Griswold Products

Reliable products that perform at the highest levels

For over 70 years, our history of experience shows our commitment to providing quality centrifugal pumps.

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Griswold® H Series Pumps Self-Priming Centrifugal Pumps

H Series pumps are a unique line of self-priming centrifugal pumps used for a variety of water applications. The H Series performs where other self-priming pumps can’t, and have been designed specifically to lift water up to 25 feet.

The H Series is available in two versions:

  • HL pumps: designed for lower flows
  • HH pumps: designed for higher flows
Max Flow Rate
  • 325 gpm (73.8 m³/hr)
Max Head
  • 260 ft (79 m)
Max Temperature
  • 100°F (37.8°C)
Available Materials
  • Iron
Max Pressure
  • 110 psi (7.6 bar)
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  • Built-in check valve
  • Maintain prime even when check valves or foot valves have failed
  • High suction line keeps impeller and mechanical seal covered with water, eliminating the need to reprime the pump, as well as protects the seal from running dry
  • Available with a variety of drives
  • Heavy-duty cast iron bronze fitted construction
  • Close-coupled JM Frame ODP or TEFC motors available
  • Options available for seal materials, frame-mount options, motors, and more

1NPT/Flanged Discharge Connection

2JM Frame ODP or TEFC Motors

3Standard Carbon/Ceramic/Buna Mechanical Seal

4Totally Enclosed, Single-Piece Design, Cast Bronze Impeller

53/4" NPT Accessory Connections

6Heavy-Duty Cast Iron Casing

7Flapper Type Check Valve

8Above Centerline Suction Connection

9NPT/Vitaulic Suction Flange

Griswold H Series Pump

Performance Coverage