Form A: the max. pressure while venting is 50 mbar (0.73 psi) with a max. air volume of 500 l/min. The air filter prevents dirt entering.
Form B: contains a plastic vent and aeration valve. The opening pressure while venting is 0.35 bar (±0.05 bar). The opening pressure while aerating is 0.05 bar. This form is suitable for applications where the airflow needs to be controlled in both directions.
1. Sealing cap red Polyamide 66 thermoplastic.
2. Filler sieve black Polypropylene thermoplastic.
3 Flange electro zinc-plated steel.
4. Fastening screws electro zinc-plated steel.
5 Flange seal cork.
6. Chain brass.