It is a universal dry rotor double-head pump suitable for heating, air conditioning, and refrigeration in large buildings. It can provide a variety of component materials, transport media at various temperatures, possess advanced technology, operate reliably and energy-efficiently, discharge condensate in a targeted manner, be easy to install stably, and can be used in specific operation modes. Wilo also provides related service support.
- Energy-saving and Reliable: Advanced hydraulic components and IE3/IE4 motors ensure operation.
- Long Service Life: The electrophoretic coating extends the service life of components.
- Condensate Management: Condensate can be discharged directionally in air conditioning and cooling systems.
- Stable Installation: The feet can be fixed, making installation easy and stable.
- Flexible Application: It can be used for main/backup or peak load operation (requiring external assistance).

- Standard IE3 motor.
- KTL coating on casting parts.
- Optional back pull-out design (starting from 37kW/4 poles).
- Condensate can be discharged directionally.
- Advanced hydraulic components.
- The impeller has various materials.
- Standard feet with threaded holes.
- High-efficiency components and motors achieve significant energy savings.
- The structure of cast iron parts is optimized to reduce weight.
- The production in European factories is sustainable and carbon-neutral.
A series-structured dry rotor double-head pump with flange connection.
Pumping heating water, cold water, and water-glycol mixtures (without abrasive substances) for heating, cold water, and cooling systems.
For example, Atmos GIGA - D 40/160 - 5.5/2. "D" represents a pipeline double-head pump. "40" is the nominal diameter DN of the pipeline interface. "160" is the nominal impeller diameter. "5.5" is the rated power P2 of the motor (kW). "2" is the number of poles.
- Fluid temperature: -20°C to +140°C, and the maximum ambient temperature is 40°C.
- Mechanical seal: It is suitable for different media under specific conditions, and there are recommended models for water-glycol mixtures.
- Power connection: 3~400V, 50Hz (other options can be provided upon request).
- Protection level: IP55.
- Nominal diameter: DN 32 to DN 200.
- Working pressure: 13 bar (up to +140°C) / 16 bar (up to +120°C) for the standard model.
- Pump casing and coupling bracket: The standard is EN - GJL - 250 (gray cast iron).
- Impeller: The standard is EN - GJL - 200, and special specifications include bronze CuSn 10 and stainless steel 1.4408.
- Shaft: 1.4122.
- Mechanical seal: AQEGG, and other mechanical seals can be provided upon request.

