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Do I need a check valve?
We often get asked if a check valve is needed with a traditional hand pull.
The answer depends on how the hand pull is being installed - read on to find out
We often get asked if a check valve is needed with a traditional hand pull.
The answer depends on how the hand pull is being installed and what other equipment is being used.
Almost all of the hand pulls we sell have a built in non-return valve that stops beer running back into the cask.
What the brewing industry calls a check valve is actually a suction demand valve. It's purpose is to stop any pressure from the line pushing through the hand pull and pouring out of the spout.
You only need a check valve if the beer is pressurised, or the cask/bag-in-box is above the height of the hand pull.