Double exhaust valve

The valve is suitable for working medium for water pipeline,as a device to eliminate gas pineline,in order to improve the efficiency of the transmission of water equipment and protection of the pipeline is not deformed,broken,is the necessary equipment of the pipeline.

features:1.can eliminate the gas in hte pipeline,reduce resistance,save energy. 2 when the pipeline negative pressure,the product can automatically suck air to prevent pipeline rupture.3.floating ball for stainless steel,long life,safe and reliable.