Smith Flow Control Ltd, Cuts downtime

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Cuts downtime
June 1st 2004

The new Stroke-Test from Smith Flow Control allows testing of critical valves without shutting down the process flow. This ensures the revenue stream is not interrupted, while also ensuring that plant operators comply with industry safety standards.

The system operates on the principle of valve partial stroke testing. A safety system closes a valve only partially. When a Stroke-Test is fitted to a valve it limits the movement of the actuator to within pre-set travel limits. All control elements, such as solenoids and relays are tested, without having to fully close.

Since the valve is only partially closed during the test, the flow coefficient is not significantly affected and process flow continues.

An entirely mechanical device, it does not need to be integrated into the control loop.

More articles from Smith Flow Control Ltd:

Preventing sledge hammers valve error (1st August 2006)

The QL and GL mechanical valve interlocks from Smith Flow Control ensure potentially hazardous valve operations are performed in the correct sequence, eliminating the possibility of operator error or sabotage.

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Live stroke test (1st April 2005)

The Stroke-Test from Smith Flow Control enables critical valves to be tested without shutting down the process flow. This means the revenue stream is not interrupted, while also ensuring that plant operators comply with industry safety standards.

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Anti-tamper lock (1st December 2004)

By ensuring valves and actuators are only operated by authorised individuals, a new Anti-Tamper Lock (ATL) from Smith Flow Control secures a companys assets by reducing the risk of human error or deliberate tampering.

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