12mm Single Check Valve John Guest
Write a Review
12mm Single Check Valve John Guest
John Guest 12mm single check valve is equipped with nitrile O-rings and constructed from acetal copolymer material. It's a simple push fit connection and safely prevents against the backflow of liquids or back siphonage.
Specifications:
- Max water temperature 50°C
- Backflow prevention up to Fluid Category 2
- Not suitable for vacuum or air systems
