Some call it a "quick connect" fitting and some call it a "quick disconnect" fitting. I don't know the difference but I do know that we now have the ideal vacuum connection system for those who prefer to easily detach the braided vacuum tube from any of our vacuum press systems. I've tested more than three dozen connectors and found only one that holds vacuum. This is a three-component item which includes the quick coupler, 1/4" NPT quick fitting, and a barbed fitting for 3/8" ID vacuum tube. Each piece is made in the USA.
This connector does not attach to the vacuum bag. Our lock-on connector is the correct vacuum bag attachment fitting. Instead this assembly is used in place of a 1/4" NPT x 3/8" barb fitting on a vacuum press system as shown in the picture.
Does either part of this fitting have a built in valve to stop the flow of vacuum when disconnected?
This fitting does not have a valve inside. The option to have a valve built in was very expensive and it significantly restricted the flow of vacuum.
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