HX4 with exhalation connection breathing valve

Characteristics and performance:

The breathing valve with exhalation connection is a connection breathing function installed on the top of a fixed storage tank (indoors),It can automatically adjust the pressure difference inside and outside the oil storage tank,Its performance is reliable and stable, fully in line with the Ministry of Petroleum IndustrySY7511-87Standard.

Scope of application:

The breathing valve with exhalation connection is suitable for storing flash points below28Class A oil products with a flash point below ℃60Storage tanks for Class B oil products at ℃, such as gasoline, benzene, kerosene, light diesel, heavy oil, and chemical products with the same properties.

Operating pressure:

Positive pressure:980PaNegative pressure:295Pa

Maintenance and upkeep:

In order to ensure the safe use of the breathing valve with exhalation connection, the breathing valve should be regularly inspected and maintained:

1Check whether the pressure valve disc and vacuum valve disc operate flexibly, and whether the contact surface of the guide rod and valve sealing ring is damaged.

2When reinstalling the pressure plate and vacuum plate, ensure that the contact surface is tight and the guide rod can be raised and lowered flexibly.

3When activating a new breathing valve, the shock absorber on the disc must be removed.