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Anti-Tamper Lock Protects Assets
01 Jun 2006
By ensuring valves and actuators are only operated by authorised individuals, the Anti-Tamper Lock (ATL) from Essex UK based Smith Flow Control secures companies' assets by reducing the risk of human error or deliberate tampering.
In its standard condition in service the device is locked (key free), with the handwheel free-rotating. Operation involves three simple steps. First a coded key from the control authority is inserted, engaging the drive.
Second, the valve is operated to the desired position and third, the key is removed and the valve is locked in the desired position.
Because the lock base adapter is machined to suit host equipment, the ATL significantly reduces costs. Also, as this process simply replaces existing handwheels or levers, the integrity of pressure envelopes is not compromised in any way.
The ATL's housing is stainless steel coated with yellow polyester resin. For safety applications the internal components are manufactured from stainless steel 304, with acetyl bearings, while for security applications these components are manufactured from hardened steel with a protective security skirt. Both versions can operate in temperatures ranging from -500C to +1000C.
MJInformation No: 21959
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