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Davey 5250P Bare shaft twin stage firefighter pump
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01916

Davey 5250P Bare shaft twin stage firefighter pump

Twin stage bareshaft pump with 4-way outlet ideal for firefighting, irrigation, garden, or water transfer.
NZ $1,029.00
excl GST
Qty.

Rugged, economical, impeller centrifugal self priming pump designed to be direct coupled to an engine or electric motor, or belt driven.

Applications

  • Firefighting
  • Tank filling
  • Irrigation
  • Garden watering
  • Water transfer
  • Crop spraying

Key features

  • Patented clamped impeller design to enable longer impeller life, improved performance and easier disassembly in the case of blockage.
  • Thrust balanced impeller design to extend bearing life.
  • Pump casing, diffusers and impellers manufactured from quality corrosion resistant marine grade aluminium for long life.
  • 4 way discharge port for easy installation with a choice of plumbing sizes.
  • Epoxy coated pump casing, exterior and interior, for added corrosion resistance.
  • Patented floating impeller neckrings front and back. The front neckring helps improve pumping efficiency, the back neckring helps extend seal life and dramatically reduce bearing load.
  • Self priming from 8m for more versatile installation options.
  • Large priming and drain port with bayonet fit plugs. Plugs have safety retention system, plus are available with 1/4" tapping to accept pressure gauges or drain cocks.

Operating limits

  • Flow capacities: to 470 lpm
  • Max total head: 120m
  • Max suction lift: 7m
  • Max pump speed: 4250 rpm
  • Max water temperature: 50ºC
  • Min water temperature: 1ºC
  • Min suction pipe size: 1 ½ "
  • Suction pipe strainer: Required
  • Inlet size: 2"
  • Outlet sizes: 2 x 1" BSP(M)

Materials of construction

  • Suction cover: Marine grade aluminium (AS605)
  • Diffuser: Marine grade aluminium (AS605)
  • Impeller: Marine grade aluminium (AS605)
  • Casing / yoke: Marine grade aluminium (AS605)
  • Bearing housing: Marine grade aluminium (AS605)
  • Pump shaft: 303 Stainless steel
  • Mechanical seal: Carbon / ceramic
  • Discharge / handle: Marine grade aluminium (AS605)
  • Casing bolts: Zinc plated steel
  • Yoke bolts: Stainless steel
  • Flap valve / seal ring: Zinc body, hytrel seal
  • Neck ring, priming and drain plug: Glass filled nylon
  • Casing, priming and drain plug oring: Nitrile rubber
Click here for the complete specifications.


 

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Allflow specialises in providing innovative, high quality pumping equipment and vacuum tanker products for industrial requirements that will exceed expectations.

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Contact Information
Phone: 03 543 9057
0800 255 356
Email sales@allflow.co.nz
58 Gladstone Road
Richmond 7020
New Zealand