Liner breathing valve is widely used in chemical, petroleum, metallurgy, medicine and other industries, and it is suitable for the storage tank of acid, alkali and other corrosive medium in the production process.

The suction port of the breathing valve can be added with the elbow structure and connected with other pipe joint flanges. In order to inhale nitrogen or other gases.

According to different working conditions, it can be divided into lining breathing valve, lining single breathing valve, lining single suction valve and other structures.

F46, PTFE, PTA and other materials can be selected according to the working condition of the medium.

Specification 2 "~ 12" (DN50 ~ DN300)

Positive pressure setting 0.2 ~ 103.4kpa

Negative pressure setting -0.2 ~ - 82kpa

Design and inspection standard api2000

Flange standards: ANSI B16.5, en1092, JIS, Hg / t20592 ~ 20615, GB / t9113, etc