Air relief valve DUOJET®

for water systemsfor pipelinesstainless steel

High-capacity, single-chamber air valve with triple function for venting and releasing air in pipelines as well as for releasing air during operation, designed according to the AWWA 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. Sealing system/standard: Resilient seated Single chamber air valve in compact design acc. to AWWA C512 Very high discharge capacity up to sonic velocity due to stabilised floater 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 Outlet female threaded: acc. to DIN ISO 228 With flange ends on both sides acc. to ANSI B16.42 Class 150/300 Size of the inlet area correspond to the size of the outlet area With sidewise drainage plug Seat tightly down to 5 psi Triple function air valve