CALIBRATED RESTRICTOR DEVICE

CALIBRATED RESTRICTOR DEVICE DESIGNED IN COMBINATION WITH A CHARGING HOSE TO METER LIQUID REFRIGERANT INTO THE LOW SIDE OF A REFRIGERANT SYSTEM, SINCE EXPANSION OF THE LIQUID REFRIGERANT DOES NOT TAKE PLACE IN THE CYLINDER CONTAINING THE REFRIGERANT, THE CYLINDER TEMPERATURE AND PRESSURE REMAIN CONSTANT, THERE IS NO NEED TO APPLY HEAT TO THE CYLINDER WHEN CHARGING, FOR USE WITH 1/20 TO 3/4 TON UNITS, DIMS: 5-1/2" LONG X 1-1/4" DIAMETER, WEIGHT: 4 OZ