Wilo-Multivert MVIS
Installation and Operating Instructions  »

Non-self priming seal-less vertical multistage booster

Water supply and pressure boosting applications
Special features/Product advantages
  • Pre-selectable speed adjustment
  • Wet rotor, low noise, maintenance free
Wilo-Multivert MVIS
Technical data

  • Fluid temperaturesMax. +122 °F (+50 °C) continuous operation (min +14 °F)Max. +140 °F (+40 °C) intermittent operation (min +14 °F)
    • 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 rangeMin. +32 °F (0 °C)Max. +104 °F (+40 °C)
    • 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
  • 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
Wilo-Multivert MVIS
Wilo-Multivert MVIS
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Wilo-MVIS  »
Extract from Catalogue - Wilo-Multivert MVIS B3  »
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WILO MVIS Product Brochure (189 KB) »