Cold storage or refrigeration room door

摘要

A door, especially for a cold storage or refrigeration room, incorporates a temperature gauge, interior lighting switch and pressure balancing valve. It consists of an injection-moulded frame (1) and an inner chamber (3) with a detachable cover (2) on the outside of the door. The cover and interior of the door have pressure balancing apertures on either side of the pressure balancing valve (5). The cover is also equipped with control and information panels (6).