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PRESSURE PUMPS

WILO ECONOMY MHI


Design:
Non-self-priming multistage pump.

Application:
  • Water supply and pressure boosting
  • Commerce and industry
  • Cooling water circulation systems
  • Washing and sprinkling systems

Special features/product advantages:
  • IE2-IEC three-phase AC motor (≥ 0.75 kW)
  • All parts that come in contact with the fluid are made of stainless steel 1.4301 (AISI 304) or 1.4404 (AISI 316 L)
  • Compact design
  • All relevant components are KTW and WRAS certified

Technical data:
  • Mains connection 1~230 V (±10 %), 50 Hz or optionally 220 V (±10 %), 60 Hz
  • Mains connection 3~230 V (±10 %), 50 Hz (Δ) or optionally 220 V (±10 %), 60 Hz (Δ), 400 V (±10 %), 50 Hz (Y) or optionally 380 V (±10 %), 60 Hz (Y)
  • Fluid temperature of -15 to +110 °C
  • Max. operating pressure of 10 bar
  • Max. inlet pressure of 6 bar
  • Protection class 1~: IP X4; 3~: IP 54
  • Nominal diameters of pipe connections: Rp 1, Rp 1 ¼ or Rp 1 ½, depending on type

Equipment/function:
  • Stainless steel pump in monobloc design
  • Threaded connection
  • Single-phase or three-phase motor
  • Single-phase AC motor with integrated thermal motor protection

Materials:
  • Impellers, stage chambers and pump housing stainless steel 1.4301/1.4404
  • Shaft stainless steel 1.4404
  • Gasket EPDM (EP 851)/FKM (Viton)
  • Mechanical seal B-carbon/tungsten carbide
  • Bearing tungsten carbide
  • Pump base aluminium
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