Wilo Economy MHI

Non-self priming horizontal multistage transfer pumps.

Your advantages
IE3 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 design
Drinking water approval (ACS, KTW, WRAS) for all components in contact with the fluid (EPDM version)

Construction
Non self-priming multistage pump

Application
Water supply and pressure boosting
Irrigation
Heating
In industrial systems (foodstuff industry, renewable energies, shipbuilding): Cooling and washing system

Equipment/function
Stainless steel in monobloc design
Threaded connection
Single-phase or three-phase AC motor
Single-phase AC motor equipped with built-in thermal motor protection (with automatic restart)

Scope of delivery
Pump
Installation and operating instructions

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 265 V (±10 %), 60 Hz (Δ), 400 V (±10 %), 50 Hz (Y) or optionally 460 V (±10 %), 60 Hz (Y); same motor also: 3~220 V (±10 %), 60 Hz (Δ), 380 V (±10 %), 60 Hz (Y);
Fluid temperature of -15 to +110 °C
Max. operating pressure 10 bar
Max. inlet pressure of 6 bar
Protection class 1~: IPX4; 3~: IP54
Nominal diameters of pipe connections: Rp 1, Rp 1 ¼ or Rp 1 ½, depending on type

Materials
Impellers, stage chambers and pump housing made of 1.4301/1.4404 stainless steel
Shaft 1.43.01 or 1.4404 stainless steel
Seal EPDM (EP 851) / FKM (Viton)
EPDM version of mechanical seal: B carbon/silicon carbide, FKM version: Silicon carbide/B-carbon
Bearing tungsten carbide/aluminium oxide
Pump support foot aluminium