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): 5,500
• Head (ft):  23,000
• Pressure (psig): 6,250
• Temp (F): 800