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Help CenterWilo-Atmos GIGA-I Low-Pressure Single-Stage Centrifugal Pump
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The Wilo-Atmos GIGA-I offers a wide range of components and materials for a variety of applications, mainly in the field of building services and in industrial environments. It can pump different fluids at temperatures from -20 °C to +140 °C making it particularly suitable for air conditioning and cooling applications. Any condensate that forms can be selectively discharged via an outlet.
Equipped with state-of-the-art pump hydraulics and IE3/IE4 motors, the pump is as reliable as it is energy-efficient.
The cast components with corrosion-resistant cataphoretic coating also ensure a long service life.
DesignGlanded pump in in-line design with flange connection
ApplicationThe pumping of heating water (in accordance with VDI 2035), chilled water and water-glycol mixtures without abrasive substances in heating, chilled water and cooling systems.
Typekey| Example | Atmos GIGA-I 40/160-5,5/2 |
| I | In-line pump |
| 40 | Nominal diameter DN of the pipe connection |
| 160 | Nominal impeller diameter |
| 5.5 | Rated power P2 in KW |
| 2 | Number of poles |
· Permitted temperature range of the fluid: -20 °C to +140 °C
· Max. ambient temperature 40 °C
· Mechanical seal for pumping water up to Tmax = +140 °C. Up to T ≤ +40 °C, a glycol admixture of 20 % to 40 % by volume is permissible. An alternative mechanical seal must be provided for water-glycol mixtures with a glycol content of > 40% to max. 50% by volume and a fluid temperature of > +40 °C to max. +120 °C or other fluids that differ from water. When using water-glycol mixtures, the use of an S1 variant with a corresponding mechanical seal is generally recommended.
· Mains connection 3~400 V, 50 Hz (others on request)
· IP rating IP55
· Nominal diameter DN 32 to DN 250
· Standard version for operating pressure: 13 bar (up to +140 °C) / 16 bar (up to +120 °C)
Materials· Pump housing and lantern: Standard: EN-GJL-250;
· Impeller: Standard: EN-GJL-200; special version: Bronze CuSn 10 stainless steel 1.4408
· Shaft: 1.4122
· Mechanical seal: AQEGG; other mechanical seals on request
ConstructionSingle-stage, low-pressure centrifugal pump in in-line design with
· Mechanical seal
· Flange connection with pressure measuring connection R 1/8
· Lantern
· Coupling
· IEC standard motor
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