GSG Diffuser Barrel Pump

The GSG is a BB5-type pump intended for feed water applications in fossil, industrial, and large biomass-fired power plants.

The horizontal pump is ready to use without pre-warming and is able to absorb high forces and movements thanks to its centreline mounting.

Main benefits

• Price-competitive multi-stage barrel pump
• Centreline mounting absorbs high forces and moments
• No pre-warming required
• Hydrodynamic bearings for higher energy services
• Self-equalised tilting pad thrust bearing Kingsbury type to accommodate thrust variations in transient conditions

Main applications

• Feed water

Main design features

• High head per stage and balanced radial loads
• Diffuser-type allows replacement of individual stage pieces
• Stacked rotor with staggered keyways to transmit torque
• Dynamically balanced rotor for smooth operation
• Design of balance drum and axial thrust bearing for extreme conditions