Aquatech Dewatering Company

- Model HL5MS - Automatic Self-Priming Centrifugal Pump



The Godwin Dri-Prime 6' x 4' (150mm x 100mm) HL5MS automatic priming centrifugal pump is a compact, high pressure pump perfectly suited for temporary pumping under discharge pressure conditions or high discharge lifts. Capable of generating maximum flows of 1000 gallons per minute (63 l/sec.) and discharge heads to 455 feet (138.7M) or 195 psi (13.4 BAR), the HL5MS is used in temporary fire service, quarry and mine dewatering, and as a temporary replacement for permanently installed transfer pumps. Like all Godwin Dri-Prime pumps, the HL5MS can prime and reprime automatically from dry to 28 feet (8.5M) of suction lift.

  • Fully automatic priming from dry to 28 feet (8.5M) of suction lift. Maximum heads to 455 feet (138.7M), maximum flows to 1000 gpm (63 l/sec.).
  • Pumpend available in cast iron, stainless steel and other hardened materials.
  • Extensive application flexibility — will handle sludge with solids up to 1-3/8' (35mm) in diameter.
  • Continuously operated “Godwin” venturi air ejector priming device featuring direct drive air compressor requiring no form of periodic adjustment or control.
  • Dry running, oil-lubricated, mechanical seal with abrasion resistant silicon carbide interfaces.
  • Solids handling swing-type Non Return valve with renewable flexible rubber seat.
  • Compact unit mounted on a heavy-duty skid base or twin axle highway trailer both incorporating integral overnight running fuel tank and lifting frame.
  • Simple maintenance — normally limited to checking engine and seal cavity oil levels.
  • Standard John Deere 6068T or Caterpillar 3056TA engine. Also available with other diesel engines or electric drive motor.
  • Low-profile side discharge for easy pipe connection.


  • Maximum Operating Speed: 2400 rpm
  • Maximum Operating Temperature: +212°F (100°C)
  • Maximum Working Pressure: 197 psi (13.6 BAR)
  • Maximum Suction Pressure: 88 psi (6.1 BAR)
  • Maximum Casing Pressure: 296 psi (20.4 BAR)
  • Fuel Tank Capacity: 105 to 175 gallons (397 to 662 liters)
  • Fuel Consumption: John Deere 6068T: 7.8 gph (29.5 lph), Caterpillar 3056TA: 8.1 gph (30.7 lph)
  • Pipe Connections: Suction: 6' (150mm) ASA 150
  • Discharge: 4' (100mm) ASA 150
  • Solids Handling: 1-3/8' (35mm) diameter

  • Pump Casing, Separation Tank and Non Return Casing: Close-Grained Cast Iron
  • Impeller: Cast Chromium Steel
  • Shaft: 1-1/2% Nickel/Chromium Steel
  • Wearplates: Close Grained Cast Iron (optional 26% Chrome/Iron available)
  • Non Return Valve Flapper: High Nitrile Rubber
  • Mechanical Seal Faces: Solid Silicon Carbide

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