STM - Water Chiller

• Cooling process water for industrial machinery such as injection moulding machines, welders, and machine tools.
• Maintaining optimal temperatures in food and beverage processing lines, including breweries and dairies.
• Providing temperature control for laboratory equipment and analytical instruments.
• Cooling hydraulic systems and other heat-generating industrial processes.

Typical cooling capacity

For this class of equipment, capacities commonly range from 5 kW to 50 kW, depending on the specific model and application requirements.

Power supply

Units of this type typically operate on 3-phase industrial power, commonly 400V/50Hz in the UK, though smaller units might be single-phase.

Refrigerant type

Modern industrial chillers commonly use HFC refrigerants such as R410A or R134a, in line with environmental regulations.

Temperature control range

Typically, these chillers offer a temperature control range for process water from +5°C to +25°C, adjustable to suit specific process needs.

Pump type

Units commonly feature an integrated centrifugal pump, sized to provide adequate flow and pressure for the intended cooling circuit.

Footprint

The physical footprint for industrial water chillers varies significantly but is typically designed for industrial environments, ranging from compact floor-standing units to larger outdoor installations.

• What maintenance is typically required for a used water chiller?

  Regular maintenance commonly includes checking refrigerant levels, cleaning condenser coils, inspecting pump seals, and verifying electrical connections. A service history, if available, is beneficial.

• Can this chiller be used outdoors?

• What are the common causes of failure in industrial chillers?

• Is a pre-purchase inspection recommended for a used chiller?

• What accessories or ancillary equipment might be needed?

Chillers and recirculating coolers hold strong reputation in laboratory and biotech sectors for temperature stability and process reliability. Buyers typically prioritise checking refrigeration system condition, pump functionality, and temperature control accuracy when purchasing used units. Industry sentiment favours models with robust construction and established service records. Common strengths include consistent cooling performance, energy efficiency relative to age, and durability when properly maintained. Verification of calibration history and cooling capacity specifications remains essential before purchase to ensure suitability for sensitive applications.

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