Brass air admittance valve
- Certificate: ISO
- Material: Brass
- Connection: Thread, BSPP (G) / BSPT / NPT
- Installation: Vertically only
- Temperature: 0°C to 90°C
- W. pressure: PN 16 (1.6 MPa)
- Surface: Rough brass
Brass air admittance valve is a one-way mechanical valve used to maintain stable pressure in the pipeline. When there is a decrease in pipeline pressure, the valve opens to let air into the pipe, and it again closes after restoring the pressure balance.