Well Pump Check Valve Placement

Correct placement of sump pump check value.

Well pump check valve placement.

If you mention check valves to most plant personnel the typical response is they don t work. What they are how they work and why they must. Hello i ve lived in my home for about 4 5 years and have always wondered if the random cycling of my well pump could be do to me not having a check valve between the pump tank and the well pump. For sewage applications a ball check valve is popular to use as they stand up better to the tough conditions.

The closer the check to the pump the less water that will reverse flow drain out when the pump shuts off. Even if a pump does have a built in check valve we recommend that a check valve be installed in the discharge line within 25 feet of the pump and below the draw down level of the water supply. Check valves are probably the most misunderstood valves ever invented. The house was pre existing but i really question the ability of the pump to hold the pressure in let alone to not have any small leaks in the piping all the way up from the well in the ground.

Many well pumps have built in check valves. There is risk of water hammer in the upper check valve if the lower check valve fails. A ball check valve is much less likely to be effected by these. Buy a check valve.

Sizing for the application not the line size. On a submersible well pump installation if your well water pump does not have a built in check valve many submersible pumps do have a check valve a line check valve should be installed in the discharge pipe within 25 feet of the pump and below the drawdown level of the water inside the well. Although installers have different opinions in deep wells we recommend that check valves be installed every. See diagram properly located and operating check valves hold water pressure in the system when the pump.

With a swing check valve these solids can make this function not work well over time. With no check valve that discharges to a floor drain. Than neccesary and the pump does not discharge from the well. One which i believe was not mentioned was the 3 16 hole within 6 of the discharge to prevent air lock during pump cycling.

In a sewage system you are generally dealing with solid and semi solid liquids. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.