G&L 45HB-70HB, High Pressure, Multi-Stage End Suction Centrifugal Booster Pumps, G&L Pumps G&L 45HB-70HB High Pressure Multi-Stage End Suction Centrifugal Booster Pumps


  • Multi-Stage Design: This configuration provides a steady, quiet and vibration-free operation for years of trouble-free service.

  • Impellers and Diffusers: Glass filled thermoplastic. Precision molded for high efficiencies.

  • Bowls: Constructed with 300 series stainless steel. Rabbet lock for positive alignment - no gaskets required.

  • Mechanical Seal: Carbon/ceramic faces. BUNA elastomers 300 series stainless steel metal parts.

  • Motor: Close-coupled design. Ball bearings carry all radial/axial thrust loads.

  • Designed for continuous operation. All ratings are within working limits of the motor.

  • Caution: This is a booster pump. It has no lift capability. DO NOT RUN DRY. DO NOT DEADHEAD.


Wide variety of industrial, commercial and agricultural uses, especially:

  • High rise buildings

  • Multiple dwelling buildings

  • Reverse osmosis systems

  • High pressure cleaning

  • Spraying systems

  • Booster service



  • Capacities: to 100 GPM

  • Heads: to 760 feet.

  • Pipe connections:
    Suction 2" NPT
    Discharge 2" NPT.

  • Temperature: 160oF (71ºC) maximum.

  • Inlet pressure: 100 PSI maximum.

  • Rotation: right hand, i.e., clockwise when viewed from motor end.


  • Open drip-proof or TEFC enclosure
    60 Hz, 3500 RPM.
    Threaded shaft extension.

  • Single phase:
    3 HP 115/208.230 V
    5 HP 208.230 V
    71.2 HP 208.230 V.

  • Three phase:
    3.10 HP 208.230/460 V.

G&L 45HB-70HB Technical Bulletin
G&L 45HB-70HB Instruction Manual