Wilo-Helix

Vertical Multistage Pumps

Application:

  • Water Supply / Pressure Boosting
  • Condensate Return
  • Boiler Feed
  • Washing / Sprinkling
  • Process Engineering
  • Cooling Circuits

Max. Flow: 400 USGPM

Max. Head: 770 feet

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Features & Benefits

  • Cartridge seal design for easy serviceability
  • 3D Laser welded Impellers for improvedhydraulic efficiency
  • Integrated thrust bearings for reduced motorstress
  • Pump lifting lugs
  • Heavy duty pump base

Technical Data

  • NEMA Premium Efficiency Motors
  • Temp Range: -5°F to 250°F (-20°C to 121°C)
  • Electrical Connections: 3~208-230/460/575V
  • Flange Connection: 300-class ANSI
  • Pressure Range: 232 PSI or 363 PSI

Materials of Construction

  • 304 Stainless Steel Construction Certified toNSF/ANSI 61
  • Stainless Steel Volute, Impeller & Shaft
  • Tungsten Carbide/EPDM, or optional Viton®/FKM Mechanical Seal

Wilo-MVI

Multistage Pumps

Application:

  • Water Supply / Pressure Boosting
  • Condensate Return
  • Boiler Feed
  • Washing / Sprinkling
  • Process Engineering
  • Cooling Circuits

Max. Flow: 150 USGPM

Max. Head: 750 feet

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Features & Benefits

  • 304 Stainless steel construction on parts incontact with fluid
  • EPDM or Viton® mechanical seals
  • Heavy duty pump base
  • Both Oval and ANSI flanges available

Technical Data

  • Temp Range: -5°F to 250°F (-20°C to 121°C)
  • Electrical Connections: 1~115/230v3~230/460/575v
  • 1¼” 250# ANSI (not included) or 1” FNPTOval Flanges (included) Flange Connection
  • TEFC motors standard(ODP available on request)

Materials of Construction

  • Stainless Steel Volute, Impeller & Shaft
  • Carbon/tungsten Carbide, SiC/ Carbon,EPDM, Viton® Elastomers Mechanical Seal
  • Less than 0.25% Lead content