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Wilo-Multivert MVIS

Series description

Special features/product advantages

  • Glandless pump technology
  • Virtually noiseless operation (up to 20 dB [A] quieter than conventional pumps)
  • Space-saving, compact design
  • Virtually maintenance free thanks to a design which does not feature any mechanical seals
  • Drinking water approval for all components that come in contact with the fluid (EPDM version)

Design type

Non-self-priming multistage pump with glandless pump motor

Application

  • Water supply and pressure boosting systems

Equipment/function

  • Non self-priming vertical high-pressure multistage centrifugal pump of in-line design
  • Three-phase current motor in glandless pump version
  • Hydraulic connection with oval flanges PN 16

Scope of delivery

  • Wilo-Multivert MVIS high-pressure multistage centrifugal pump
  • Stainless steel counter flanges Rp 1 to Rp 1½ with the corresponding screws, nuts and gaskets
  • Installation and operating instructions

Type key

Example:

MVIS 402-1/16/K/3-400-50-2

MVIS

Multistage vertical high-pressure centrifugal pump in glandless pump technology

4

Flow rate in m3/h

02

Number of impellers

1

Material 1 = 1.4301 (AISI 304)

16

Rated pressure in bar

K

Seal type EPDM

3

3 = 3~ (three-phase AC)

400

Connection voltage in V

50

Frequency in Hz

2

Number of poles

Technical data

  • Mains connection 3~ 230 V (±10%), 50 Hz (Δ), 400 V (±10%), 50 Hz (Y)
  • Fluid temperature of -15 to +50 °C
  • Ambient temperature of -15 to +40 °C
  • Max. operating pressure 16 bar
  • Max. inlet pressure 10 bar
  • Protection class IP44
  • Nominal diameters of pipe connections Rp 1, Rp 1¼ or Rp 1½, depending on the version

Materials

  • Impellers made of 1.4301 (AISI304) stainless steel
  • Stage chambers made of 1.4301 (AISI304) stainless steel
  • Pump housing made of 1.4301 (AISI304) stainless steel
  • Shaft 1.4122 stainless steel
  • EPDM seal
  • Housing lower section made of 1.4301 (AISI304) stainless steel
  • Pressure shroud made of 1.4301 (AISI304) stainless steel
  • Pump support foot made of EN-GJL-250

Downloads

General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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General Overview 2018

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