Non-Return Valve -- Suitable for Flood/Storm Water
Non-return valve: In a flood situation back flow in drainage pipes can cause flooding if measures aren't
taken to prevent it. Non-return valves are installed to prevent backflow.
These EN certified valves prevent backflow into
residential and commercial premises via the
drain systems, toilets or sewers. The backflow
valves can be installed in horizontal sewage
pipes within the building or in manholes/access
chambers outside the building.
Suitable for Flood/ Storm Water
Available in 4 inch and 6 inch and 9 inch.
Multi-flap Backflow Valves: Multi-flap
valves are available to provide additional
security against backflow in special risk
Sewage Non-Return Valve (Designed
and Manufactured By Mainline) -- Suitable for Sewage
Mainline Back Flow Valve: In most flooding situations flooding via the sewage and drainage system can lead to
infectious waste entering the property. The back flow valve is specially designed to prevent water and sewage from entering a
The back flow valve is suitable for the following applications
The unique design of the water and sewage valve means that in everyday normal operation the system remains fully open.
When back flow occurs, the gate automatically closes to prevent water and solids from entering.
Easy-Fit Non Return Valve - Fits inside the pipe
Easy-Fit Non Return Valve: The
easy-fit non return valve just slips inside your
existing pipe work, eliminating the need to
excavate or modify existing pipe work. The Valve
can be fitted in minutes and is currently
available for standard 4 inch/110 millimetre
pipes our Non-return valves effectively protect
your property from the mess, smell and
discomfort caused by back-flow.
The easy-fit non return valve is suitable for the
Flap Valve: The flap valves can
be installed at the end of horizontal sewage
pipes entering collection wells, cesspits or in
drainage pipes leading storm water to soakaways
or rivers. The Drainage Flap Valve comes with an
universal coupler allowing it to be installed on
drainage pipes or corrugated pipes without
holes, from 72 to 100mm diameter.
Available in two types for standard pipes
and drainage pipes
Highest Quality Construction, EN 13654
Protects against damage by rodents and
blocks their entry. Smooth interior surface to
prevent any sediment collection.
The flap valves come in standard sizes to
fit UK pipes at 110 and 160mm.
The Drainage Flap Valve with universal
coupler fits drainage
pipes from 72mm to 100mm.
HDPE Wall Mounted Flap Valves : Wall mounted flap valves are made from high quality HDPE materials or a combination of HDPE material and
stainless steel reinforcements. The materials are highly corrosion resistant with a longevity and low
Available in sizes ranging from
100mm up to 1000mm.