- Inline rotor stack reduces costs
- Back-to-back rotor stack allows up to 16 stages on low-density fluids
- Multiple sizes cover a broad hydraulic range
- Low-pressure, high-pressure, twistlock, and high-temperature designs suit many applications
- Multiple sourcing factories to meet local logistical needs
GSG diffuser style barrel pump
Best value barrel pump to reduce costs in your plant
The GSG pump is the least costly form of ISO 13709 / API 610 Type BB5 high-pressure barrel pumps. The GSG back-to-back rotor stack is supplied on low- density services where rotor stability is critical. GSG pumps are installed around the world in power plants, refineries, and petrochemical plants.
- Boiler feed
- High-pressure unit charge in refining
- Ethylene shipping
- Onshore and offshore waterflood
- Offshore crude shipping
Main design features
- Inline rotor stack
- Optional back-to-back rotor stack
- Single suction or double suction first-stage impeller in many sizes for reduced Net Positive Suction Head (NPSH)
- Broad hydraulic coverage in both flow and pressure
- Variety of barrel closure methods and barrel designs to suit process conditions
Key characteristics
Capacities | Up to 900 m3/h / 4,600 US gpm |
Heads | Up to 2,600 m / 10,000 ft |
Pressures | Up to 300 bar / 4,500 psi |
Temperatures | From -30 °C to +425 °C / -20 °F to +800 °F |
Discharge sizes | From 40 to 200 mm / 1.5 to 8 inches |
Maximum speed of rotation | Up to 3,600 rpm |