Danfoss provides different types of refrigeration and cooling system. Teaq, expansion valves for ammonia, is a product of danfoss. Teaq is used for industrial refrigerating plants with r717 [nh3]. Teaq valve is operated by a controller type ekc 315a through a superheat signal from a pressure transmitter and a temperature sensor. Teaq system regulates the supply of refrigerant for the evaporator on the basis of the smallest permissible superheat. Teaq can also be used on evaporators with a liquid distributor, e.G. Liquid coolers, plate heat exchangers and air coolers dimensioned for self-circulation.
