| |

QUESTION ANSWERS-EXPANSION VALVES & CONTROLS

QUESTION ANSWERS- EXPANSION VALVES & CONTROLS  Question answers make the concept absolutely clear. The basic principles become easily applied to practical applications.  List the various types of expansion devices with their practical applications. Various types of expansion devices are 1.Capillary Tube This tube is very small diameter ( fraction of a mm) tube with no…

|

ON AND OFF CONTROLS REFRIGERATION CLASS NOTES

ON AND OFF CONTROLS- REFRIGERATION CLASS NOTES On and off controls makes the operation automatic.  These save electricity. They also act as safety for the machine.     There are number of automatic off and on controls for the motor compressor of a refrigeration system. These are pressure, voltage and temperature controls. (i)                 Suction Pressure…

|

REFRIGERANT FLOW CONTROLS

REFRIGERANT FLOW CONTROLS Flow controls are fitted between the condenser and the evaporator. These produce the required pressure drop. These also control the rate of flow of refrigerant as per cooling required. There are five types of refrigerant flow controls. These are used in different applications. FIVE TYPES (i)  Capillary Tube (ii)  Automatic Expansion Valve…