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.
Characteristic(s)
Material, version:
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.