22mm DZR brass double check valve with compression ends to BS EN 1254-2. It stops the flow of fluid in one direction while allowing free flow in the opposite direction, protecting the mains supply against backflow contamination.
- 22mm double check valve — prevents backflow
- DZR (dezincification resistant) brass body
- Compression ends to BS EN 1254-2
- Working pressure 10–16 bar; max working temperature 100°C
Pack of 1. Essential protection wherever Fluid Category 3 backflow prevention is required on 22mm pipework.