Advantages and disadvantages of capillary tube:
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Capillary tube is a device used to control the refrigeration system according to the working conditions. Capillary tube is used for a less capacity plant.The capillary tube has small diameter hole one end of the hole is connected to the evaporator and another end is connected to the condenser.
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Advantages of capillary tube:
- The capillary tube is more reliable and high accessibility.
- The capillary tube has high resistance to friction.
- It is easy to manufacture.
- It is less expensive to use.
- It is highly accurate in the working place.
- The efficiency of the capillary tube can be increased to the maximum.
- It also works as pressure reducing valve of refrigerant flow.
- The torque required to start the compressor is less.
- By using a capillary tube in the system, there is no need for an additional receiver.
- This mostly used for small capacity systems.
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Disadvantages of Capillary tube:
- A Capillary tube designing should be made with accurate.
- Capillary tube device is not useful at variable load.
- High cleaning is required.
- There should be no moister or any dirt particles in the tube.
- Compressor leads to damage when there are any liquid particles remaining in the evaporator at the time of shut down.
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