The KESSEL backwater valves are intended for installation in gravity fed wastewater pipes.
The KESSEL backwater valves must be kept in good working order at all times and be easily accessible. The flaps are normally closed and open automatically to allow outflowing water to pass.
The double and single flap lockable backwater valves have a manually lockable flap as an emergency stop. This enables the valve to be opened and closed manually. If out of operation for a prolonged period, the emergency flap should be kept closed.
If you would like one of Kessel’s many other valves from their range please contact us.