Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate. Standard version with spacer coupling.

• The 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.

• Applications for irrigation, building services, general industry, power stations, etc.

Single-stage low-pressure centrifugal pump in end suction design with coupling, coupling guard, motor and baseplate

• Mechanical seal

• Typekey

  Example	Atmos GIGA-N 40/200-11/2
  Atmos	Product family
  GIGA	Series designation
  N	Standard pump with axial suction
  40	DN for the pressure flange
  200	Impeller nominal diameter [mm]
  11	Rated power P2 [kW]
  2	Number of poles

• Technical data

  • Permissible temperature range: -20 °C ... +140 °C

  • Mains connection 3~400 V, 50 Hz

  • Protection class IP55

  • Nominal diameter DN 32 ... DN 150

  • Max. operating pressure 16 bar

• Materials

  • Pump housing and lantern. Standard: EN-GJL-250

  • Impeller: Standard: EN-GJL-200; others on request

  • Shaft: 1.4021

  • Mechanical seal: AQEGG; other mechanical seals on request

• Construction

  • Single-stage low-pressure centrifugal pump as baseplate pump with axial suction ports with flanged bearing brackets and axle fastening for flexibly coupled drives

  • Spacer coupling (sleeve coupling) is standard; this provides the option of leaving the motor in position when dismantling the rotor unit

  • Variant ...-P5 without spacer coupling (at reduced price, see price list)

• Scope of delivery

  • Pump

  • Installation and operating instructions

  • Bare shaft pump or

  • Pump on baseplate with coupling and coupling guard, without motor or

  • Completely mounted pump on baseplate with electric motor

• Options

  • Variant ...-P5 without spacer coupling (at reduced price)

  • Other materials and versions on request

  • Other voltages and frequencies available on request.

• Accessories

  Automatic speed control:

  for automatic, infinitely variable pump power control. Please contact Wilo for more information on “Switchgears and control devices".