MenaMech Pump Manufacturing

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Vertical Hollow Shaft Motor

Reliable Vertical Power ,UL-listed

Engineered to meet NFPA 20 standards under the most demanding conditions

The Vertical Hollow Shaft Motor from Mena Mech is UL-listed and designed to meet the demands of fire pump systems per NFPA 20 standards. Optimized for vertical turbine pump applications, it features a durable cast iron frame, non-reverse ratchet, and high thermal endurance. Engineered for high performance and long service life, it is ideal for critical safety infrastructure requiring dependable startup and sustained output under emergency conditions.

Vertical Hollow Shaft

Specifications:

Certified Vertical Hollow Shaft Motors

  • 2-Pole Range (High Speed):

     

    • Power: 20 – 350 HP

       

    • Voltage: 380–415V (50 Hz)

       

    • Speed: 2960–2980 RPM (50 Hz), 3485–3565 RPM (60 Hz)

       

  • 4-Pole Range (Standard Speed):

     

    • Power: 15 – 400 HP

       

    • Voltage: 380–415V (50 Hz), 208–230V / 460V (60 Hz)

       

    • Speed: 1465–1485 RPM (50 Hz), 1765–1785 RPM (60 Hz)
Product Catalogue
UL Listing
FM Approval

Features

  • NEMA energy-efficient design

     

  • Fully compliant with NFPA 20 standards

     

  • 3-phase motor with 1.15 service factor

     

  • Robust cast iron housing for industrial durability

     

  • Rated for ambient temperatures up to 50°C

     

  • UL Listed

     

  • Stainless steel nameplate

     

  • RAL 3000 red standard paint finish

     

  • IP23-rated enclosure
  • Suitable for elevations up to 1000 meters

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