Main purpose

　　QZF-89 all-weather fireproof breathing valveIt is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering.

Main features

This valve has the characteristics of high ventilation, low leakage, corrosion resistance, and is equipped with an electrostatic grounding wire to maintain an equipotential between the valve and the tank. This valve has anti freezing performance and is suitable for cold regions.

Main purpose

　　QHXF-89 all-weather fireproof breathing valveIt is a ventilation device installed on a fixed top tank, which reduces oil evaporation loss, controls tank pressure, and prevents external flames from entering. The valve disc structure is an air cushion type membrane valve disc.

Main features

This valve has the characteristics of high ventilation, low leakage, corrosion resistance, and is equipped with an electrostatic grounding wire to maintain an equipotential between the valve and the tank. This valve has anti freezing performance and is suitable for cold regions.