The PWB is a volute style barrel pump manufactured to API 610 (BB5) specifications. This between bearing, radial split double case barrel pump has a multistage axial split double volute inner case with opposed impellers for thrust balancing. This product also offers as standard integral flanges to eliminate welded auxiliary connections and a double internal balance line.
OPERATING PARAMETERS BB5
| Flow (gpm) | Head (ft) | Pressure (psig) | Temp (F) |
| 5,500 | 23,000 | 6,250 | 800 |