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Breathing Valve Introduction
Nov 23, 2017

The breather valve is a ventilation device fixed on the top of the tank to ensure the normal state of the pressure in the tank, prevent the overpressure or vacuum in the tank, cause damage to the storage tank, and reduce the volatilization loss of the liquid in the tank.

According to the "code for fire protection design of petrochemical China" (GB50160-92) provides: "fixed tank a and B liquid, should set the flame arrestor and breather valve, Daye company developed DB series of new products with complete specifications, the advantages of compact structure, light weight, ventilation, and small leakage etc.. The products have single calling valve, single suction valve and breather valve. All kinds of structure can be combined with flame arrester, or the required nozzle can be prepared.