Leakage /Freon - 4/4
Case-4
Factor Flare nut's fastening.
Damaged flares by over-fastening make gas leakages.
And incompletely fastened nuts too.
Troubles &
Causes
Defect Details
Guidelines
■ Fastening Torques of Flare Nuts
■ Torque-wrench is required for proper fastenings.
■ Check gas leakages of 4 fastened points and welded
points with soap bubbles ctc.
-High pressure points: amid compressor's running.
-Low pressure points: amid compressor's not running.
Tube Dia.(mm) Torques (Kg-Cm)
6.35 160~200
9.52 350~450
15.88 450~550
19.05 550~650
Damaged Flares by
over-fastening
Incompletely fastened nuts
Indoor Side
Outdoor Side
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