1. The shell of the new type of vacuum pressure relief valve uses cast steel, which has a good corrosion resistance.
2. The valve plate uses cast steel and tetrafluoroethylene, which are low-temperature-resistant and have good anti-freeze performance.
3. Simple structure, easy maintenance, safe and convenient.
The range of applications:
1. Vacuum sanitary pressure relief valve is suitable for Class A oil whose storage flash point is below 20 degrees Celsius and Class B oil whose storage flash point is below 60 degrees Celsius, such as gasoline, benzene, toluene, kerosene, light diesel oil, thick oil and storage tank of chemical products of the same nature.
2. It can be used together with the new type of bellows petroleum storage tank flame arrester.