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Thursday, December 20, 2018

Lecture Notes-2 HVAC Expansion Valves


File Size: 550 kb

Description
Thermostatic expansion valve or TEV is one of the most commonly used throttling devices in the refrigerator and air conditioning systems. The thermostatic expansion valve is the automatic valve that maintains proper flow of the refrigerant in the evaporator as per the load inside the evaporator. If the load inside the evaporator is higher it allows the increase in flow of the refrigerant and when the load reduces it allows the reduction in the flow of the refrigerant. This leads to highly efficient
working of the compressor and the whole refrigeration and the air conditioning plant. The thermostatic expansion valve also prevents the flooding of the refrigerant to the compressor ensuring that the plant would run safely without any risk of breakage of the compressor due to compression of the liquid. The thermostatic expansion valve does not controls the temperature inside the evaporator and it does not vary the temperature inside the evaporator as its name may suggest.


Content:-
1. INTRODUCTION
2. THE REFRIGERATION SYSTEM
3. TYPES OF EXPANSION DEVICES
4. FUNCTIONS OF THE THERMOSTATIC EXPANSION VALVE
5. HOW THE THERMOSTATIC EXPANSION VALVE WORKS
6. THERMOSTATIC EXPANSION VALVE APPLICATIONS


Author Details
 LECTURE By
"Kamal Mustafa saeed"




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