High-capacity, single-chamber air valve with triple function for venting and releasing air in pipelines as well as for releasing air during operation. Special tamper resistant strainer and bonnet design according to DIN standard. Corrosion-proof due to stainless steel inner parts (in size DN 50, inner parts made of plastic). Safe and reliable operation even at high air-release velocities of up to sonic speed. Suitable for use in water treatment, water distribution, in dams, power plants and in industry.
Product features and benefits
- Resilient seated
- With flange end acc. to EN 1092-2
- Single chamber air valve in compact design
- Tamper resistant due to special strainer and bonnet design
- High discharge capacity up to sonic velocity due to stabilised floater
- Triple function air valve
- Venting function:
- Large orifice to admission of high quantities of air during draining the pipeline
- Large orifice to release high quantities of air during filling the pipeline
- Small orifice to release low quantities of air during operation under pressure
- Minimum operation pressure: 0.3 bar