Louis Allis

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Louis Allis manufactures large induction motors and generators tailored for the petrochemical, pulp and paper, water‑and‑waste, and utility sectors. Its product line includes vertical and horizontal induction motors ranging from 500 to 18,000 horsepower and operating speeds of 300 to 3,600 rpm. The firm also supplies synchronous motors, generators and condensers for the same markets, with vertical and horizontal configurations rated between 750 and 18,000 hp and speeds from 300 to 1,800 rpm, and generators sized from 500 to 15,000 kVA. In addition, Louis Allis offers specialty motors, motor‑generator sets and frequency converters covering 1 to 2,500 hp for machine‑tool, chemical‑processing, plastics, mining and HVAC applications. Its catalog features mine‑explosion‑proof, Navy‑duty, can‑type, pancake, hermetic and NEMA‑design units, providing a broad spectrum of rugged solutions for demanding industrial environments.

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