The important task in the operation of tank farms is the preservation of the quality and the quantity stored in them the product. An important instrument in the matter of prevention of losses of petroleum products is the use of respiratory valves, designed for hermetic sealing of gas space of tanks with oil and oil products and to maintain pressure in this space in the set limits, to reduce the losses of the product stored together with the fumes, and also for protection from penetration of flame into the tank.
КДС-3
КДС-4
