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150HP Air Cooled Screw Compressor Chiller Industrial chemical chiller 150 Ton Air cooling machine for PVC profile extrusion lines
Screw chillers have become key equipment in PVC profile extrusion
production through precise temperature control and efficient
cooling, which is directly related to product quality, energy
consumption and production costs. For modern production lines that
pursue high precision and high stability, its technical advantages
can significantly enhance market competitiveness.
Model Parameter | AGS-150ADH | |
nominal cooling capacity | kcal/h | 404200 |
kw | 470 | |
input power | kw | 162 |
Max. Running current | A | 370.1 |
power supply | 3PH~380V/50HZ | |
refrigerant | type | R22 |
refrigerating circuit | 1 | |
type of control | expansion valve | |
compressor | type | semi-hermetic screw |
quantity | 1 | |
Power | 67.7×2 | |
start-up mode | Y-△ | |
capacity control | 0-25-50-75-100 | |
condenser | type | air cooled type finned copper tube |
cooling air flow (m3/h) | 155000 | |
power(kw) | 27 | |
evaporator | type | shell and tube |
quantity | 1 | |
chilled fluid flow (m3/h) | 80.8 | |
inlet and outlet pipe diameter (inch) | 5 | |
safety protection | compressor over temperature, unit overload, high and low pressure, flow switch, phase sequence, phase-missing, anti-freezing | |
net weight | kg | 4200 |
Dimension | mm | 3150*4200*2200 |
Screw chillers play a key role in PVC profile extrusion production
lines. Their functions and advantages are mainly reflected in the
following aspects:
1.Quick cooling and shaping
PVC melt needs to be cooled rapidly after extrusion through the
mold to shape it. Screw chillers provide low-temperature cooling
water (usually 5℃~20℃) to accelerate the stability of molecular
structure and prevent profile deformation.
2.Precise temperature control
The PID control system maintains a constant water temperature (±1℃
accuracy) to avoid uneven cooling caused by ambient temperature
fluctuations in traditional water cooling and ensure profile size
consistency.
3.Eliminate thermal stress
Uniform cooling can reduce the residual stress caused by
temperature difference inside PVC, prevent warping and cracking in
the later stage, and improve the mechanical strength of the
product.
4.Auxiliary equipment cooling
Synchronously provide cooling for the extruder barrel, screw,
hydraulic system, etc. to prevent overheating shutdown and ensure
continuous operation of the equipment.
How to choose a chiller for PVC plastic pipe production lines?