Single-stage centrifugal pump in accordance with EN 733, bare shaft version.
Hydraulics with axial suction port and radial discharge port, support foot and flanged bearing bracket.
Shaft sealing via bidirectional bellows mechanical seal up to max. 140 °C. Grey cast iron housing, stainless steel shaft, grey cast iron impeller. Cataphoretic coating as standard for all cast iron components in contact with fluid.
Impeller variants (for an additional charge):
• Bronze
• Stainless steel
Materials
Pump housing: 5.1301, EN-GJL-250 cataphoretic-coated
Impeller: EN-GJL-200
Lantern: 5.1301/EN-GJL-250
Shaft: 1.4021
Shaft seal: AQ1EGG
Operating Data
Fluid media: Water 100 %
Fluid temperature: 20.00 °C
Fluid concentration: 100.00 %
Requested flow:
Requested head:
Min. fluid temperature: -20 °C
Max. fluid temperature: 140 °C
Maximum operating pressure: 16 bar
Max. ambient temperature: 40 °C
Minimum efficiency index (MEI):
Motor data
Mains connection: V/
Voltage tolerance:
Motor efficiency class:
Rated power:
Rated speed:
Rated current:
Power factor:
Motor efficiency 50%:
Motor efficiency 75%:
Motor efficiency 100%:
Protection class:
Insulation class:
Installation dimensions
Pipe connection on the suction side: DN 65, PN 16
Pipe connection on the discharge side: DN 40, PN 16
Ordering information
Brand: Wilo
Net weight, approx.:
Product description: Atmos GIGA-N 40/315-B-IE4
Article number: On request








