Ball Lock Check Valved Gas Disconnect 1/4" MFL

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DC40 27-4000-00

This is made in Germany, assembled in the USA. This disconnect is NSF approved, FDA approved materials, and has SK approved materials(European). This is a gas disconnect for a Cornelius or Firestone ball lock keg.This disconnect has an internal check valve that will allow the gas to flow out while stopping back flow of liquid back into your system. This disconnect has a 1/4" MFL that can use and of the hose on our site using the swivel nuts (1/4" for 3/16 or 1/4" hose or 5/16 for the 5/16 hose). 

 WARNING: This product can expose you to Chromium,  which is known to the state of California to cause cancer, birth defects and other reproductive harm. For more information go to:

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  • 5
    Ball Lock Check Valved Gas Disconnect 1/4" MFL

    Posted by Steve Johnson on 23rd Feb 2024

    As with all the other CMB products I have, it is built pretty solid. Does it work? I don't know yet as I haven't had an issue with beer beer pushing back up the gas line. I'm trusting that it works equally well as the other CMB products I have.

  • 5
    These are the best.

    Posted by Kevin Hannon on 11th Dec 2022

    They work so much better than the inline check valves.