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Goulds 7GB Technical Manual

Goulds 7GB Technical Manual

High pressure multi-stage booster pump

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TECHNICAL BROCHURE
B5-33GB
5GB, 7GB, 10GB,
18GB, 25GB, 33GB
HIGH PRESSURE MULTI-STAGE BOOSTER PUMP

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Summarization of Contents

Product Features
Multi-stage Design
Provides steady, quiet, vibration-free operation.
O-Ring Casing Seal
High pressure sealing with easy disassembly for maintenance or repair.
Impellers and Diffusers
Glass filled engineered composite material, high resistance to corrosion and abrasion.
Variable Capacity Design
Centrifugal pump design permits flow selection within a range for each size.
Mechanical Seal
Variety of face materials and elastomers to match application needs.
Motors
Close coupled NEMA 56J motors, open drip proof or totally enclosed design.
Performance Curves
Performance Coverage 60 Hz, 3500 RPM
Shows pump performance at 60 Hz and 3500 RPM across various models and stages.
Performance Coverage 50 Hz, 2900 RPM
Shows pump performance at 50 Hz and 2900 RPM across various models and stages.
GB Numbering System
5GB Model Specifications
Details flow, head, and pipe connections for the 5GB model.
7GB Model Specifications
Details flow, head, and pipe connections for the 7GB model.
10GB Model Specifications
Details flow, head, and pipe connections for the 10GB model.
18GB Model Specifications
Details flow, head, and pipe connections for the 18GB model.
25GB Model Specifications
Details flow, head, and pipe connections for the 25GB model.
33GB Model Specifications
Details flow, head, and pipe connections for the 33GB model.
GB Numbering System Components
Mechanical Seal and O-Ring Options
Details available mechanical seal and O-ring configurations for pump customization.
Number of Stages
Explains the coding for the number of stages in pump models.
Driver and HP Rating
Details driver types, Hertz, RPM, and horsepower rating codes.
Material and Pump Model Codes
Explains codes for housing materials and pump model identification.
Pump Dimensions and Weights
60 Hz Pump Dimensions and Weights
Details dimensions (L1, L2, L3) and maximum weights for 60 Hz pumps by size and stage.
50 Hz Pump Dimensions and Weights
Details dimensions (L1, L2, L3) and maximum weights for 50 Hz pumps by size and stage.
5GB Performance Curves
5GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 5GB stages at 60 Hz, 3500 RPM.
5GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 5GB stages at 50 Hz, 2900 RPM.
7GB Performance Curves
7GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 7GB stages at 60 Hz, 3500 RPM.
7GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 7GB stages at 50 Hz, 2900 RPM.
10GB Performance Curves
10GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 10GB stages at 60 Hz, 3500 RPM.
10GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 10GB stages at 50 Hz, 2900 RPM.
18GB Performance Curves
18GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 18GB stages at 60 Hz, 3500 RPM.
18GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 18GB stages at 50 Hz, 2900 RPM.
25GB Performance Curves
25GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 25GB stages at 60 Hz, 3500 RPM.
25GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 25GB stages at 50 Hz, 2900 RPM.
33GB Performance Curves
33GB Performance Curves (60 Hz, 3500 RPM)
Illustrates total dynamic head vs. capacity for various 33GB stages at 60 Hz, 3500 RPM.
33GB Performance Curves (50 Hz, 2900 RPM)
Illustrates total dynamic head vs. capacity for various 33GB stages at 50 Hz, 2900 RPM.
Accessories
Hose Accessories
Details discharge and suction hose specifications for pump connections.
Pressure Gun and Handle
Describes the pressure gun (AM2-2) and handle (4K452) for specific models.
Pipe Adapter
Details the AM5-1 pipe adapter for converting hose connections.