Industrial chillers
Applicable Standards
Industrial chillers adhere to global safety and performance regulations, including:
- ASHRAE 15(Safety Standard for Refrigeration Systems)
- ISO 5149(Refrigerating Systems and Heat Pumps)
- UL 1995(Heating and Cooling Equipment)
- CE Marking(EU Safety, Health, and Environmental Requirements)
- GB/T 18430.1(China’s National Standard for Vapor Compression Chillers)
These standards ensure energy efficiency, safety, and reliability across industries.
Working Principle
Chillers operate via avapor-compression refrigeration cycle:
- Evaporation: Low-pressure refrigerant absorbs heat from the coolant (e.g., water/glycol mix) in the evaporator.
- Compression: A compressor increases refrigerant pressure and temperature.
- Condensation: High-pressure gas releases heat to the environment via air-cooled fins or water-cooled towers.
- Expansion: The refrigerant expands, lowering its temperature before re-entering the evaporator.
For air-cooled models, fans dissipate heat; water-cooled systems use external cooling towers.
Test Principle & Applications
Chillers are tested for:
- Temperature Stability: ±0.1°C control accuracy under load.
- Efficiency: Coefficient of Performance (COP) ratings ≥3.5 for energy savings.
- Pressure Resistance: Leak tests ensure system integrity.
Key applications include:
- Plastics Industry: Cooling molds to prevent defects.
- Medical Devices: Stabilizing MRI/CT scanner temperatures.
- Food & Beverage: Chilling process lines or fermentation tanks.
- Laser Systems: Preventing overheating in cutting/engraving machines.
Industrial chillers are indispensable for processes requiring precise thermal management, offering durability, energy efficiency, and compliance with stringent industry standards.
Main Parameters
| Parameter | Specification |
|---|---|
| Cooling Capacity | 1–1,000 kW (customizable) |
| Temperature Range | -40°C to +35°C (adjustable via compressor/coolant) |
| Refrigerant Options | R410A, R134a, R290 (eco-friendly alternatives) |
| Pump Type | Centrifugal, magnetic drive, or positive displacement |
| Flow Rate | 10–1,000 L/min (process-dependent) |
| Power Supply | 220V/380V, 50/60Hz (single/three-phase) |
| Controller | PID microprocessor with alarms (over-temperature, low flow) |
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