High-capacity, single-chamber air valve with triple function for venting and releasing air in pipelines as well as for releasing air during operation. 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.
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Product features and benefits
With flange end acc. to EN 1092-2
Single chamber air valve in compact design
Very high discharge capacity up to sonic velocity due to stabilised floater
Triple function air valve
Venting function: - Large orifice to vent 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
With sidewise drainage plug
Body: Ductile cast iron EN-JS 1030 (GGG-40)
Bonnet: Stainless steel 1.4308
Bonnet bolts: Stainless steel A4 (DIN EN ISO 3506)