Breathing valve is the main safety equipment installed in the crude oil, gasoline, kerosene, diesel, aromatics and other fixed type storage tank on top, is fixed in the tank top ventilation, in order to ensure the normal state of pressure in the tank to prevent tank overpressure or vacuum to tank is damaged, it can reduce liquid volatilization loss tank. Products have a single call valve, a single suction valve, various types of structures can be combined with the flame arrester structure, can also be formulated to take over.
The amount of oil hole is a pedal type, which is installed on the top of the oil tank, which is used to measure the height and the measure of the oil in the tank. The drainage hole is arranged on the light oil tank, and the sludge is discharged from the hole when the cleaning tank is cleaned, and the sewage can be discharged from the water discharging pipe.
Fire resistance ventilation cap is an important part of the city industrial and mining enterprises, gas stations, installed in storage tanks (or pump delivery is not more than 25m2/n of light oil small tank).
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