WORD格式整理版
FO FAIL OPEN 故障时打开 FC FAIL CLOSE 故障时关闭
FL(O) FAIL LOCKED(LAST POSITION) VALVE OPENS ON DECREASING CONTROL SIGNAL
FL(C)) FAIL LOCKED(LAST POSITION) VALVE CLOSES ON DECREASING CONTROL SIGNAL
SPLIT RANGE DESIGNATION
A FIRST VALVE TO RESPOND TO INCREASING CONTROL SIGNAL
B SECOND VALVE TO RESPOND TO INCREASING CONTROL SIGNAL
专业学习 参考资料
WORD格式整理版
MISCELLANEOUS ITEMS 各种
INLINE INSTRUMENTS 在线仪表 FLAME ARRESTOR
CONTINUOUS DRAINER
OPTIONAL VENT LINE
EXCESS FLOW VALVE
PROCESS STEAM TRAP
ANALYZER
ANALYTICAL COMPONENT OR PHYSICAL PROPERTY
专业学习 参考资料
WORD格式整理版
PURGING DETAIL DIAPHRAGM SEALS
PIPED CONNECTION
FLUSH MOUNTED TRACING
CONVENTIONAL INSTRUMENTATION
DIGITAL INSTRUMENTATION
PUSHBOTTON , SWITCHES & LIGHTS
INDICATING LIGHT
专业学习 参考资料
WORD格式整理版
PUSHBOTTON
PUSHBOTTON WITH LIGHT SWITCH
SWITCH WITH LIGHT(LIGHT INCLUDED FOR EACH PUSHBUTTON FUNCTION)
HIGH/LOW OPEN/CLOSE
LIGHT DESIGNATION
MEASURED VARIABLE FUNCTION
BYP BY PASS
专业学习 参考资料
WORD格式整理版
HOA HAND/OFF//AUTOMATIC
O/C OPEN/CLOSE RESET
S/S START/STOP
TRIP TRIP NOTES
1. FOR PIPING AND EQUIPMENT SYMBOLS , SEE DWG 000054
2. THE INSTRUMENTATION REPRESENTATION ON P&I FLOW DIAGRAMS,
IN GENERAL , CONSISTS OF A SINGLE OR SEVERAL BALOONS
专业学习 参考资料
常见的PID图例缩写符号
