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Valve Actuator Air
Getting Started
Some valves use pressurized air for actuation (others are
electrically or manually driven). Actuator air must be free of oil,
moisture, and particulates. It can be supplied from a dried
regulated cylinder, although "house" air supplies or air from a
compressor are acceptable.
Most valves require 0.14 to 0.3 MPa (20 to 40 psi) of pressure to
operate. High-pressure valves may require up to 0.5 MPa.
Valves require a dedicated air supply. Do not share valve air
supplies with detectors.
Site Preparation
33
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