PP air valve commonly used in air conditioning, ventilation pipe, used to adjust the air 

flow of branch pipe, is one of the indispensable parts of ventilation pipes.Xicheng PP
air valve and is now on the market is different, now in the market a lot of air valve is
made by hand, not only the production cost is high, and particularly low production
efficiency, and the city of PP air valve is their own independent research and development,
one-time injection molding, has the characteristics of high strength and good sealing
effect, the surface smooth, small resistance, beautiful, and PP both head wind valve socket,
convenient and quick and pipeline connection.Existing specifications: DN63 automtic, DN75,
DN90, DN110, DN160, DN200, DN250 and DN315 adapter with the specifications of the PP duct.

A: Provide 24 hours free consultation

B: We can according to your requirements processing

    customized various specifications, models.