PVC Knife Valve (Gate Valve) for Open/Close Applications Sinking particularly in a densely-stocked pond

particularly in a densely-stocked pond and during very hot periods when oxygen levels decline

Use with ornamental ponds or fountains

producing a versatile water feature for both residential and commercial use

Programmable timer

thus creating a filter that is not prone to bacterial loss after backwashing

PVC Knife Valve (Gate Valve) for Open/Close Applications Sinking particularly in a densely-stocked pondPVC Knife Valves (Gate Valves) are the most popular choice for open close applications and low pressure applications. PVC Knife Valves are used on the majority of pond filter drains as well as the bottom drain circuits before and after many pre filters. Colors vary, may be white or black depending on supply at the time of purchase.