- Nominal bore: Rp 1 до Rp 1 1/2
- Flow rate: up to 14 m³/h
- Head: up to 110 m
- Temperature: from -10 °С to +50 °С
- Process pressure: max. 16 bar
Low level of noise (20 dB [A] lower than of common pumps)
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Construction: |
- Vertical multistage centrifugal in-line pump made of stainless steel;
- Maintenance-free wet rotor pump;
- The most noiseless booster pump (noise level is about 40 dB (А);
- Three-phase motors (DM);
- Pump construction material: 1.4301 stainless steel;
- Oval contra-flanges are also supplied.
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Wilo-Multivert MVIS Specification and Advantages:
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- Low level of noise (20 dB [A] lower than of common pumps) / scale of noise comparison;
- All pump parts contacting with pumped liquid are resistant to corrosion;
- Wet rotor construction;
- All main pump parts are approved by KTW and WRAS.
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Main Technical Characteristics:
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- Power connection: 3~230 V/50 Hz (D), 220 V/60 Hz (D), 400 V/50 Hz (Y) or 380 V/60 Hz (Y);
- Temperature of pumped liquid ranging from -15 to +50° C;
- Process pressure is 16 bar;
- Head in pressure inlet line is 6 bar;
- Protection type: IP 44;
- Nominal external nozzle diameter depending on type: Rp 1, Rp 1 1/4 or Rp 1 1/2.
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Type’s Code |
Construction materials: |
Example: MVIS 402-1/16/E/3-400-50-2
- MVIS - Multistage vertical high-pressure centrifugal pump in glandless pump technology
- 4 - Volume flow in m3/h
- 02 - Number of impellers
- 1 - Material (AISI 304)
- 16 - Nominal pressure in bar
- K - Seal type EPDM
- 3 - 3 = 3~ (three-phase current)
- 400 - Connection voltage in V
- 50 - Frequency in Hz
- 2 - Number of poles
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- Impeller is made of 1.4301 stainless steel;
- Blades are made of 1.4301 stainless steel;
- Pump housing is made of 1.4301 stainless steel;
- Shaft is made of 1. 4122 stainless steel;
- Mechanical seal is made of EPDM (EP 851);
- Lower shaft part is made of 1.4301 stainless steel;
- Forcing casing is made of 1.4301 stainless steel;
- Graphite bearings permeated by synthetic resin;
- Pump-foot is made of EN-GJL-250.
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Operational Characteristics |

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