The Wennstrom check valves are mechanical devices that only allow liquid fuels to pass through in one direction. The check valves are adjustable between 0,3 – 0,7bar.
Our 1½ check valve allows a flow rate of 390l/min at 0,3bar suction.
For use at airports there is a chemically nickel-plated adjustable version available as 1½” .
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