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Common Control Valve Symbols

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P&ID Reference Guide
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SY MBOL S – COMMON VA LV E SY MBOL S A ND COMBIN AT IONS
Combining control valve symbols with actuators symbols can yield a variety of results. Below are
some final control elements with actuators and a variety of other common instrument symbols.
GATE VALVES
Gate
Hand Operated
(Manual)
Pneumatic
(Diaphragm)
Globe
Valve
=
Hand
Actuator
Hand-Operated
Globe Valve
FAIL-SAFE
POSITION
M
H
Motor
Hydraulic
Pneumatic
(Rotary Piston)
Balance
Diaphragm
Pressure Regulator Back Pressure Regulator
Fail Closed
GLOBE VALVES
OTHER VALVES
H
M
S
Fail Open
Globe
Hand Operated
Pneumatic
Motor
ANGLE VALVES
Hydraulic
Bleeder
Integrated Block
Solenoid Closed
Knife
Slide
M
END
CONNECTION
Flanged
Angle
Hand Operated
BALL VALVES
Ball
Pneumatic
PLUG VALVES
H
Plug
Hydraulic
DIAPHRAGM VALVES
Motor
M
Angle Blowdown
M
Motor
SAFETY RELIEF
Piston-Operated Float-Operated
BUTTERFLY VALVES
Butterfly
Rotary
Pinch
Needle
CHECK VALVES
Pneumatic
QUARTER TURN
Check Valve
Treaded
Stop Check
Welded
EQUIPMENT
Socket Weld
Diaphragm
Motor
PSV
PRV
Watch the companion video on YouTube.com/KimrayInc
Quarter Turn Valve
Double Acting
Quarter Turn Valve
Spring Acting
Rotameter
Gauge
Based on information from ANSI/ISA-5.1-2009 Instrumentation Symbols and Identification
Orifice
Rev. 01/2021
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