 
        Wilo-Economy MHI
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) Recommended services Maintenance Commissioning WiloCare
Design
Non self-priming multistage pump
Application
- Water supply and pressure boosting
- Irrigation
- Heating
- System industrial equipment: Cooling, washing, food, renewable energy, ship building
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)
Typekey
| Example: | MHI 205-1/E/3-400-50-2-IE3 | 
| MHI | Multistage horizontal high-pressure centrifugal pump | 
| 2 | Flow rate in m3/h | 
| 05 | Number of impellers | 
| 1 | Material1 = 1.4301 (AISI 304)2 = 1.4404 (AISI 316L) | 
| E | Gasket typeE = EPDMV = FKM (Viton) | 
| 3 | 1 = 1~ (alternating current)3 = 3~ (three-phase current) | 
| 400 | Connection voltage in V | 
| 50 | Frequency in Hz | 
| 2 | Number of poles | 
| IE3 | IE3 motor | 
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);identical motor: 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. intake pressure of 6 bar
- Protection class 1~: IPX4; 3~: IP54
- Nominal diameters of pipe connections: Rp 1, Rp 1 1/4 or Rp 1 1/2, 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)
- Mechanical sealEPDM version: B-carbon/silicon carbideFKM version: Silicon carbide/B-carbon
- Bearing tungsten carbide/aluminium oxide
- Pump base aluminium
Scope of delivery
- Pump
- Installation and operating instructions
Typekey
| Example: | MHI 205-1/E/3-400-50-2-IE3 | 
| MHI | Multistage horizontal high-pressure centrifugal pump | 
| 2 | Flow rate in m3/h | 
| 05 | Number of impellers | 
| 1 | Material1 = 1.4301 (AISI 304)2 = 1.4404 (AISI 316L) | 
| E | Gasket typeE = EPDMV = FKM (Viton) | 
| 3 | 1 = 1~ (alternating current)3 = 3~ (three-phase current) | 
| 400 | Connection voltage in V | 
| 50 | Frequency in Hz | 
| 2 | Number of poles | 
| IE3 | IE3 motor | 
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);identical motor: 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. intake pressure of 6 bar
- Protection class 1~: IPX4; 3~: IP54
- Nominal diameters of pipe connections: Rp 1, Rp 1 1/4 or Rp 1 1/2, 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)
- Mechanical sealEPDM version: B-carbon/silicon carbideFKM version: Silicon carbide/B-carbon
- Bearing tungsten carbide/aluminium oxide
- Pump base aluminium
Scope of delivery
- Pump
- Installation and operating instructions
