Features/Product Advantages
Canned motor pump technology
Virtually silent operation (up to 20 dB[A] quieter than conventional pumps)
Space-saving, compact design
Design eliminates the need for mechanical seals, making the unit virtually maintenance-free
All parts in contact with the fluid are approved for drinking water applications
Design
Non-self-priming multistage pump with canned motor
Applications
Water supply and pressure boosting systems
Equipment/Functions
Vertical, high-pressure, multistage centrifugal pump (non-self-priming) in an in-line design. Canned motor design (three-phase AC motor)
Hydraulic connection via oval flanges (PN 16)
Model code
|
Example: |
MVIS 402-1/16/K/3-400-50-2 |
|
MVIS |
Vertical multistage high-pressure centrifugal pump utilizing canned pump technology |
|
4 |
Conveying flow rate, unit: m³/h |
|
02 |
Number of impellers |
|
1 |
Material 1 = 1.4301 (AISI 304) |
|
16 |
Rated pressure, unit: bar |
|
K |
Seal type: EPDM |
|
3 |
3 = 3~ (three-phase AC) |
|
400 |
Connection voltage, unit: V |
|
50 |
Frequency, unit: Hz |
|
2 |
Number of poles |
Technical data
Power connection: 3~ 230 V (±10%), 50 Hz (Δ); 400 V (±10%), 50 Hz (Y)
Fluid temperature: -15 °C to +50 °C
Ambient temperature: -15 °C to +40 °C
Max. operating pressure: 16 bar
Max. inlet pressure: 10 bar
Protection class: IP44
Nominal pipe connection diameter: Rp 1, Rp 1¼, or Rp 1½ (depending on model)
Materials
Impeller: Stainless steel 1.4301 (AISI 304)
Stage chamber: Stainless steel 1.4301 (AISI 304)
Pump housing: Stainless steel 1.4301 (AISI 304)
Shaft: Stainless steel 1.4122
Seals: EPDM
Lower housing section: Stainless steel 1.4301 (AISI 304)
Pressure shroud: Stainless steel 1.4301 (AISI 304)
Pump foot EN-GJL-250
As-supplied condition
Wilo-Multivert MVIS high-pressure multistage centrifugal pump
Stainless steel oval counter-flanges (Rp 1 to Rp 1½) with corresponding screws, nuts, and gaskets
Installation and operating instructions