Air Valves Potable Water - Single Small Orifice – 1” BSP PN16 and PN25

- Cast iron construction
- WRc approved
- High impact plastic internal parts
- 1” BSP inlet
- Release of entrained air on pressurised pipes or vessels
- To be installed vertical with inlet nipple at the bottom
- Install with an isolating ball valve.
- Optional 80mm flanged inlet
Section 4.1