PDF: Wilo-Zetos K 8

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DIN A4

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Special features/product advantages
  • High pump efficiency of up to 84.5 %
  • A previously unequalled total efficiency of more than 75 % in this class with permanent magnet rotor
  • Particularly corrosion-resistant thanks to hydraulics comprised entirely of cast stainless steel in 1.4408 (AISI 316)
  • High wear resistance: max. sand content of 150 g/m³
  • ACS approved for domestic water applications
  • Easy maintenance, simple to dismantle system

Design

Multistage 8" stainless steel cast submersible pump in sectional construction for vertical and horizontal installation

Application

  • Process water and water supply from boreholes and rainwater storage tanks in communal and industrial applications
  • Pumping drinking water with ACS approval
  • Pumping water for sprinkling and irrigation
  • Ground water lowering
  • Pressure boosting
  • Pumping water in offshore areas and in fire extinguishing systems
  • Utilisation in geothermal and thermal applications
  • Water control in mines and mining applications

Technical data

Hydraulics:

  • Max. volume flow: 200 m³/h
  • Max. delivery head: 620 m
  • Max. fluid temperature: 70 °C
  • Max. sand content: 150 g/m³
  • Pressure connection: G 5/PN 63

Motor:

  • Mains connection: 3~400 V, 50 Hz ±10 %
  • Max. fluid temperature: 30 °C at 0.16 or 0.5 m/s minimum flow at the motor; 20 °C at 0.1 m/s minimum flow at the motor; higher temperatures on request
  • Immersed operating mode: S1
  • Max. number of starts: NU 5... / NU 6… / NU 7… = 20/h; NU 8.. = 10/h
  • Max. immersion depth: NU 5… NU 7… = 350 m; NU 611, NU 811 = 100 m; NU 801 = 300 m
  • Protection class: IP 68
  • Control range for frequency converter: NU 5... / NU 611 / NU 7… / NU 811 = 30-50 Hz; NU 801 = 25-50 Hz


Type key

Example:Wilo-Zetos K8.130-17 + NU 701-2/130
Hydraulics:K8.130-17
KSeries
8Diameter of the hydraulic unit in inches ["]
130Volume flow in the best point at 50 Hz in m³/h
17Number of hydraulic stages
  
Motor:NU 701-2/130
NUSubmersible motor
701Size (5…, 6... = 6"; 7…, 8… = 8")
2Number of poles
130Nominal motor power in kW


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