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.
Available size
| Size | Connection | Working pressure | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 | BSPP (G) / BSPT / NPT | PN 16 | VC1801 |
| 3/4″ / DN20 | BSPP (G) / BSPT / NPT | PN 16 | VC1802 |
| 1″ / DN25 | BSPP (G) / BSPT / NPT | PN 16 | VC1803 |
| 1-1/4″ / DN32 | BSPP (G) / BSPT / NPT | PN 16 | VC1804 |
| 1-1/2″ / DN40 | BSPP (G) / BSPT / NPT | PN 16 | VC1805 |
| 2″ / DN50 | BSPP (G) / BSPT / NPT | PN 16 | VC1806 |
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