The growth valve holds again the refrigerant and maintains the high strain of your condenser. Within the enlargement valve, a small orifice makes it possible for a limited level of refrigerant to carry on to flow. Since it flows as a result of this restriction it reaches the lower tension https://www.penmann.co.uk/penmann-delivers-permanent-glycol-chiller-solution-for-ambrosia-creamery-in-lifton/