instrument Diagram管道和仪表流程图 | 127 | PP | Polypropylene聚丙烯 | 128 | PATN | Pattern型式 | 129 | PSB | Pressure Sealing Bonnet压力密封阀盖 | 130 | PBE | Plain Both Ends两端平端面 | 131 | PSC | Pressure Sealing Cap压力密封阀帽 | 132 | PE | Plain End平端面 | 133 | PLSO | Plate Slip-On 板式平焊 | 134 | POE | Plain One End一端平端面 | 135 | PPL | Polyphenyl聚苯 | 136 | PRESS | Pressure压力 | 137 | PSE | Plain Small End 小端平端面 | 138 | PTFE | Polytetrafluoroethylene聚四氟乙烯 | 139 | PV | Plug Valve旋塞阀 | 140 | PVC | Polyvinyl Chloride 聚氯乙烯 | 141 | PVDF | Polyvinylidene Fluoride聚偏二氟乙烯 | 142 | PWHT | Post Welding Heat Treatment 焊后热处理 | 143 | R | Radius 半径 | 144 | R1 | 55° Taper Pipe External Thread55°锥管外螺纹 | 145 | Rc | 55° Taper Pipe Internal Thread55°锥管内螺纹 | 146 | RCPL | Reducing Coupling异径管箍 | 147 | RED | Reduced异径 | 148 | REP | Reduced Port缩径 | 149 | RF | Raised Face 突台面（密封面） | 150 | RFG | Reinforced Flexible Graphite增强柔性石墨板 | 151 | RJ（RTJ） | Ring Joint (Ring Trough Joint) 环连接（环槽连接密封面） |
152 | RJG | Metallic Ring Joint Gasket金属环连接垫片 | 153 | RP | Reinforcing Pad补强板 | 154 | RSG | Reinforced Sheet Gasket增强板式垫片 | 155 | RT | Radiographic Test射线检测 | 156 | RTFE | Reinforced Polytetrafluoroethylene增强聚四氟乙烯 | 157 | RV | Relief Valve安全阀 | 158 | S & B | Spacer & Blank垫环和插板（盲板） | 159 | S-BOLT | Stud Bolt 双头螺柱 | 160 | SBR | Styrene Butadiene Rubber丁苯橡胶 | 161 | SS | Stainless Steel不锈钢 | 162 | SAW | Submerged Arc Welding埋弧焊 | 163 | SB | Spectacle Blank 8字盲板 | 164 | SCV | Stop Check Valve截止止回阀 | 165 | SCH | Schedule 表号 | 166 | SEY | Side Entry侧装式 | 167 | SF | Small Female Face小凹面（密封面） | 168 | SFR | Synthetic Fiber Rubber合成纤维橡胶 | 169 | SG | Small Groove小槽面（密封面） | 170 | SM | Small Male Face小凸面（密封面） | 171 | SMLS | Seamless无缝 | 172 | SNIP | Swaged Nipple异径短节 | 173 | SO | Slip-On平焊 | 174 | SPS | Spiral Seam螺旋缝 | 175 | SR | Short Radius短半径 | 176 | SRT | T-Type StrainerT-型过滤器 | 177 | SRY | Y-Type StrainerY-型过滤器 | 178 | ST | Steam Trap蒸汽疏水器 | 179 | STD | Standard标准 | 180 | STHU | Straight-Through直通 | 181 | STL | Stellite斯太立合金 | 182 | SV | Safety Valve安全阀 | 183 | SW | Socket Welding承插焊 | 184 | SWB | Seal Weld Bonnet密封焊阀盖 | 185 | SWG | Spiral Wound Gasket缠绕式垫片 | 186 | SWNG | Swing Type旋启式 | 187 | TB | Threaded Bonnet螺纹连接阀盖 | 188 | TBE | Threaded Both Ends两端螺纹端 | 189 | TE | Threaded End螺纹端 | 190 | TEMP | Temperature 温度 | 191 | TEY | Top Entry顶装式 | 192 | THK | Thickness厚度 | 193 | THR | Thread螺纹 | 194 | TLD | Tilting Disc 倾斜式阀板 | 195 | TOE | Thread One End一端螺纹端 | 196 | TRI-ECC | Thr-Eccentric三偏心 | 197 | TRUB | Trunion Ball固定式球阀 | 198 | UG | Underground 地下 | 199 | UT | Ultrasonic Test超声波检测 | 200 | WAF | Wafer 对夹 | 201 | WB | Welding Bonnet焊接连接阀盖 | 202 | WN | Welding Neck对焊法兰颈 | 203 | WRC | WIRE CLOTH金属丝编织物 | 204 | WQF | Weld Quality Factor焊缝系数 |
205 | COWL | 熔化极气体保护焊和埋弧焊组合工艺 | 206 | FEP | Fluorinated Ethylene Propylene聚全氟乙丙烯 | 207 | DGT | Degreasing Treatment脱脂处理 | 208 | FE | 凹面/大凹面（密封面） | SO | slip-on | 带颈平焊 | S-OUT | steam-out | 吹扫孔 | SR | stress relief | 应力消除 | TFWT | tolerance of wall thickness | 壁厚偏差 |
PIPE | 管子 | STEAM TRAP | 疏水阀 | ANTI-HIC | 抗氢 | PR-VALVE | 减压阀 | STEEL PAD | 金属补强板 | FLANGE | 法兰 | ELBOW | 弯头 | BLIND FLANGE | 法兰盖 | TEE | 三通 | SPECTANCLE | 8字盲板 | CAP | 管帽 | BLANK&SPACER | 盲板+垫环或非标法兰 | REDUCER | 大小头 | BOLT/NUT | 螺栓螺母 | NIPPLE | 短节 | OCTAGONAL | 八角的 | SOCKETOLET | 承插焊加强管接头 | GASKET | 垫片 | WELDOLET | 对焊加强管接头 | SPIRAL-WOUND | 缠绕 | HALF COUPLING | 单承口管箍或单头螺纹管箍 | COMPOSITE | 复合的 | NIPOLET | 带短管加强管接头 | FIREBOX | 消火箱 | LATEROLET | 斜接加强管接头 | KM65 | 闷盖 | COUPLING | 双承口管箍 | KY65 | 管牙 | GATE VALVE | 闸阀 | T STRAINER | 过滤器 | CHECK VALVE | 止回阀 | FUNNEL | 漏斗 | Y-STOP CHECK VALVE | 截止止回阀 | HOSE-COUPLER | 软管 | GLOBE VALVE | 截止阀 | SIGHT GLASS | 视镜 | BALL VALVE | 球阀 | ORBIT BALL VALVE | 轨道球阀 | BUTTERFLY VALVE | 蝶阀 | | | ANGLE VALVE | 角阀 | | | NIDDLE VALVE | 针型阀/采样阀 | | |
工程采用SI单位制，英制单位（英寸）仅适用于管子和阀门的公称尺寸，磅级今用于阀门的压力等级。 a. 磅级 150Lb-------2.0MPa | 300Lb-------5.0MPa | 400Lb-------6.8MPa | 600Lb-------10.0MPa | 800Lb-------14.0MPa | 900Lb-------15.0MPa | 1500Lb-------25.0MPa | 2500Lb-------42.0MPa | 3000Lb-------59.0MPa |
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