管道等级(美标)缩写

第 1页 共 2 页 DSAWdouble submerged arc weld双面埋弧焊 螺栓连接的阀盖 中文名称 腐蚀裕度 明杆支架型 外定位环 两端平口 bolted bonnet 缩写词英文名称 BB PBEplain both ends OS&Youtside screw and yoke ORouter ring bolted cover GALVgalvanized CON bevel large end大端坡口 butt welding对焊 concentric同心 CALCcalculation 螺栓连接的阀帽 commodity code 编码 计算(壁厚） corrosion allowance BC BLE BW 法兰 FEfemale face凹面 flange ECC electric fusion welding 偏心 电熔焊 eccentric EFW 碳钢 COMM. CODE DNnominal diameter公称直径 carbon steel 镀锌的 GRAFgraphite石墨 等级 HTheating treatment热处理 HEXhexagonal六角 内定位环 LRlong radius长半径 凸面 NPTnational standard taper pipe thread60 锥管内螺纹 八角环形垫片 O.D.outside diameter外径 OCRoctagonal ring gasket C.A. MEmale face IRinner ring Grgrade CS FLG 缩写词 第 2页 共 2 页 承插焊 司太立合金 吹扫孔 SRshort radius短半径 S-OUTsteam-out SRstress relief SWsocket welding 突面 SS THR 不锈钢 两端螺纹 WNwelding neck带颈对焊 UTultrasonic test超声检测 55 锥管内螺纹 螺纹连接的阀盖 平口 环连接面 PEplain end stainless steel TBEthreaded both ends raised face ring joint face STLstellite TBthreaded bonnet RF PWHT R2 RC PSB polyphenyl 一端螺纹threaded one end post weld heat treatment 55 taper pipe external thread 55 taper pipe internal thread reduced异径的 螺纹 温度 焊后热处理 RED 55 锥管外螺纹 对位聚苯PPL RJ SMLSseamless无缝的 TEMPtemperature TRI-ECCThr-eccentric thread TOE 三偏心 PLslip-on welding plate板式平焊 PSEplain small end小端平端 压力密封阀盖pressure seal bonnet TFWTtolerance o