Articles Posted in the " Expansion Valves " Category

  • Refrigeration Expansion valves-Fill in blanks

    Refrigeration Expansion valves-Fill in blanks

      Refrigeration Expansion valves-Fill in blanks This increases understanding in depth of the expansion valves. Expansion valves reduce the condenser pressure to evaporator pressure and also control the flow of refrigerant as per cooling requirements. FILL IN THE BLANKS FOR THE EXPANSION VALVES Various expansion valves control the flow rate of refrigerant and also ————the […]


  • Thermostatic and Automatic Expansion valves

    Thermostatic and Automatic Expansion valves

     Thermostatic and Automatic Expansion valves Expansion valve in a refrigeration system is very important as it decreases the pressure as well temperature from condenser outlet conditions to evaporator inlet conditions. Capillary tube, automatic – thermostatic expansion valves, low side and high side float valves are used as expansion devices as per cooling requirements. Each has […]


  • Refrigeration-Equipment-1

    Refrigeration-Equipment-1

    Refrigeration-Equipment-1 Dry evaporators are used in domestic units where as flooded evaporators are in commercial and industrial units. Liquid suction heat exchanger ensures super heated vapor to compressor and sub-cooled refrigerant to the expansion valve. Refrigeration equipment includes compressors, condensers, evaporators,expansion valves, piping and various controls. TYPES OF EVAPORATORS: Dry expansion type and flooded type […]


  • mcq-Refrigeration-Expansion Valves

    mcq-Refrigeration-Expansion Valves

    mcq-Refrigeration-Expansion Valves mcq increases the understanding and clarity. More and more mcq on expansion valves used in refrigeration will be of further usefulness. Capillary tube is the expansion valve used in refrigeration and Air Conditioning  units of cooling capacity (a) < 3 tons (b) > 3 tons (c) <10 tons (d) None (Ans:a) Thermostatic expansion […]


  • * Short Interview Question Answers on Expansion Valves & Controls

    * Short Interview Question Answers on Expansion Valves & Controls

    Short Interview Question Answers on Expansion Valves & Controls   List the various types of expansion devices with their practical applications. Various types of expansion devices 1.Capillary Tube Very small diameter ( fraction of a mm) tube with no moving parts thus extremely simple and least expensive: Used in small refrigeration units like refrigerators, Window air conditioners, […]