Wilo-Economy MHI

Non-self-priming multistage pump

Water supply and pressure boostingCommerce and industryCooling water circulation systemsWashing and sprinkling systems

Example:	MHI 205N-1/E/3-400-50-2
MHI	Multistage horizontal high-pressure centrifugal pump
2	Volume flow in m3/h
05	Number of impellers
N	IE2 motor
1	Material  1 = 1.4301 (AISI 304)  2 = 1.4404 (AISI 316L)
E	Type of gasket  E = EPDM  V = FKM (Viton)
3	1 = 1~ (single-phase AC)  3 = 3~ (three-phase AC)
400	Connection voltage in V
50	Frequency in Hz
2	Number of poles

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 316L)Space-saving, compact designDrinking water approval (ACS, KTW, WRAS) for all components in contact with the fluid (EPDM version)

Mains connection 1~230 V (±10 %), 50 Hz or optionally 220 V (±10 %), 60 HzMains connection: 3~230 V (±10 %), 50 Hz (Δ) or optionally 265 V (±10 %), 60 Hz (Δ), 400 V (±10 %), 50 Hz (Y) or optionally 460 V (±10 %), 60 Hz (Y); efficiency class: IE2
same motor also: 3~220 V (±10 %), 60 Hz (Δ), 380 V (±10 %), 60 Hz (Y); efficiency class: IE1Fluid temperature of -15 to +110 °CMax. operating pressure 10 barMax. inlet pressure of 6 barProtection class 1~: IP X4; 3~: IP 54Nominal diameters of pipe connections: Rp 1, Rp 1 ¼ or Rp 1 ½, depending on type