... in various fluid media:all type of refrigerants(R410a,R407c,R404,R134a,R22,R23,etc),oil,water,water and glycol mixtures. 2,Used in ... ),air conditioners,refrigerators,air dryer,water cooler,drinking thoughts,constant temperture refrigerator,heat recollection and circulation,floor heating,indoors and outdoors heating devices heat pump evaporator