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Residential and Commercial Water
Goulds Water Technology
GB NUMBERING SYSTEM
The various versions of the Series GB are identified by a product code number on the pump label. This number is also
the catalog number for the pump. The meaning of each digit in the product code number is shown below. The follow-
ing are the standard 60 Hz product numbers and are built with Single Phase ODP motors and standard staging. The cast
iron version uses Seal Code 0 and the stainless version uses Seal Code 4.
Order No.
Description
Cast Iron Stainless HP
Phase Voltage Enclosure Stages
5GBC03
5GBS03
1
⁄
3
①
7
5GBC05
5GBS05
½
9
5GBC07
5GBS07
¾
14
5GBC10
5GBS10
1
17
7GBC05
7GBS05
½
9
7GBC07
7GBS07
¾
1
115-230
ODP
13
7GBC10
7GBS10
1
16
10GBC07 10GBS07
¾
8
10GBC10 10GBS10
1
10
10GBC15 10GBS15 1½
15
10GBC20 10GBS20
2
17
Order No.
Description
Cast Iron Stainless HP
Phase Voltage Enclosure Stages
18GBC07 18GBS07 ¾
5
18GBC10 18GBS10
1
7
18GBC15 18GBS15 1½
9
18GBC20 18GBS20
2
13
18GBC30 18GBS30
3
15
25GBC07 25GBS07 ¾
5
25GBC10 25GBS10
1
7
25GBC15 25GBS15 1½
1
115-230*
ODP
9
25GBC20 25GBS20
2
10
25GBC30 25GBS30
3
14
33GBC10 33GBS10
1
5
33GBC15 33GBS15 1½
7
33GBC20 33GBS20
2
9
33GBC30 33GBS30
3
13
①
Unit is supplied with ½ HP motor.
* All 3 HP motors are 230V only.
5GB SPECIFICATIONS
• Maximum Flow: 8 GPM
• Minimum Flow: 1 GPM
• Heads: to 600 ft. (260 PSI)
• Pipe Connections: 1" NPT Suction and Discharge
7GB SPECIFICATIONS
• Maximum Flow: 10 GPM
• Minimum Flow: 1 GPM
• Heads: to 500 ft. (216 PSI)
• Pipe Connections: 1" NPT Suction and Discharge
10GB SPECIFICATIONS
• Maximum Flow: 16 GPM
• Minimum Flow: 3 GPM
• Heads: to 560 ft. (242 PSI)
• Pipe Connections: 1" NPT Suction and Discharge
18GB SPECIFICATIONS
• Maximum Flow: 28 GPM
• Minimum Flow: 6 GPM
• Heads: to 470 ft. (203 PSI)
• Pipe Connections: 1" NPT Suction and Discharge
25GB SPECIFICATIONS
• Maximum Flow: 33 GPM
• Minimum Flow: 8 GPM
• Heads: to 430 ft. (186 PSI)
• Pipe Connections: 1" NPT Suction and Discharge
33GB SPECIFICATIONS
• Maximum Flow: 33 GPM
• Minimum Flow: 10 GPM
• Heads: to 575 ft. (249 PSI)
• Pipe Connections: 1" NPT Suction and Discharge