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 ...

Backflow preventers are assemblies with two check valves and two shut-off valves that prevent reverses in process flow. They may also include test cocks for each chamber within the assembly. Backflow ...

If you're preparing to become a homeowner for the first time, you have a lot on your plate. You want to educate yourself about the process and about various operational systems inside your home ...

Increasing focus on improving safety and quality of water is a key factor expected to uplift backflow preventer demand in North America during the forecast period. A backflow preventer is a ...

A big pipe carries waste from your house to the main sewer line under the street. If either becomes plugged or overloaded, ...