Two-Stage Absorption Chiller

Advanced two-stage absorption technology for enhanced efficiency and superior performance

The BROAD Two-Stage Absorption Chiller is an advanced, dual-cycle system designed for high efficiency, reliability, and superior energy savings in industrial and commercial HVAC applications. Using innovative lithium bromide-water absorption technology and a two-stage process, it achieves outstanding Coefficient of Performance (COP) while maintaining precise temperature control and robust part-load operation.

Two Stage Chiller Models

BZ Model, Hot Water Driven

• Capacity: 30-3300 ton
• Gas Pressure: 0.16 - 0.51 kg/cm²
• Dual Fuel Burner (Gas and Oil, Low NOx, <10ppm)
• Cooling / Heating / Domestic Hot Water

BS Model, Steam Driven

• Capacity: 30-3300 ton
• Steam Pressure: 4.2 - 10.5 kg/cm²
• Chiller Come With Steam Valve
• Cooling Only

BE Model, Exhaust Driven

• Capacity: 40-3300 ton
• Exhaust Pressure Drop: 3 - 8 Inch W.C.
• Exhaust Temperature: 280-532°C
• Cooling / Heating Only

BH Model, Hot Water Driven

• Capacity: 30-3300 ton
• Hot Water Temperature: 138 - 180°C
• Provides Hot Water Valve
• Cooling Only

Key Features

Two-stage absorption cycle: Delivers enhanced efficiency and consistent performance, especially under varying loads.
Exceptional COP and part-load efficiency: Achieves more cooling per unit of input energy, maximizing operational savings.
Broad application range: Serves cooling, heating, and domestic hot water needs in large buildings, process industries, and district cooling systems.
Crystallization resistance: Advanced system design reduces risk of lithium bromide crystallization, improving uptime.
Precise temperature control and low thermal input requirements for further energy optimization.

Applications

• Large commercial buildings
• Industrial process cooling
• District energy
• Hospitals, campuses, hotels
• Facilities with demanding, continuous cooling or heating needs

How the Two-Stage Process Works

The chiller uses two absorption stages in series, improving energy extraction from the driving heat source and yielding a higher overall COP. This design reduces energy consumption and delivers reliable, eco-friendly cooling across fluctuating demand profiles.

Benefits

Superior efficiency and reduced high-grade energy consumption.
Reliable performance for demanding, energy-critical environments.
Enhanced environmental compliance and contribution to sustainability goals.

Interested in Two-Stage Technology?

Two-Stage Absorption Chiller