Centriflo and Series B, low NPSH Pumps

B Series, low NPSH, style PF-B, PVF-B and HB

The B-35 Series pumps has a suction inducer to create a positive pressure at the centrifugal impeller thus guaranteeing low NPSH pump requirements. Pumps require only 2′ NPSH and can pump condensate up to 210°F (99°C) at sea level from a vented tank at the same level as the pump suction. Pumps mounted to a vented tank elevated 24” above the pump suction can pump 212°F (100°C) water. Pumping from closed loop systems is limited to a maximum of 35 PSI suction pressure and may require alternate seals if temperatures exceed 250°F (121°C). Style PF-B vertical pump is available as a flange mounted for connection directly to a tank. PVF-B are vertical pumps for separate standalone floor mounting and HB Horizontal pumps are available for separate mounting. All pumps are bronze fitted with bronze case wear rings, bronze suction inducers, bronze flow straightening vanes and stainless steel shafts.

Features and Benefits

  • 3500 RPM Capacities to 160 gpm Discharge Pressures to 100 psig
  • 1750 RPM Capacities to 340 gpm Discharge Pressures to 50 psig


Ready to select pumps as well as suction diffusers, triple duty valves, heat exchangers, air/dirt separators, PIC valves, and parts? Click below to open the new Bell & Gossett ESP-Systemwize selection tool and enter your duty points to begin selecting the most energy efficient system:


Sizing Tools:

Steam + Water Pressure Reducing Values

Software Tool and Application Support/Suggest Enhancements

Please click the button below to report issues and suggest enhancements.

Support Request

System Selection and Technical Product Support

Consult your local Bell & Gossett Representative for additional assistance.