三通或四通阀
MULTI PORT PLUG 多向切断阀 ANGLE VALVE 角阀
DUAL TANDEM BLOWNDOWN VALVES 两段排污阀
RAN TYPE VALVE R型阀
T-TYPE GLOBE VALVE T型球阀
AUTOMATIC RECIRCULATION VALVE 自动再循环阀
INTERLOCKED VALVES(MECHANICAL LINK)) 机械联动阀
QUICK OPENING OR CLOSING VALVE 快速开关阀
VALVE WITH BODY CAVITY RELIEF CONNECTION 带有排放阀的阀门 DAMPER 挡板
APPROPRIATE ABBREVIATION 合适的缩写
SLIDE GATE VALVE 滑动闸阀
EQUIPMENT IDENTIFACATION 设备符号
OR BODY BLEED 11
SUPPLIED WITH VENDOR EQUIPMENT 供应商提供的设备
SPARE(A,B,C,ETC USED IF PARALLEL UNITS) 同一设备的编号 SEQUENCE NUMBER 序列号 AREA NUMBER 区号
EQUIPMENT CODE OF ACCOUNT 设备代码
UNIT DESIGNATION 单元名称 E – ETHYLENE 乙烯
H - DPG HYDROGENATION 汽油加氢
U - UTILITY & OFF SITE
公用工程
PIPING SPECIALTY ITEMS AND MISCELLANEOUS EQUIPMENT 特殊管项和各种设备
ALL PIPING SPECIALTY ITEMS ARE 所有特殊管线有以下注明
SEQUENCE NUMBER ( NUMBERED INSTRUMENT )
序列号（与仪表排序相同） EXHAUST HEAD 负呀总管
ATOMPHERIC VENT WITH WEATHER
IDENTIFIED IN SAME CAP
WAY AS 12
防雨放空管
DUPLEX STRAINER 相同的过滤器
PERMANENT BASKET STRAINER 提篮式过滤器 FLEXIBLE HOSE 金属软管
EXPANSION JOINT 膨胀节
INLINE MIXERS OR VENTURI TYPE DESUPER 内嵌式混合器或文丘里型混合器 SILENCER 消音器
EJECTOR OR EDUCTOR 喷射器 FILTER 过滤器
FILTER WITH HOOD 带罩过滤器
CONDENSATE TRAP (NON-PROCESS) 凝液疏水器
FIRE PROTECTION
消防
FIRE HYDRANT 消防炮
FIRE HYDRANT WITH MONITOR 带监视器的消防栓
FIRE HYDRANT WITH PUPPER CONNECTION
HEATER 13
消防栓 HOSE HOUSE 消防箱
VALVE WITH INDICATOR POST 带指示的阀 MONITOR 监视器
EM IF ELEVATED PUMP 泵
CENTRIFUGAL 离心泵
METERING OR RECIPROCATING 计量泵或往复式泵
ROTARY {GEAR ,SCREW } 齿轮泵
VERTICAL SUMP PUMP 立式污水泵
VERTICAL CANNED
PUMP (PFD ONLY ALL TYPES) 泵
LIQUID RING VACUUM PUMP 水环式真空泵
COMPRESSOR 压缩机
14
SINGLE STAGE RECIPROCATING
MULTI-STAGE RECIPROCATING
CENTRIFUGAL 离心式 ROTARY 旋转式
BLOWER FAN 鼓风机
BLOWER (PFD ONLY ALL TYPES) 鼓风机
COMPRESSOR (PFD ONLY) 压缩机 SCREW 螺杆式 DRIVER 驱动装置
ELECTRIC MOTOR 电动马达
DIESEL ENGINE .ETC 柴油发动机
APPROPRIATE ABBREVIATION 相应的缩写
A AIR 空气 D DIESEL 柴油
15
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