The DDNRV valve operates on the discharge side of two pumps in parallel. Both pumps can run simultaneously or independently. When one pump is switched off, the ball will automatically drop back into the seat -stopping the back flow to the second pump.
- Replaceable seats
- Different mounting brackets can be fitted to suit the installation
- Particularly suited for mill cyclone feed pump applications
- All slurry applications requiring trouble free pump changeover
- SIZE (mm): 65 to 750.
- Different sizes available on request