Goulds Pumps
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 following 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.
Cast Iron Stainless
HP
5GBC03
5GBS03
⁄
1
①
3
5GBC05
5GBS05
½
5GBC07
5GBS07
¾
5GBC10
5GBS10
1
7GBC05
7GBS05
½
7GBC07
7GBS07
¾
7GBC10
7GBS10
1
10GBC07 10GBS07
¾
10GBC10 10GBS10
1
10GBC15 10GBS15
1½
10GBC20 10GBS20
2
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.
Description
Phase
Voltage Enclosure
Stages
1
115-230
ODP
Residential and Commercial Water
Order No.
Cast Iron Stainless
7
18GBC07 18GBS07
9
18GBC10 18GBS10
14
18GBC15 18GBS15
17
18GBC20 18GBS20
9
18GBC30 18GBS30
13
25GBC07 25GBS07
16
25GBC10 25GBS10
8
25GBC15 25GBS15
10
25GBC20 25GBS20
15
25GBC30 25GBS30
17
33GBC10 33GBS10
33GBC15 33GBS15
33GBC20 33GBS20
33GBC30 33GBS30
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.
4
Description
HP
Phase
Voltage Enclosure
¾
1
1½
2
3
¾
1
1½
1
115-230*
ODP
2
3
1
1½
2
3
Stages
5
7
9
13
15
5
7
9
10
14
5
7
9
13