High reliability, high machining precision, long service life
The units use r22 as refrigerant and can also use other refrigerants including R134A etc. (needing to order non-standard products.)
Condensers are water-cooled shell and tube condensers, use high efficiency heat exchange tubes and have small volume and small weight.
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The evaporators have a shell and tube flooded structure and use high efficiency heat exchange efficiency
The injection oil return mode is used in unit oil return, thus realizing simple and convenient operation and high reliability.
Semi-hermetic series screw chiller units use the pressure differential oil feeding mode.
The units uses the international most advanced PMFL+SV control mode in liquid level control, which can realize continuous automatic regulation and good reliability
A small unit is an integral structure and a large unit is skid-mounted. The unit is generally assembled at installation site; after being connected with water and power and charged with an appropriate quantity of refrigerant and refrigerant oil, the unit can be put into use.
Smooth and stable operation, small vibration, low noise and high safety and reliability of the whole unit.
