Beswick Engineering Co., Inc. Datasheets for Backflow Preventers

Backflow preventers are assemblies consisting of two check valves and two shut off valves. These assemblies may also include test cocks for each chamber.
Backflow Preventers: Learn more

Product Name Notes
The check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking...