The Type VL valve interlock is designed for industrial and manufacturing applications where managing flow control operations on equipment and machinery is imperative.  The Type VL can be integrated into a full KIRK® trapped key interlock safety system.

The Type VL valve interlock is designed to fit ball valves from 1/4" to 3" and is sold completely assembled with the valve and Type VL interlock ready for on site installation.

Click here to see how the Type VL protects against flow control hazards.




For more detailed information on the flow control applications listed below, click on the links to be directed to the informational data sheets for each application.


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  • Interlock is made of 316 stainless steel for use in harsh environments

  • Gasketed keyway to protect from debris

  • Unique oversized key that cannot be duplicated

  • Available with a bronze or stainless steel valve

  • Machine Guarding: Pneumatic/Fluid Power

  • Motor Pump Start Up

  • Pressure Relief Safety Valve

  • Dual Line Valves

  • ​LOTO Valve Isolation

  • Boiler Blow Down

  • Hydrogen Cooled Generator Purge

  • Black Liquor Recovery Boilers

Type VL valve interlocks combined with our HD Series interlock products (shown below along with a few of KIRK's HD products) will create a comprehensive trapped key interlock system for your flow control safety processes.  

valve interlocks

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Global Headquarters | 9048 Meridian Circle NW | North Canton, OH 44720 | USA  

                       (800)438-2442 | FAX (330)497-4400 |


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