Pond Plumbing >> Valves

Check valves with true unions limit the flow of water to one direction. This prevents water from flowing backwards or backing up your pump or filter. Check valves should be used in areas under pressure where water is flowing upward. All of our check valves come with true unions on them. We feel it is very important to have true unions on your check valve just incase something gets stuck in it. These unions will allow you to remove the check valve without cutting into your plumbing.

Knife Valves allow you to tightly seal water lines of the connected piping to allow for maintenance on joined mechanisms such as pumps or filters without shutting down your pond.

Super for waste drains and low-pressure aquaculture. Knife gate valves are economical, quick-acting valves for clean and dirty water low pressure applications.

They have become very popular in the aquaculture industry for several reasons.

Manufacturers may differ according to size.