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Tech Tip

JACK ADAMS on Thu March 31, 2011 10:52 AM User is offline

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Tip of the Week...

Orifice Tubes

The orifice tube often has a mesh screen and is found in the evaporator inlet pipe. In some cases this item is found in the outlet of the condenser. Its purpose is to limit the flow of the high pressure liquid and thereby meter the flow of refrigerant to the evaporator as a lower pressure liquid. The screen serves the purpose of trapping metal particles that break loose from the compressor or other components.
Tip of the Week...


TXV Valves

Expansion Valves come in two types, Block and Right Angle. The block valve is located at the evaporator and its purpose is to constantly check the temperature of the R12 or R134a and allow the proper amount of refrigerant to enter the evaporator. The right angle valve comes in two types (internal equalized and external equalized). This valve is also found before the evaporator and its purpose is to control the amount of refrigerant going into the evaporator.

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