Goulds GB Series High Pressure Multi-Stage Booster Pumps - 5GB, 7GB, 10GB, 18GB, 25GB
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Goulds Water Technology is one of the industry leaders when it comes to booster pumps. With multiple options available depending on your needs Goulds is the world's leading brand in residential and commercial water products since 1848. Dade Pump & Supply DBA De Ruiter Electric Motor Company is a direct and authorized distributor, repair and warranty center for Goulds products. The GB Series offers many variations in flow rate, pressure, horsepower and internal components. Please contact a Dade Pump representative today for assistance in selecting the correct pump and motor for your needs.

5GB Series Specifications:
- Maximum Flow: 8 GPM
- Minimum Flow: 1 GPM
- Heads: to 600 ft. (260 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 5GBC05 - 1/2 HP, Single Phase, 115/230V, 5 GPM - See Full Specifications on DadePump.com
7GB Series Specifications:
- Maximum Flow: 10 GPM
- Minimum Flow: 1 GPM
- Heads: to 500 ft. (216 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 7GBC05 - 1/2 HP, Single Phase 115/230V, 7 GPM - See Full Specifications on DadePump.com
Goulds 7GBS10 - 1 HP, Single Phase, 115/230V, 7 GPM, Stainless Steel - See Full Specifications on DadePump.com
10GB Series Specifications:
- Maximum Flow: 16 GPM
- Minimum Flow: 3 GPM
- Heads: to 560 ft. (242 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 10GBS10 - 1 HP, Single Phase, 115/230V, 10 GPM, Stainless Steel - See Full Specifications on DadePump.com
Goulds 10GBC15 - 1.5 HP, Single Phase, 115/230V, 10 GPM - See Full Specifications on DadePump.com
18GB Series Specifications:
- Maximum Flow: 28 GPM
- Minimum Flow: 6 GPM
- Heads: to 470 ft. (203 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 18GBS20 - 2 HP, Single Phase, 115/230V, 18 GPM, Stainless Steel - See Full Specifications on DadePump.com
25GB Series Specifications:
- Maximum Flow: 33 GPM
- Minimum Flow: 8 GPM
- Heads: to 430 ft. (186 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 25GBC20 - 2 HP, Single Phase, 115/230V, 25 GPM - See Full Specifications on DadePump.com
Goulds 25GBS10 - 1 HP, Single Phase, 115/230V, 10 GPM, Stainless Steel - See Full Specifications on DadePump.com
33GB Series Specifications:
- Maximum Flow: 43 GPM
- Minimum Flow: 10 GPM
- Heads: to 575 ft. (249 PSI)
- Pipe Connections: 1" NPT Suction and Discharge
Popular Models:
Goulds 33GBC15 - 1.5 HP, Single Phase, 115/230V, 33 GPM - See Full Specifications on DadePump.com
Goulds 33GBC3012N0 - 3 HP, Three Phase, 230/460V, 33 GPM - See Full Specifications on DadePump.com
GB Series Pump Numbering System:
As mentioned above - Goulds will make almost any variation of their GB Series Pumps. Please see below for the nomenclature explanation. If you need assistance selecting the correct pump and motor please reach out to Dade Pump today!

Series Features:
- 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.
Applications:
- Residential, commercial or agricultural pressure wash
- Reverse osmosis
- Evaporative cooling systems/misters
- Booster Service
- Spray systems
- Water Circulation
- Filtration
- HVAC
- General Purpose pumping
Contact Information:
Dade Pump / De Ruiter Electric Motor Contact Information:
Please visit our FAQs and Policy Page for more information.
Corporate Address: 14261 S Dixie Hwy Miami, FL 33176
Phone: 305-235-5000
Email: sales@dadepump.com
