WORD格式整理版
FLOAT AND TAPE TYPE LEVEL INDICATOR OR TRANSMITTER FOR STORAGE TANKS
OTHER LEVEL INSTRUMENTS SPECIFY TYPE OUTSIDE BUBBLE
LEVEL REGULATOR WITH MECHANICAL LINKAGE
CONTROL VALVES GLOBE VALVE 球阀 ANGLE 角阀 BUTTERFLY 蝶型
BALL. PLUG OR DISC 球、塞子、圆盘
DIAPHRAGM（SAUNDERS） 隔膜
OTHER （SPECIFY NEXT TO SYMBOL） 其他的（在下一个符号中详细说明） THREE WAY GLOBE 三通球型调节阀 FOUR WAY VALVE 四通调节阀
ACTUATORS
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WORD格式整理版
SPRING AND DIAPHRAGM 弹簧和隔膜
DIFFERENTIAL DIAPHRAGM 微分隔膜
PISTON TYPE - SINGLE ACTING
PISTON TYPE - DOUBLE ACTING
ELECTRIC MOTOR 电动马达 SOLENOID 螺线管
ELECTRO-HYDRAULIC
GAS MOTOR 气动马达
MANUAL HANDWHEEL 手轮
ACCESSORIES
SIDE MOUNTED HANDWHEEL
MANUAL RESET
REMOTE RESET
ADDITIONAL INFORMATION BODY SIDE
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WORD格式整理版
阀体尺寸
BTS BUBBLE TIGHT SHUT-OFF
TSO TIGHT SHUT-OFF
AIR FAILURE POSITION
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
MISCELLANEOUS ITEMS 各种
INLINE INSTRUMENTS 在线仪表
FLAME ARRESTOR
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WORD格式整理版
CONTINUOUS DRAINER
OPTIONAL VENT LINE
EXCESS FLOW VALVE
PROCESS STEAM TRAP
ANALYZER
ANALYTICAL COMPONENT OR PHYSICAL
PURGING DETAIL DIAPHRAGM SEALS
PIPED CONNECTION
FLUSH MOUNTED
TRACING
CONVENTIONAL INSTRUMENTATION
DIGITAL INSTRUMENTATION
PUSHBOTTON , SWITCHES & LIGHTS
INDICATING LIGHT
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WORD格式整理版
PUSHBOTTON
PUSHBOTTON WITH LIGHT SWITCH
SWITCH WITH LIGHT(LIGHT PUSHBUTTON FUNCTION)
HIGH/LOW OPEN/CLOSE
LIGHT DESIGNATION
MEASURED VARIABLE
FUNCTION
BYP BY PASS
HOA HAND/OFF//AUTOMATIC
O/C OPEN/CLOSE RESET
S/S START/STOP
TRIP TRIP
专业学习 参考资料 INCLUDED
FOR EACH WORD格式整理版
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 SUFFICIENT FOR FUNCTIONAL DEFINATION, COMPLEX OR UNUASUAL LOOPS ARE DIPECTED WITH INDIVIDUAL COMPONENT BALOONS AS REQUIRED FOR CLARITY.
3. ALL CONTROL ROOM INSTRUMENTS ARE LOCATED IN THE CENTRAL CONTROL ROOM UNLESS OTHERWISE NOTES.
4. NEEDLE VALVE AND CHECK VALVE ARE INTEGRAL PART
OF ROTAMETER.
5. AN INSTRUMENT NUMBER WITH AN X SUFFIX OR AN
X IN PLACE OF THE LOOP NO. DENOTES THE INSTRUMENT IS FURNISHED AS PART OF AN EQUIPMENT PACKAGE. 6.
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