5.14 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 编号缩写中文名称英文名称 6.1 SPR气液分离器Separator 6.2 FA阻火器Flame arrester 6.3 SR过滤器Strainer
6.3.1 SRY Y型过滤器Y-type strainer 6.3.2 SRT T型过滤器T-type strainer 6.3.3 SRB桶式过滤器Bucket type strainer 6.3.4 TSR临时过滤器Temporary strainer 6.4 SIL消声器Silencer 6.5 SG视镜Slight glass 6.6 SC取样冷却器Sample cooler 6.7 DF排液漏斗Drain funnel 6.8 LM管道混合器Line mixer 6.9 RO限流孔板Restriction orifice 6.9.1 MO混合孔板Mixing orifice 6.1 RD爆破片（爆破膜）Rupture disk 6.11 EJ补偿器Expansion joint
7隔热、伴热
编号缩写中文名称英文名称 7.1 INS隔热Thermal insulation 7.1.1 H保温Hot insulation 7.1.2 C保冷Cold insulation
7.1.3 P防烫伤隔热Personnel protection insulation 7.2 T&I伴热Tracing and insulation 7.3 T管道伴热（冷）Tracing
7.3.1 EST蒸汽外伴热External steam tracing 7.3.2 IST蒸汽内伴热Internal steam tracing 7.3.3 SJT蒸汽夹套伴热Steam-jacket tracing 7.3.4 ET电伴热Electric tracing 8配管材料和等级
编号缩写中文名称英文名称 8.1 M金属材料Metallic material 8.1.1 CS碳钢Carbon steel 8.1.2 CAS铸钢Cast steel 8.1.3 FS锻钢Forged steel 8.1.4 AS合金钢Alloy steel 8.1.5 SS不锈钢Stainless steel 8.1.6 AUST
stainless-steel?SS奥氏体不锈钢Austenitic
8.1.7 CI铸铁Cast iron
8.1.8 MI可锻铸铁Malleable iron 8.1.9 DI球墨铸铁Ductile iron 8.1.10 AL铝Aluminum 8.1.11 BRS黄铜Brass 8.1.12 BRZ青铜Bronze 8.1.13 CU紫铜Copper
8.1.14 LAS低合金钢Low alloy steel
8.1.15 FLAS低合金锻钢Forged low alloy steel 8.1.16 CLAS低合金铸钢Cast low alloy steel 8.2 THK壁厚Thickness 8.2.1 SCH表号Schedule number 8.2.2 STD标准Standard 8.2.3 XS加强Extra strong 8.2.4 XXS特强Double extra strong 9装置布置
编号缩写中文名称英文名称 9.1 CN建北Construction north 9.2 E东East 9.3 W西West 9.4 S南South 9.5 N北North
9.6 H水平Horizontal
9.7 V竖直、铅直、直立Vertical 9.8 GRD地坪Ground 9.9 UG地下Underground
9.10 BL装置边界线Battery limit line
9.11 ESEW事故沐浴洗眼器Emergency shower and eye washer 9.12 HS软管站Hose station 9.13 ML接续分界线Match line
9.14 PS管道支架（管架）Piping support 9.15 PR管桥Pipe rack
9.16 STRU构架（构筑物）Structure 9.17 BLDG建筑物Building 9.18 PD清扫设施Purge device 9.19 PT池Pit 9.20 SHLT棚Shelter 9.21 COFF围堰Cofferdam 9.22 FL楼板Floor 9.23 PF平台Plateform 10尺寸标注
编号缩写中文名称英文名称 10.1 EL标高Elevation 10.2 BOP管底Bottom of pipe
10.3 COP管中心Center of pipe 10.4 TOP管顶Top of pipe 10.5 FOB底平Flat on bottom 10.6 FOT顶平Flat on top 10.7 CL(屯)中心线Center line 10.8 TL切线Tangent line 10.9 SYM对称的Symmetrical 10.10 BOS支架底Bottom of support 10.11 TOS支架顶Top of support 10.12 CL净距（净空）Clearance 10.13 CTC中心至中心Center to center 10.14 CTF中心至面Center to face 10.15 CTE中心至端部Center to end 10.16 ETE端到端End to end 10.17 FEF法兰端面Flange and face 10.18 FTF面到面Face to face 10.19 D直径Diameter
10.20 DN公称直径Nominal diameter 10.21 ID内径Inside diameter 10.22 OD外径Outside diameter 10.23 DIM尺寸Dimension 10.24 MAX最大Maximum