SQD series
Dry expansion evaporator
The dry expansion evaporators from the SQD series have been developed for air conditioning and process cooling applications. Their unique square design enables high heat transfer performance while making efficient use of the available installation space. Thanks to the patented tube bundle and optimised internal design, they are ideally suited for liquid chillers with medium to high efficiency.

Specifications
Refrigerants
HFCs
HFC/HFO blends
HFOs
Propan R290, Propene R1270 and Isobutane R600a
HFC/HFO blends
HFOs
Propan R290, Propene R1270 and Isobutane R600a
Versions
Eight shell lengths (150 to 500 mm)
Multiple tube lengths (2000 to 4200 mm)
One, two or three independent refrigerant circuits
Multiple tube lengths (2000 to 4200 mm)
One, two or three independent refrigerant circuits
Evaporator capacity (series):
up to approximately 2000 kW (at water +12/+7°C and an evaporation temperature of +4°C)
Design pressure
Design pressure: 24.5 bar (tube side); 10 bar (shell side)
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