Description

The U.S. MOTORS® S-Series hollow-shaft vertical motor is purpose-built for vertical turbine pump applications, offering the durability and adjustability required for deep-well and high-demand water systems. Its HOLLOSHAFT® design allows the pump shaft to pass directly through the motor shaft, enabling simple impeller lift adjustments from the accessible top of the motor—ideal for achieving proper running clearance without disassembling equipment.

Manufactured in an ISO9000-2008 facility and trusted since 1922, these motors are constructed from high-quality materials and engineered for long life in demanding environments. Available with multiple enclosure types and thrust ratings, U.S. MOTORS® vertical motors can be configured for agricultural, municipal, industrial, mix-flow, and propeller-pump applications.

This unit comes complete with couplings and ratchets for streamlined installation and reliable pump engagement.

HIGHLIGHTS

• Horsepower Range: 3–5000 HP

• Speeds: 3600–400 RPM options

• Voltage Options: 208–6900 VAC, 3-phase, 50/60 Hz

• Enclosures Available:

  • Weather Protected Type I

  • Weather Protected Type II

  • Totally Enclosed Fan Cooled (TEFC)

  • Hazardous Location

• Efficiency Levels: Standard Efficient, Energy Efficient, and Premium

• Shaft Configurations: Offered in both solid-shaft and HOLLOSHAFT® designs.

• Thrust Ratings: Normal, Medium, High, and Extra-High thrust capacities for demanding load conditions.

APPLICATIONS

• Vertical turbine pumps

• Agricultural and turf irrigation systems

• Municipal water and wastewater

• Industrial pumping systems

• Mix-flow and propeller-pump installations