Product Overview: The Wilo-Stratos GIGA-D is a high-efficiency pipeline double-ended pump equipped with an EC motor and an electronic power adjustment device. It is suitable for liquid transportation in heating, air-conditioning and refrigeration systems, providing multiple operation modes and functions. It is delivered in the form of a water pump with installation and operation instructions, and there are various accessories available for selection.
Advantages and Features
- High Efficiency and Energy Saving: It is an innovative and highly efficient pump with high overall efficiency, using a high-efficiency EC motor (energy efficiency class IE5).
- Reliable Operation: The double-ended pump design, with a standby water pump, ensures high operational reliability.
- Intelligent Connection: Optional interfaces can be installed to connect to building automation.
Structure Type: It has a dry rotor pump structure, is a single-stage low-pressure centrifugal pump, with flange connection and mechanical seal, meeting relevant standards.
Application Range: It pumps heating water, chilled water and water-ethylene glycol mixtures, and is used in heating, chilled water and cooling systems (the medium contains no abrasive substances).
Equipment Functions
- Diverse Operation Modes: Including constant differential pressure (Δp - c), variable differential pressure (Δp - v), PID control, manual operation and other modes, and multiple parameters can be set.
- Rich External Control Functions: It has a variety of control input and analog input interfaces for remote adjustment and monitoring.
- Complete Reporting and Display Functions: It can centrally display fault and operation messages and support data exchange (such as infrared interface).
- Comprehensive Safety Functions: The motor has comprehensive protection and has multiple management and operation modes (such as main/backup operation, parallel operation, etc.).
Technical Data
- Temperature Range: -20°C to +140°C.
- Power Connection: Multiple voltages and frequencies are available for selection.
- Electromagnetic Compatibility: Meeting the relevant standards for residential and industrial areas.
- Protection Level: IP55.
- Nominal Diameter: DN 40 to DN 200.
- Maximum Working Pressure: 16 bar (at a maximum temperature of +120°C), 13 bar (at a maximum temperature of +140°C).
Materials
- Water Pump Casing and Coupling Bracket: EN - GJL - 250.
- Impeller: PPS - GF40 or EN - GJL - 200 (depending on the model).
- Shaft: 1.4122 or 1.4542 (depending on the model).
- Mechanical Seal: AQEGG (other types can be provided according to requirements).

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