Check valve NRD-W

Check valve NRD-W is used as a pipeline valve in order to prevent liquid or gas from flowing in a direction opposite to normal. Check valve is applied in order to avoid back flow of the transporting media. This valve stops the flow of transported media by spring force. In order to effect its installation you will need to use weld-neck flanges of corresponding diameter and pressure.
Application fields:
- hot and cold water supply systems,
- pumping stations.

- Nominal diameter: DN 40-300 mm; - Pressure: PN 16; - Maximum working temperature:+100 ºС; - Connection type: wafer; - Valve body material: cast iron GGG-40; - Application: safety valves. NRD-W wafer type clack check valve materials and parts specification.