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1、化工专业术语常用缩写词 SH/T 3902-93目次总则管子及管件法兰垫片牢固件阀门管道上用的设备隔热、伴热配管材料和等级装置布置尺寸标准图、表操作方式及工作参数施工其他总则本标准适用于石油化工企业工艺装置（单元）配管工程设计，其它配 管工程设计可参照使用。本标准未包括的缩写，设计需要时，可采纳其它通用的英文缩写，或 参照本标准派生。管子及管件 编号缩写中文名称英文名称编号缩写中文名称英文名称1.1P管子Pipe1.2EL弯头Elbow1.2.1ELL长半径弯头Long radius elbow1.2.2ELS短半径弯头Short radius elbow1.2.3MEL斜接弯头（虾米腰弯头）
2、Mitre elbow1.2.4REL异径弯头Reducing elbow1.3T三通Tee1.3.1LT斜三通Lateral tee1.3.2RT异径三通Reducing tee1.4R异径管接头（大小头）Reducer1.4.1CR同心异径管接头（同心大小头）Concentric reducer1.4.2ER偏心异径管接头（偏心大小头）Eccentric reducer1.5CPL管箍Coupling1.5.1FCPL双头管箍Full coupling1.5.2HCPL单头管箍Half coupling1.5.3RCPL异径管箍Reducing coupling1.6BU内外螺纹接头Bus
3、hing1.7UN活接头Union1.8HC软管接头Hose coupler1.9SE翻边短节Stub end1.10NIP短节Pipe nipple or straight nipple1.10.1SNIP异径短节Swaged nipple1.11CP管帽（封头）Cap1.12PL管堵（丝堵）Plug1.13BLK盲板Blank1.13.1SB8字盲板Spectacle blind (blank)1.14RP补强板Reinforcing pad法兰编号缩写中文名称英文名称2.1PLG法兰Flange2.1.1WNF对焊法兰Welding neck flange2.1.2SOF平焊法兰Slip
4、-on flange2.1.3SWF承插焊法兰Socket-welding flange2.1.4T螺纹法兰Threaded flange2.1.5LJ松套法兰Lapped joint flange2.1.6REDF异径法兰Reducing flange2.1.7BF法兰盖（日法兰）Blind flange2.2FSF法兰密封面Flange scaling face2.2.1FF全平面Flat face2.2.2RF凸台面Raised face2.2.3MFF凹凸面Male and female face2.2.4LF凹面Female face2.2.5LM凸面2.2.6RJ环连接面2.2.7
5、TG榫槽面2.2.8TF榫面2.2.9GF槽面Male faceRing joint faceTongue and groove faceTongue faceGroove face垫片编号缩写中文名称英文名称3.1G垫片Gasket3.1.1NMG非金属垫片Non-metallic gasket3.1.1.1AG石棉垫片Asbestos gasket3.1.1.2RG橡胶垫片Rubber gasket3.1.1.3TEG聚四氟乙烯包复垫片PTFE envelope gasket3.1.2SMG半金属垫片Semimetallic gasket3.1.2.1MJG金属包垫片Meta-jacket
6、 gasket3.1.2.2SWG缠绕式垫片Spiral wound gasket3.1.3MG金属垫片Metallic gasket3.1.3.1FMG金属平垫片Flat metallic gasket3.1.3.2SMSG齿形金属垫片Solid metal serrated gasket3.1.3.3LER透镜式金属环垫Lens ring gasket3.1.3.4OCR八角形金属环垫Octagonal ring gasket3.1.3.5OVR椭圆形金属环垫Oval ring gakset3.1.3.6IR/OR内外定位环Inner ring and outer ring3.1.3.7I
7、R内定位环Inner ring3.1.3.8OR外定位环Outer ring牢固件编号缩写中文名称英文名称4.1B螺栓Bolt4.1.1SB螺柱Stud bolt4.2NU螺母Nut4.3TB花蓝螺母Turnbuckle4.4WSR垫圈Washer4.4.1SWSR弹簧垫圈Spring washer阀门编号缩写中文名称5.1GV闸阀5.2GLV截止阀5.3CHV止回阀5.4BUV蝶阀5.5BAV球阀5.6PV旋塞阀5.7CV调剂阀5.8SV安全阀英文名称Gate valveGlobe valveCheck valveButterfly valveBall valvePlug valve (co
8、ck)Control valveSafety valve5.9RV减压阀Pressure reducing valve5.10ST蒸汽疏水阀Steam trap5.11PRV泄压阀Pressur relief valve5.12BV呼吸阀Breather valve5.13NV针形阀Needle valve5.14AV角阀5.15DV隔膜阀5.16TWV三通阀5.17SGV插板阀管道上用的小型设备编号缩写中文名称英文名称6.1SPR气液分离器Separator6.2FA阻火器Flame arrester6.3SR过滤器Strainer6.3.1SRYY型过滤器Y-type strainer6.
9、3.2SRTT型过滤器T-type strainer6.3.3SRB桶式过滤器Bucket type strainer6.3.4TSR临时过滤器Temporary strainer6.4SIL消声器Silencer6.5SG视镜Slight glass6.6SC取样冷却器Sample cooler6.7DF排液漏斗Drain funnel6.8LM管道混合器Line mixer6.9RO限流孔板Restriction orifice6.9.1MO混合孔板Mixing orifice6.1RD爆破片（爆破膜）Rupture disk6.11EJ补偿器Expansion joint隔热、伴热编号缩
10、写中文名称英文名称7.1INS隔热Thermal insulation7.1.1H保温Hot insulation7.1.2C保冷Cold insulation7.1.3P防烫伤隔热Personnel protection insulation7.2T&l伴热Tracing and insulation7.3T管道伴热（冷）Tracing7.3.1EST蒸汽外伴热External steam tracing7.3.2IST蒸汽内伴热Internal steam tracing7.3.3SJT蒸汽夹套伴热Steam-jacket tracing7.3.4ET电伴热Electric tracing
11、配管材料和等级编号缩写中文名称英文名称8.1M金属材料Metallic material编号缩写中文名称英文名称8.1.1CS碳钢Carbon steel8.1.2CAS铸钢Cast steel8.1.3FS锻钢Forged steel8.1.4AS合金钢Alloy steel8.1.5SS不锈钢Stainless steel8.1.6AUSTSS奥氏体不锈钢Austenitic stainless-steel8.1.7CI铸铁Cast iron8.1.8MI可锻铸铁Malleable iron8.1.9DI球墨铸铁Ductile iron8.1.10AL铝Aluminum8.1.11BRS黄
12、铜Brass8.1.12BRZ青铜Bronze8.1.13CU紫铜Copper8.1.14LAS低合金钢Low alloy steel8.1.15FLAS低合金锻钢Forged low alloy steel8.1.16CLAS低合金铸钢Cast low alloy steel8.2THK壁厚Thickness8.2.1SCH表号Schedule number8.2.2STD标准Standard8.2.3XS加大Extra strong8.2.4XXS特强Double extra strong装置布置编号缩写中文名称英文名称9.1CN建北Construction north9.2E东East9.3
