These valves are pre-fabricated to suit specific pipe materials and situations.
Sewer Flap Valves - Socketed
These valves are mainly used in small scale construction and domestic applications, designed to suit 110mm and 160mm pipe that complies with the EN 1401 standard, such as sewer pipe and pressure pipe. A smaller version is also available to suit corrugated pipes from 72mm – 160mm.
Made with a universal coupler complete with a ring seal, these valves are designed to push-fit for quick easy installation. The flaps themselves are chromium-nickel plated for increased chemical resistance and come complete with an EPDM gasket to ensure a watertight seal.
These valves also boast a certification to EN 13654 and meet all UK regulations.
Sewer Flap Valves – Internal Push Fit
These injection moulded polypropylene flap valves are designed to be push fit internally into 110mm pipes; the fins around the body of the pipe are designed to provide an air and watertight seal.
The flap is held in place using a stainless steel spring which provides added tension, ensuring the flap stays closed when not in use.
Because of the push fit nature of these valves, they are ideal for use in older clay and concrete inspection chambers, were a socketed pipe connection is not always a viable option.
Flap Valves – Wall Mounting
These valves, made from HDPE are designed to be used in situations were no pipe connection is available such as a headwall, river bank etc.
Available from 100mm – 1000mm diameter with larger sizes available to order, the open and close back pressure can be adjusted using stainless steel counter weights to suit any application. Supplied with fixing bolts and chemical anchor.
These valves can also be modified to suit twinwall pipes by welding couplers and spigots of pipe to the rear of the valve; these are used when a heavy duty end of line valve is required.