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Valve Mechanical Interlocks

Quarter Turn Lock-QTL

Valve Mechanical Interlocks

Quarter Turn Lock-QTL

Quarter Turn Series Interlocks fit on all type of lever operated valves such as Ball Valves, Plug Valves, 3-way Ball Valves, and Butterfly Valves
Valve Mechanical Interlocks

Multi Turn Lock-MTL

Valve Mechanical Interlocks

Multi Turn Lock-MTL

The Interlock from the MTL series is a lock for multi-turn applications like Gate or Globe, Butterfly- and Ball valves with gearboxes.
Valve Mechanical Interlocks

Single Bolt Lock

Valve Mechanical Interlocks

Single Bolt Lock

The Bolt Interlocks are used as a part of a safety system to allow safe control of valves, Hatches Access Doors or to turn ON or OFF Power switches etc.
Valve Mechanical Interlocks

Double Bolt Lock

Valve Mechanical Interlocks

Double Bolt Lock

A typical application is where the electrical and pneumatic supplies to the machine are switched on and the access doors of the Hazardous area are locked close.
Valve Mechanical Interlocks

Door Closure Lock

Valve Mechanical Interlocks

Door Closure Lock

The PSS door closure Lock is custom designed to interlock the closure door of a pigging vessel. The door closure Lock prevents the bleed bolt from being removed and there by the closure door from being opened. Only the insertion of a dedicated key allows access to the bleed bolt and permits its removal. This key can be only released after the door is closed and the bleed bolt is back in position. The door closure Lock is suitable for every type and size of closure door.
Valve Mechanical Interlocks

Key Cabinet

Valve Mechanical Interlocks

Key Cabinet

The Valve Interlocking keys must be stored in a safe and controlled environment on site. The PSS Key Cabinet has been designed especially for this purpose to ensure enhanced control and management of the Valve Interlocking keys.
Valve Mechanical Interlocks

Key Exchange Unit

Valve Mechanical Interlocks

Key Exchange Unit

KEU is a mechanical device used in a process where repeat usage of keys is to be avoided to achieve safe operation of a process. KEU is a device which holds keys and allows insertion of a process key in KEU and subsequently releases a key for further usage in process.
Valve Mechanical Interlocks

Sequence Regulation Unit

Valve Mechanical Interlocks

Sequence Regulation Unit

The SRU is a mechanical device used in the process wherein repeat operations are necessary to meet complex sequential condition of the system valves being interlocked .
Valve Mechanical Interlocks

Interlocks On MOV-Motor Operated Valves

Valve Mechanical Interlocks

Interlocks On MOV-Motor Operated Valves

MOV’s on valves have a control display panel with switches to electronically operate the valve. In order to enable the safe operation with MOV’s & ensure the process being followed as per the standard predefined sequence , interlocks are installed on switch
Valve Mechanical Interlocks

Deadman Lever

Valve Mechanical Interlocks

Deadman Lever

Spring return “Deadman” handles will help you meet OSHA requirements or plant specifications where a valve must return to the closed position after operation.
Valve Mechanical Interlocks

Lock Out Tag Out-LOTO

Valve Mechanical Interlocks

Lock Out Tag Out-LOTO

A mechanical device which is used for locking the individual valves of any size in open or close position . LOTO can be mounted on valves having handwheel or lever. LOTO is directly mounted on the valves with a wire rope arrangement & locked with a pad lock. Multiple pad locks can be installed in case of extended safety requirement.
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