Vertical multistage

Extremely noiseless and reliable the vertical centrifugal multistage electric pumps of the series STIV have been designed to pump clean
liquids, without abrasives and suspended solids, non-explosive or aggressive for the pump’s materials.

  • Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 90 °C for other use, while the ambient temperature must not be higher than 40 °C
  • Maximum working pressure is 16 bar
  • Flow rate up to ~ 14 m3/h
  • Heads up to ~ 160 m.


  • Suction flange: Cast iron G20 with anti-corrosive coating
  • Outlet bracket: Cast iron G20 with anti-corrosive coating
  • Cover: Stainless steel AISI 304
  • Diffusers: Stainless steel AISI 304
  • Impellers: Stainless steel AISI 304
  • Pump shaft: Stainless steel AISI 304
  • Mechanical seal: Carbon-ceramics

The control motors are asynchronous, squirrel cage-type, closed, with external ventilation.

  • Incorporated motor protection and capacitor always on, for single-phase models
  • The motor protection for three-phase models must be installed by the customer. Equipment compliant with current standards should be used
  • Class of insulation F
  • Service S1
  • Degree of protection IP 44
  • Terminal board protection IP 54