A pressure-balancing valve, fitted with a means of protection against low temperatures, for cold-storage rooms

摘要

The object of the present invention is a valve for the balancing of the pressure inside a cold-storage room positioned inside any of the walls (1; 1a) of the cold-storage room and connected to the interior by means of one or more channels (8.1; 8a.1; 8b.1) created in or around an insulating material insert (8; 8a; 8b). The channels have a suitable shape to minimise or prevent the transmission of heat via convection or conduction and the main advantage of the device is that the valve is not affected by the low temperatures of the room which could otherwise prevent it functioning. <IMAGE>