Zawór napowietrzająco-odpowietrzający bob综合体育官网下载 DUOJET® Typ AWWA Typ jednokomorowy takie same powierzchnie wlotu i wylotu

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.