Wilo-Stratos GIGA B Building Heating And Cooling Pump With Optional Communication Interface
The Wilo Stratos GIGA B is a high-efficiency single-stage centrifugal pump. It is suitable for transporting large amounts of water in building heating, air-conditioning, and cooling systems. It features high energy efficiency and performance, can meet the requirements of different working conditions, and Wilo provides related services to support its operation and maintenance.

- High Energy Efficiency: It adopts an IE5 motor and electronic power adjustment, which complies with relevant standards, has significant energy-saving effects, and high overall efficiency.
- Easy Installation: It integrates pump support feet and optional support blocks, facilitating installation.
- Optional Communication: An optional interface can realize bus communication through plug-in IF - Modules. It can be connected to the building automation system and achieve wireless data exchange through the infrared interface.
- Outstanding Performance: With an innovative design, the main dimensions comply with the EN 733 standard. It can transport a large amount of water at high heads and is suitable for various application scenarios.
It is a high-efficiency monobloc pump. It adopts the glanded pump design, with an IE5 motor and electronic power adjustment. It is a single-stage low-pressure centrifugal pump with flange connection and mechanical seal.
It is used for pumping heating water (in accordance with VDI 2035), cold water, and water - glycol mixtures (without abrasive substances) in heating, cold water, and cooling systems.
For example, Wilo - Stratos GIGA B 40/1 - 51/4.5. "Stratos GIGA" represents a high-efficiency pump. "B" is the monobloc design. "40" is the nominal diameter of the flange connection (discharge side). "1 - 51" represents the lowest and highest selectable heads. "4.5" is the rated power P2 (kW). "-xx" represents version information (for example, -R1 is the version without a differential pressure sensor).
- Fluid Temperature Range: -20°C to +140°C. The mechanical seal has corresponding requirements under different temperature and medium conditions, and there are recommended models for water - glycol mixtures.
- Power Connection: A variety of voltage and frequency ranges meet the electromagnetic compatibility standard.
- Protection Level: IP55.
- Maximum Working Pressure: 16 bar (+120°C), 13 bar (+140°C).
- Pump Casing and Lantern: EN - GJL - 250.
- Impeller: PPS - GF40.
- Shaft: 1.4122.
- Mechanical Seal: AQEGG, and other seals can be provided upon request.
