- Centerline support for reduced thermally induced misalignment
- BBT-D double-suction impeller for low Net Positive Suction Head (NPSH)
- First critical speed is well above operating speed range for smooth operation
- Casing designed for 2x API 610 nozzle loads for freedom from piping distortions
- Grouted or ungrouted, 1x or 2x nozzle load baseplates for reduced installation cost
BBT/BBT-D process pump
Two Stage Barrel pumps for the toughest services
The BBT/BBT-D 2 stage, radially split ISO 13709 / API 610 Type BB2 pumps offers the widest range of hydraulic performance in the industry. The BBT-D double suction impeller provides reduced NPSH3 for tough services in refineries and other critical applications.
- Unit charge
- Atmospheric or vacuum bottoms retrofits where Net Positive Suction Head Available (NPSHa) is limited
- Fractionator bottoms
- Coker heater charge
- Boiler feed booster
Main design features
- Centerline supported casing with top / top nozzles
- Thermal expansion features
- Staggered-vane double-suction impeller on larger sizes
- Proven coke crusher option
- Metco SUME coatings for abrasion resistance
Key characteristics
| Capacities | Up to 2,300 m3/h / 10,000 US gpm |
| Head | Up to 760 m / 2,500 ft |
| Pressures | Up to 100 bar / 1,450 psi |
| Temperatures | Up to 425 °C / 800 °F |
| Discharge sizes | From 150 to 250 mm / 6 to 10 inches |
| Maximum speed of rotation | Up to 3,600 rpm |
Performance range
Performance range 50 Hz
Performance range 60 Hz
