- 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
|Up to 900 m3/h / 4,600 US gpm
|Up to 2,600 m / 10,000 ft
|Up to 300 bar / 4,500 psi
|From -30 °C to +425 °C / -20 °F to +800 °F
|From 40 to 200 mm / 1.5 to 8 inches
|Maximum speed of rotation
|Up to 3,600 rpm
Boiler feed water and booster pumpsFeed water pumps (FWP) pump the feed water from the de-aerator through the HP heaters to the boiler. The major characteristic of FWP is their high differential head.
Crude oil pipeline mountainous terrainIn remote areas, there may not be power available, or, terrain may be so steep that all the pressure rise has to be made in 1 station. Each pump must make the entire head. Pumps are often run in parallel. Hundreds of Sulzer multistage pump performances meet such high pressure requirements.
Crude oil pipeline offshore to onshoreAll the pressure rise must be made in the crude shipping pumps on the platform. Salt spray is corrosive and platform movement during storms can affect reliability. Specially packaged Sulzer multistage pumps are used to move crude oil from offshore platforms to onshore storage or pipeline systems.
Crude oil pipeline onshore flat terrainPower cost is the largest operating cost for crude oil pipelines on flat terrain. Flow rate, viscosity, pipe size, and station spacing all affect pump selection. 2 or 3 mainline pumps are often run in series. Sulzer can help with FEED assistance, rerates to optimize performance and lower power costs.
Feed water pump (FWP) for gas-firedFeed water pumps (FWP) pump the feed water from the de-aerator through the HP heaters to the heat recovery steam generator. The major characteristic of the FWP is their high differential head. In all sizes of gas-fired combined-cycle power plants, the FWP are horizontal ring section type; occasionally, they could also be barrel or axially split type.
Feed water pumps for solar power generationFeed water pumps (FWP) pump feed water from the de-aerator through the HP heaters to the solar steam generator. The major characteristic of FWP is their high differential head. The FWP are usually horizontal ring section type, but depending on customer requirements, they can also be barrel or axially split type.
Flow assurance (dead oil / hot oil)Pumps for flow assurance service, also known as dead oil and hot oil circulation, are critical to maintain oil production in deep cold water. Though usually driven by an electric motor, the Sulzer BB3 and BB5 pumps can be engineered with diesel engine drivers. Along with our reputation for quality and efficiency, our pumps are right for this service.
Hydraulic power recovery turbineMany industries aim to reduce their ecological footprint by minimizing energy consumption. Sulzer Hydraulic Power Recovery Reaction Turbines can be used to capture lost energy.
Liquefied petroleum gas pipelinesLiquefied Petroleum Gas (LPG) mixtures (ethane, propane, butane) can have vapor pressure up to 40 Bar, specific gravity less than 0.40, and almost no lubricity. Sulzer provides special materials, acoustic studies, and lateral analysis to assure reliable performance with varying flow, speed, and fluid conditions.
Refined product pipelinesThousands of Sulzer multistage pipeline pumps move diesel fuel, jet fuel, gasoline, and other refined products all over the globe. Sulzer’s global service centers, service and retrofit not only our own pumps, but other pumps and motors as well.
Supercritical and compressible fluid pipelinesFor the past 30 years, Sulzer multistage pumps have been used to pump compressible, dense phase ethylene and CO2 at normal and supercritical pressures. Compressible performance prediction, acoustic studies, and, lateral analysis, are all part of service provided by Sulzer engineers for such rigorous applications.