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2024年4月16日发(作者:免费的音频转换器)

Equipment Code

9

Flow Element FE

Flow Transmitter FT

Rotameter FI

Flow Switch Low FSL

Restriction Orifice RO

Level Gauge LG

Level Transmitter LT

Level Switch High LSH

5

Level Switch Low LSL

Pressure Indicator/Guage PI

Pressure Transmitter PT

Pressure Differential Gauge PDI

+

Pressure Switch(High) PSH

Pressure Switch (Low) PSL

4

Pressure Differential Transmitter PDT

Differential Pressure Switch DPS

Breather Valve PV/SV

Pressure Safety Relief Valve PSV

Rupture Disk PSE

Self-Actuating Pressure Control Valve PCV

Pressure Control Valve PV

Temperature Element TE

Temperature Transmitter TT

Temperature Indicator/Guage TI

Thermowell TW

Temperature Switch(High) TSH

5

Temperature Switch(High High) TSHH

'

Emergency Shutdown Valve ESDV

Limit/Position Switch Open ZSO阀位开

Limit Switch Close ZSC阀位关

按照国家行业标准《HG/T 20505-2000 过程测量与控制仪表的功能标志及图形符号》,在仪表“工位号”中:

“Z”在首位表示“位置”;后继字母“S”表示“开关(switch)”。开关阀的阀位反馈信号一般用ZSO,ZSC

分别表示开到位和关到位的反馈,这是两个DI点;切断阀就是用的 XZSO-1234(开)XZSC-1234(关) 在

DCS画面上用阀门颜色来更直观的看到阀门状态 一般绿为开 红为关 黄色来表示故障

Analog input/output AI/O

Digital input/output DI/O

Instrument hook-up drawing INST. HOOk-UP DWG.自控(仪表)安装图册

Installation drawing .安装图

Seamless SMLS无缝

Galvanized GALV镀锌

Thread end T.E带螺纹

Thicked T.D加厚

Butt-welding B.W对焊

Socket-welding S.W 承插焊

Ferrule-type F.T卡套式

Insert-type INT.插入式

Compression-type COMP.压环式

Female thread F.内螺纹

Male thread M外螺纹


本文标签: 仪表 表示 阀门 控制 反馈