QZF-89 all-weather fire breather valve

Product Category：BREATHER VALVE
Product Name：QZF-89 all-weather fire breather valve
Product Tag：all-weather fire breathing valve
Update Date：2021/8/30 23:53:08
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Note: Our Products Can Be Customized According To Customers' Needs. In Addition To National Standards,We Can Design And Manufacture According To American Standards, Japanese Standards, German Standards, Russian Standards, British Standards And So On.

Main purpose

The valve is a ventilation device installed on a fixed roof tank, which reduces oil evaporation loss, controls the pressure of the storage tank and prevents the introduction of external flames. It can be used in conjunction with a hydraulic safety valve.

main feature

The valve has the characteristics of large ventilation, small leakage, corrosion resistance, etc., and has an electrostatic grounding wire to keep the valve and the tank at the same potential. The valve has antifreeze performance and is suitable for cold areas.

Specify

Because the weather is humid and windy and the temperature reaches zero degrees, the storage tank cannot be used for sending oil. In emergency production, the oil metering hole and other gas supply products must be opened first to maintain the safety function of the storage tank.

(This product should be inspected and maintained regularly for 3 months.)

The main technical parameters

Operating pressure: positive pressure: +980Pa (100mmH2O)

Working medium: gasoline, kerosene, diesel, aromatic hydrocarbon, aviation oil, food oil and other liquids.

Negative pressure: -295Pa (30mmH2O)

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