United StatesDuff-Norton/duffnortonManufacture spiral jacks, linear actuators, electric cylinders, rotating joints, electric push rods, as well as ball screws and nuts, and equipment for railway maintenance.Since 1883, Duff-Norton has earned a reputation for reliability, offering high-quality products that meet the needs of industrial lifting, positioning, and process heat transfer customers. Since 1994, when Duff-Norton registered to ISO 9001, our products have been specifically designed for a variety of industrial and commercial applications.Shanghai DafunotonDuff Norton officeThe primary market for our services includes:Steel forming equipment, packaging, industrial machinery, electrical and electronics, food and beverages, human engineering, construction, printing, tires, rubber, paper, metal industry, wood products, metal manufacturing, and communications.
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USADuff-Norton offers a wide range of screw jacks from 1/4 ton to 350 tons in metric and imperial sizes, including trapezoidal screw jacks, ball screw jacks, stainless steel jacks, miniature jacks, continuous-duty jacks, and more. We also provide matching products such as bevel gearboxes, C-face adapters, limit switches, sensors, visual and digital position indicators, couplings, and connecting shafts. Duff-Norton's lifting equipment in the USA can assemble various lifting and maintenance platforms to meet your needs in industries like steel metallurgy, mechanical manufacturing, aerospace, experimental technology, welding technology, textiles, plastics, food, chemicals, papermaking, wood processing, water conservancy, packaging printing, stage technology, automotive industry, rail systems, and special equipment manufacturing. Duff-Norton's screw jacks are versatile, enabling lifting, lowering, advancing, and flipping, with benefits such as compact size, lightweight, low noise, easy installation, broad power sources, high level of automation, high reliability, and long service life, making them an ideal replacement for original transmission structures.
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