N6VRFL

In-line ball check or non-return valve, made of ductile iron GJS-400-15. Closing ball in aluminum with NBR coating. NBR sealing gasket. Female threaded connections according to UNI ISO 228/1. Surface treatment: epoxy painting. The N6VRFL check valve is generally used in drainage systems for sewage or liquids with suspended solids in civil and industrial installations where it is necessary to prevent the return of the fluid and operates at a nominal working pressure (PN) of 10 bar.