Wilo-Multivert MVI
Installation and Operating Instructions  »

Multiple stage inline, flanged, mechanical sealed high pressure dry rotor pump

  • Water supply and pressure boosting
  • Fire-fighting systems
  • Boiler feed & condensate return
  • Industrial circulation systems
  • Washing and irrigation systems
Special features/Product advantages
  • All parts in contact with fluid 304 SS (stainless steel 1.4301)
  • 316 SS optional
  • Standard Baldor motors (pump has extra thrust bearing)
Wilo-Multivert MVI
Technical data

  • Fluid temperature +60 °F to +250 °F (+15 °C to +120 °C)
  • Power supply (smaller horsepower): 1~115/208-230 volt, 60 Hz
  • Power supply (larger horsepower): 3~208-230/460, 575 volt, 60 Hz
  • Motor options: ODP, TEFC, Premium and "Super E" efficiency types
  • Operating pressure 230 or 300 PSI (16/25 bar)
  • Maximum inlet pressure 150 PSI (10 bar)
  • Oval flanges for 230 PSI version (16 bar) 1", 1 ¼", 1 ½" NPT (depending on model)
  • Round flanges for 300 PSI version (25 bar) 1 ¼" and 2" NPT (depending on model)
Equipment
  • Inline stainless steel pump
  • Coupled to motor via solid coupling
  • Standard NEMA frame Baldor motor
Materials
  • Impellers and stage chambers 304 SS (stainless steel 1.4301/1.4404)
  • Pump housing 304 SS (stainless steel 1.4301)
  • Shaft depending on type, 304 SS (stainless steel 1.4301)
  • Seal elastomers EPDM (EP 851), Viton optional
  • Housing cover 304 SS (stainless steel 1.4301)
  • Lower part of housing 304 SS (stainless steel 1.4301)
  • Mechanical seal B - carbon/tungsten carbide, SiC/carbon
  • Pressure jacket 304 SS (stainless steel 1.4301)
  • Bearing tungsten carbide
  • Pump foot cast iron (EN-GJL-250)
Scope of delivery
  • Pump and motor (optionally pump end only)
  • Oval companion flanges 1", 1 ¼" and 1 ½" (only for 230 PSI version)
  • Installation and operating instructions
Wilo-Multivert MVI
Wilo-Multivert MVI
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Wilo-MVI 10, 15, 30, 50, 80  »
Extract from Catalogue - Wilo-Multivert MVI B3  »
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The following documentation is available for your information:

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WILO MVI Product Brochure (133 KB) »