PVC Plastic Check Sewage Drain Non return Double Flap Valve Backwater Prevented 110mm

ManoMano

Devices have two independent protective covers which are beneficial during back flow because the pressure affecting the first flap is not immediately transferred to the other. - Diameter: 110mm - Mounting: vertical - Karmat double flap backwater valves are equipped with an innovative chromium-nickel lever guard, which constitutes additional security - These are the only valves with two flaps equipped with two levers for manual closing available on the market. It enables fast evaluation of proper operation of both flaps. The easy change of both levers from opening position A to closing position B and back means that both flaps work properly in the valve and it is not necessary to carry out any additional maintenance operations - The possibility to check proper operation of both flaps is a great advantage of such a technical solution - Flaps are equipped with chromium - nickel protective guards securing the flap and gasket against rats and its sliding during sewage flow. It is a very

Amazon

Installed in 110mm sewage pipes before they exit a building or sewage drains; Prevents against rodents entering building interiors through the sewage and other sanitary systems; Secure the lower floors against flooding caused by back flow of storm water and sewage; Double-flap backwater valves offer a greater choice of security devices, Weight: 4.1446905256 Pounds, Manufacturer: Karmat