It is used to balance the pressure inside the room and the outside pressure in cold storage. At lower temperatures in cold rooms, a pressure difference occurs with the hot air that can enter the room during door opening-closing or during defrosting. Pressure balance valves are used to prevent damage to cold room doors or panels caused by this pressure difference.
Valves can be used up to -50 degrees because they are made of durable plastic material. It is equipped with a resistance system to prevent the valve in the valve from freezing during the air inlet and outlet.