Vertical Hollow Shaft Fire Pump Motors

UL-listed vertical hollow shaft motors engineered for mission-critical fire protection systems.

Fire Pump Family 2026 09
  • Available in WP1 (Weather Protected) and TEFC (Totally Enclosed Fan-Cooled) configurations
  • Power range from 7.5 to 500 horsepower across NEMA frames 213 to 449
  • UL listed for fire pump installations per NFPA-20 standards
  • Extra high thrust capacity (175% on 360 frames and above) for vertical turbine pumps
  • Hollow shaft design with top-mounted coupling enables pump access without disturbing pump shaft
  • Non-reverse ratchet design prevents backspinning during system shutdown
  • Drop-in replacement compatible with industry-standard NEMA P-base flanges
  • Inverter-duty rated for variable speed drive compatibility and flow control
  • Class F insulation with Class B temperature rise for extended service life
  • Heavy-duty extra high-thrust bearings withstand intense axial loads
  • Advanced sight glass for oil inspection and preventive maintenance
  • Durable cast-iron construction built to NEMA MG1 Part 31 standards
  • RAL3002 exterior red paint for high visibility and code compliance
  • WP1 models include integrated space heaters for harsh environments
  • Available in multiple voltage configurations (60 Hz standard, 50 Hz optional)