i-LOCK Mechanical Valve Interlocks

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1 Deploy

Preventing unauthorized or inadvertent operation of interlocking valves

Page last modified
February 22 2024

The ENEX i-LOCK works as a trapped key lock, providing the advantage that it can be used in an environment where it is important for two valves not to be both opened at the same time. In this way, in the event that the first valve is to be opened, the key is inserted in the first lock and the first valve is opened. However, the key, which is also required to open the second valve, cannot be removed from the first lock until the first valve is closed once again, thereby preventing the second valve from being opened at the same time.

The innovative ENEX i-LOCK product range are gaining increasing international recognition as the SAFEST Mechanical Trapped Key Safety Interlock of the modern era and the most effective safety management tool designed to eliminate human error or violations from process and pipeline operations executed by human intervention.

Pros & Limitations
1
UK designed, engineered, manufactured, assembled & tested products
1
Ultimate safe and secure mechanical interlock design
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Unique ENEX i-LOCK tamper proof securing bolts
1
Unique on the ‘Patented’ key is that the code and drive members function independently
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Can be installed to host equipment under live process conditions
1
No interference or intrusion of the host equipment pressure envelope
1
Secure mechanical fixing of all labels and tags
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Full colour coded key & dust cap tagging option for enhanced error elimination
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Keys need to be kept under secure supervisory control
Specification
Specification Title Specification Description
Compliance
Defeat, override & tamperproof compliant.
Design
Solid and robust construction with no cast parts.
Material
Stainless steel.
Safety
Tamper proof and copy proof body housing, lock portions and keys. | Lock Portion and Key Design have been tested to over 200.000 cycles.
Size
Hand wheel diameters are sized and selected to maintain host equipment operating torques.
Operation
Interchangeable parts to allow easy conversion from Quarter-Turn to Multi-Turn and vice versa.
Applications
Manufacturing, Power, Process and Transfer Systems.
Conditions
Ultimate product design for normal, harsh and corrosive environments.
Patent
Unique ‘Patented’ Lock Portion & Key Design.
Customizability
Pad lockable dust covers are an option for lockout hasp and scissor hasps operation.

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Technology Readiness Level

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[9/9]

Development Technology demonstration Mature / Proven
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