NBF Standard Pattern Ring Disc Nozzle Check Valve

The Noreva Non-Slam NBF Nozzle Check Valve is designed with low weight Ring Disc, Diffuser, multiple Spring design and friction-free Radial Guide Assembly, Metal to Metal seat, Standard Pattern Face to Face dimension and up to 400 Bar MWP. The valve design includes a twin turbulent-free, aerodynamic flow path and multiple Spring torque options. Each valve is optimised for very Low Head Loss with a Fast Closing, Non-Slam and Flutter-Free performance. With a Metal to Metal seat, no elastomers, no wearing parts and a WRAS approved Fusion Bonded Epoxy coating, the design is Maintenance Free and suitable for buried service. Specified for Potable Water Service in the UK Water Industry, it is compliant to WIMES 8.09i1 and DWI Regulation 31(4)(b).

Although all types of Noreva Nozzle Check Valves are available with a WRAS approved, Fusion Bonded Epoxy Coated Ductile Iron body and 316 Stainless Steel internals, the NBF range of Nozzle Check Valves are available with a range of material variations, Flange Connections and Pressure Ratings up to PN400.