Gardner Denver 37kW/50kW SR Motor (100013387) & Mitsui Seiki ZU375S Air End Assembly

Overview

Up for sale is a direct-coupled Gardner Denver Switched Reluctance (SR) Motor (P/N 100013387) paired with a Mitsui Seiki ZU375S single-screw compressor air end. Capable of speeds up to 5,000 RPM, this high-efficiency variable speed air end/motor block unit was removed from a high-performance rotary screw air compressor setup. Ideal as a replacement core or backup assembly.

Technical Specifications

• Motor Manufacturer: Gardner Denver / SR Drives
• Motor Part Number: 100013387
• Motor Power Output: 37 kW / 50 kW (50 HP / 67 HP)
• Max Motor Speed: 5,000 RPM
• Air End Manufacturer: Mitsui Seiki Kogyo Co., Ltd.
• Air End Model: ZU375S
• Rated Operating Pressure: 0.69 MPa (100 PSI / 6.9 bar)
• Total Assembly Weight: Approx. 900 lbs (256 kg motor + 151 kg air end)

Gardner Denver / SR Drives Motor

• Manufacturer: Gardner Denver (under license from Switched Reluctance Drives Ltd, U.K.)
• Motor Type: Switched Reluctance Motor (SRM) - For use only with matching electronic controller
• Part / Stock No.: 100013387
• Serial No.: 00334
• Rated Output: 37 kW / 50 kW (50 HP / 67 HP class)
• Rated Current: 98A / 130A
• Service Factor: 1.23 / 1.15
• Maximum Speed: 5,000 RPM
• Protection Class: IP23
• Mass: 256 kg (~564 lbs)