Wilo-Multivert MVIS

Special features/product advantages

  • Pre‐selectable speed adjustment
  • Wet rotor, low noise, maintenance free

Series description

Design

Non‐self priming seal‐less vertical multistage booster

Application

Water supply and pressure boosting applications

Technical data

  • Fluid temperatures
    • Max. +122 °F (+50 °C) continuous operation (min +14 °F)
    • Max. +140 °F (+40 °C) intermittent operation (min +14 °F)
  • Power supply 208‐230/3/60, 460/3/60 & 575/3/60 volt
  • NEMA class 2
  • Max operating pressure 235 PSI
  • Max. inlet pressure 85 PSI
  • Ambient temperature range
    • Min. +32 °F (0 °C)
    • Max. +104 °F (+40 °C)
  • Protection class NEMA class 2
  • Flange type: 2 bolt high pressure (1”, 1 ¼” & 1 ½”)

Equipment/function

  • In‐line Stainless Steel construction
  • Low noise (up to 20 dB (A) quieter than conventional pumps)
  • All parts that have contact with the fluid are corrosion‐resistant
  • Glandless pump technology
  • Power on light (single and three phase) and reverse rotation light (three phase only)
  • Thermal overload sensor built in
  • Cast alunimum terminal box with threaded NPT electrical opens on both sides

Materials

  • Impellers, interstage chambers, volute: stainless steel 1.4301
  • Pressure sleeve: stainless steel 1.4301
  • Shaft: stainless steel: 1.4122
  • Pump elastomers: EPDM
  • Bearing: carbon (synthetic resin impregnated)
  • Pump base: cast iron
  • Pump gaskets: EPDM

Scope of delivery

  • Pump
  • Flanges, gaskets and bolts (nuts not reqired)
  • Installation and operating instructions

Downloads

Wilo-MVIS

Article Number 2065408
Edition 0903
Version number 01
Page format US Letter
Number of pages 23

PDF (1 MB)

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