VALVES/FLAP-VALVES FOR FLOOD PROTECTION OF PROPERTIES, BUSINESS AND HOMES PRODUCT ADVANTAGES •  Anti-flooding: prevents backflow of the sewage or flood water. •  Corrosion resistant: made of PA and PPH. •  Watertight: resistant to 1 bar back-pressure (10 m head). •  Anti-vandalism flap: flap secured special “anti-vandal” clips. PREVENTIVE SOLUTION COUPLINGS & SEALS NON-RETURN & FLAP VALVES

VALVES/FLAP-VALVES FOR FLOOD PROTECTION OF PROPERTIES, BUSINESS AND HOMES ECO-FLAP® N Designed for direct connection to any type of drain or sewer pipe ECO-FLAP® N prevents backwater from flowing back up through outfall pipes during periods of heavy rain or flooding and then flood properties. MOUNTING ECO-FLAP N is to be fitted onto the end of drain or sewer pipe systems. It can be fitted onto any type of pipes: •  PVC pipes (or pipes of same O.D.): connect directly to the spigot end of the pipe using the integral socket; •  ther pipes materials: cut off the socket then connect using a o NORHAM...

VALVES/FLAP-VALVES FOR FLOOD PROTECTION OF PROPERTIES, BUSINESS AND HOMES ECO-FLAP® B Designed for direct fixing to a headwall or pipe flange. ECO-FLAP® B prevents backwater from flowing back up through outfall pipes during periods of heavy rain or flooding and then flood properties. MOUNTING ECO-FLAP® B is to be installed at the end of drain or sewer water pipes systems. It can be fixed onto a vertical wall or pipes flanges: •  headwall: fix to concrete wall using the 4 No 8 mm Ø. Stainless steel anchor bolts provided; •  pipes flanges: connect direct to EN1092 PN 10 (ISO PN 10) flange using...

VALVES/FLAP-VALVES FOR FLOOD PROTECTION OF PROPERTIES, BUSINESS AND HOMES ECO-FLAP® CONCEPTION AND TECHNICAL HIGHLIGHTS CONCEPTION Every NORHAM innovation is developed in accordance with the requirements of ISO 9001 criteria (NORHAM is ISO 9001 certified since 1997). It involves (for example) ECO-FLAP®’s stress and watertightness analysis and validation. STRESS ANALYSIS The ECO-FLAP® design was subjected to computer based finite element analysis to ensure that stress levels at the maximum back pressure of 1 bar were well within acceptable limits. Thereby ensuring a durable product with a long...