Name is explosion-proof, explosion-proof nature can be.

　　Its basic principle is to add an overpressure valve exhaust valve at the mouth of the ordinary body, its role is: When the tire pressure exceeds a set limit, discouraged bore out the exhaust valve automatically when the exhaust resulted in a slight decrease in tire pressure when the vent valve will automatically shut down, the pressure is still maintained within a predetermined range. After installing this product, tires do not have to consider the so-called standard pneumatic pressure every time, but has been inflated to the pressure of the exhaust valve is reached.