Final Control Element Symbols

Two-way On-off Solenoid Valve.
Angle On-off Solenoid Valve.
Permanent Magnet Variable Speed Coupling.
Arrows Indicates De-energized Flow Paths.
Four-way Five-ported On-off Solenoid Valve.
Arrows Indicates De-energized Flow Paths.
Four-way Plug Or Ball On-off Solenoid Valve.
Arrow Indicates De-energized Flow Path.
Three-way On-off Solenoid Valve.
Electric Motor.
Opposed Blade Louver.
Opposed Blade Damper.
Parallel Blade Louver.
Parallel Blade Damper.
Generic Louver.
Generic Damper.
Butterfly Valve.
Arrows Indicates Failure Or Unactuated Flow Paths.
Four-way Four-ported Plug Or Ball Valve.
Generic Four-way Valve.
Arrow Indicates Failure Or Unactuated Flow Path.
Three-way Globe Valve.
Generic Three-way Valve.
Safety Angle Valve.
Angle Globe Valve.
Generic Two-way Angle Valve.
Gate Valve.
Straight Globe Valve.
Generic Two-way Valve.
Ball Valve.
Plug Valve
Eccentric Rotary Disc Valve.
Diaphragm Valve.
Pinch Valve.
Bellows Sealed Valve.

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