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Improved fire safety for pneumatic control systems

By Chemical Engineering |

Assured Automation

Assured Automation

Now FM-approved, FireChek thermal shutoffs with resettable memory-shape alloy (photo) can be used to automatically shut down a pneumatic control system when a nearby fire occurs, or when the ambient temperature reaches 135, 150 or 165°F. The testing and resetting abilities of the FireChek make it a preferred choice over emergency isolation valves that rely on fusible links or plastic burn-through tubing, says the manufacturer. The FireChek is available in three different configurations: a single FireChek, which is directly mounted between the pneumatic supply and spring return actuator via two NPT threaded connections; FireChek with Quick Exhaust, which provides a larger exhaust port; and FireChek Plus Pilot Valves, which include the FireChek thermal shutoff with a SIL Class III pilot valve. — Assured Automation, Clark, N.J.

www.assuredautomation.com

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