About Product:Fast petroleum valve is suitable for industrial medium water pipeline, as a rapid removal of the gas in the pipeline equipment, In order to improve the efficiency of the water transport equipment and protect the pipeline will not be deformed and broken, All the necessary equipment for pipeline. The valve is a round barrel type valve body with a stainless steel float and plug-in inside. Installed at the outlet of the pump in the supply and Distribution pipeline to remove a large amount of spilled air in the pipeline to improve the efficiency of water pipes and pumps, and in the event of negative pressure in the pipe, The valve can quickly absorb air, to protect the line due to negative pressure damage.