Between the pump outlet point and the junction with the main sewer line there is always a check valve to make sure that nothing drains back into the sump basin after the wastewater is pumped out.
Sewage ejector gate valve.
Designed and manufactured for use in wastewater and sewage applications pratt gate valves are produced in both non rising stem nrs and outside screw yoke os y versions.
If the backwater valve detects a backflow of sewage it switches from an open position to a closed position preventing water from flowing back up your pipes into your basement.
If you do not have a check valve installed it will cause your system to work much harder and more often to pump out the same amount.
Buy 3 inch sewage pump check valve direct and save.
A backwater valve sometimes called a backflow or sewer backup valve is a valve you can install on your sewer line and is designed to allow water or sewage to flow only one way that is out of your house.
These valves help to make sure that the water that was pumped out does not come back into the pit.
A sentinel backflow prevention device is easy to install.
Anytime there is a sudden heavy rainfall the city sewer lines can become overwhelmed causing water or sewage to flow back towards your home.
3 inch check valve superstore.
Installation of a backwater valve.
Available in sizes 2 through 96 our metal seated solid wedge valves are designed in accordance with awwa c500 standards as well as ansi and astm standards.
First measure the size of your drain.
A sump sewage check valve is a plumbing product that is specifically used in a sump or sewage pump system.