Stop Silent Light Check Valve prevents sewer backflow into buildings and blocks animal infestation into pipe system. Combining rubber check valve and expansion clamp that friction locks tight seal inside pipe, design allows for largest opening possible with lowest pressure drop to provide consistent backflow protection. Airtight seal also provides barrier to stop gaseous odors from escaping into air. Offered in 4, 4.5, 5, 6, and 8 in. sizes, valve is designed for back pressure up to 7.25 psi.
This story is related to the following:Check Valves | Ball Type Check Valves