Smith Flow Control Ltd, Anti-tamper lock

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Anti-tamper lock
December 1st 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.

The standard condition of the device in service is locked (key-free), with the handwheel free-rotating. A coded key from the control authority is inserted, engaging the drive. The valve is then operated to the desired position before the key is removed and the valve locked in position.

The company says that, as the lock base adapter is machined to suit host equipment (this can be done on site or supplied ready machined), the ATL significantly reduces costs.

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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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Cuts downtime (1st June 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.

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