160mm Non Returnable In-line Double Flap Backwater Valve

Back Water
Valve

100% tested for safety and comply with the guidelines set out in BS EN 13564
• Robust design and maintenance-free operation
• Stainless steel anti-flooding flaps
• Special design of the body minimises the risk of solid waste accumulating and blocking inside the valve
• Also suitable as a rodent deterrent

Backwater Valve are installed in-line along the drainage system to allow sewer or surface water materials to freely flow in the direction of the systems mains but block backflow of those materials in the opposite direction in instances, such as, flooding.
Protect buildings against backwater flooding due to rainwater travelling back up the sewerage system.
Automatically operated, providing free-flow wastewater drainage according to the slope of the rainwater drain.
These backwater valves are available in a wide range of sizes and are easy to install in waste water networks and systems with pipes of Ø110 to Ø200.

Fernco’s, previously known as Flexseal range of In-line Backwater Valves (BWV’s) support the flood prevention methods used in the installation of new drainage systems.

Automatically operated and maintenance free, providing free flow of sewer or surface water materials.

Available in a range of sizes to accommodate the most common smooth PVC pipe sizes: 110mm, 160mm and 200mm.

Here are some of the benefits:

Easy to install
Maintenance free
Removable lid for inspection
Easy to operate locking mechanism
Robust design and materials
Protects against back flow and pests, such as rats and other rodents
Stainless steel flaps as standard
A range suitable for stormwater and sewer applications
Complies with the guidelines set out in BS EN 13564