The growth valve retains back the refrigerant and maintains the substantial tension in the condenser. In the expansion valve, a small orifice will allow a restricted volume of refrigerant to carry on to move. Because it flows by this restriction it reaches the low strain facet from the valve. The https://www.penmann.co.uk/penmann-delivers-permanent-glycol-chiller-solution-for-ambrosia-creamery-in-lifton/