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Goulds Part #7GBS0512J4, 1/2HP, 3 Phase, 9 Stage, GB Series, Stainless Steel, Centrifugal Booster Pump with ODP Enclosure

SKU: 7GBS0512J4 Category: Tags: ,



  • Multi-stage Design: Provides steady, quiet, vibration free, operation.
  • Optional Stainless Steel Construction: Standard cast iron for general service or stainless for filtration applications.
  • O-ring Casing Seal: Reliable high pressure sealing with easy disassembly for maintenance or repair.
  • Impellers and Diffusers: Glass filled engineered composite material with floating impeller design. High resistance to corrosion and abrasion.
  • Bowls: 300 stainless steel rabbit lock for positive alignment with no gasket required.
  • Variable Capacity: Centrifugal pump design permits selection of flow within a range for each size.
  • Mechanical Seal: A variety of face materials and elastomers to match application needs.
  • Motors: Close coupled NEMA 56J motors in open drip proof or totally enclosed design. Single phase and three phase available. Ball bearings carry all radial and axial thrust loads. Designed for continuous operation.


Mfg. Number7GBS0512J4
Product TypeHigh pressure booster pump
ApplicationGeneral commercial/Filtration
Horsepower1/2 HP
Voltage230/460 volts
Speed3500 RPM
Frequency60 Hz
DesignHigh Pressure/Multi-stage
Best Efficiency Flow7 GPM
Suction Connection1″ NPT
Discharge Connection1″ NPT
RotationClockwise when viewed from motor end
Impeller MaterialGlass filled engineered composite material
Discharge Head MaterialStainless steel
Suction Housing MaterialStainless steel
Shaft SealCarbon, Sil-Carbide, Viton, 316SS
Max. Suction Pressure75 PSI
Max. Temperature160°F

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Additional information

Weight44 lbs