DONJOY sanitary stainless steel 316L air release valve with EPDM float ball

DONJOY sanitary stainless steel 316L air release valve with EPDM float ball

INTRODUCTION
Donjoy specializes in manufacturing and exporting valve,pump,fitting for over 20 years with good quality and pretty competitive price. Products are with 3A,CE cetification and production management is according to ISO9001-2008. With advanced technology,excellent quality and perfect after-sales service system, has been assessed as the national high-tech enterpries,the provincial famous trademark, the trocincial science and technology enterprises,innovative enterprises,patent model enterprises,R&D center,AAA credit enterprises.

APPLICATION
Air release valve is a reliable,automatic air relief valve which is installed vertically on the top of a pipeline or container or before the inlet of removal a pump,where the releasing air is required,

Here below are two examples of applications.

Example 1:

Air cavity is formed due to the installation of the pipeline ,and thus need to release air.In this case the valve is installed at the top of the pipe.

Example 2:

Discharge air at inside of the pipeline of the pump.When the pump opened the air will be automatically discharged and forming a vacuum.In order to avoid the air mixed with products and the appearance of cavitation.In this case the valve is installed in front of the pump,on top of the inlet pipe.

WORKING PRINCIPLE

Air release valve is a double seat valve with a freely movable EPDM ball.According the condition of pressure to close the upper or lower valve seat