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DXP Enterprises
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Our Products

  1. Industrial Jacks, Lifts & Winches

    1 Products available

  2. Electric Actuators

    1 Products available

  3. Industrial & Engineering Products

    1 Products available

  4. Limit Switches

    1 Products available

  5. Steel & Steel Products

    1 Products available

  6. Electromechanical Actuators

    1 Products available

  7. Machine And Precision Tools

    1 Products available

  8. Nut Fastener

    1 Products available
  9. Others Products 4 Products available

Our Products

Our Complete range of products are 250 TON Machine Screw Actuators, IMPERIAL ANTI-BACKLASH, Micro-Miniature Actuators and ACME CREWS.

250 TON Machine Screw Actuators

250 TON Machine Screw Actuators

Duff-Norton offers a complete line of both standard and custom engineered machine screw actuators for applications up to 350 tons. Machine screw actuators offer positive mechanical action, precise positioning, and uniform lifting speeds. Standard configurations include upright or inverted units with translating or rotating lifting screws, and top plate, threaded, or clevis ends. Precise Positioning - can be controlled accurately for positioning within thousandths of one inchSelf Locking - models featuring higher gear ratios are inherently load holding as long as the actuator is not subject to vibrationUniform Lifting Speeds - since many actuators feature the same gear ratios different capacities can be used in the same application to lift unevenly distributed loads with uniform speedsQuick, Sure Operation - All actuators are designed and built to be positive acting, for accurate response to motive power
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IMPERIAL ANTI-BACKLASH

IMPERIAL ANTI-BACKLASH

Anti-backlash actuators reduce vertical backlash resulting in smooth, precise operation and minimal wear. Backlash occurs when the motor driving an actuator reverses its load direction. Since there is a gap between the lifting screw and the worm gear threads detrimental screw movement may occur. When the actuator is under load, the lifting screws threads are supported by the worm gears threads. The anti-backlash nut, being pinned by to the worm gear and being adjusted downwards by the shell cap, forces the bottom thread surfaces against the upper thread surfaces of the lifting screw. Thus backlash between the lifting screw and worm gear threads is reduced to a minimum. The Duff Norton Anti-backlash design features a separate anti-backlash nut and reduces actuator backlash to less than 1 thousandthsAvailable in Stainless Steel Anti-backlash nuts reduce worm gear wearAnti-backlash nuts act as additional load safety devices when the worm gear has become worn
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Micro-Miniature Actuators

Micro-Miniature Actuators

Allows for extremely fine adjustment.Corrosion-resistant.Equipped with anti-backlash nuts to minimize vertical backlash between the screw and worm gear nut.Actuates up to 1, 000 pounds.Also available in stainless steel. Standard model has anodized aluminum shell cap and housing with stainless steel worm and lifting screws. Also available with sealed 316 stainless steel shell cap, housing, worm and lifting screw.Manual operation is accomplished with an easy-to-use hand knob. The dial indicator is protected by a removable clear plastic cover.
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Rotary Limit Switches

Rotary Limit Switches

Rotary limit switches can be fitted to all Duff-Norton mechanical actuators 2 ton and larger. Sturdy, compact, and constructed of corrosion resistant materials. Control circuit switches are rated up to 277VAC. Three gear ratios are available to optimize repeatability with different actuator strokes. For more information plus specifications and dimensions, please download our PDF using the link above.
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ACME CREWS

ACME CREWS

Duff-Norton has been manufacturing Acme and Ball Screws and Nuts for our actuator products for decadesOffers an expanded assortment of screws and nuts for your application requirementsAcme Screws & Nuts offer excellent load ratings and Centralizing class screw & nut assembliesBall Screws & Nuts offer excellent load ratings, 90% efficiency, and long predictable life ratings
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Screw Jacks

Screw Jacks

A screw jack is a device used to apply a force, push and pull, or move to a position and hold by mechanically converting rotary motion into linear motionScrew jacks (mechanical actuators) capacities from 14 ton to 350 tonsAvailable in machine screw, ball screw, stainless steel machine screw actuators, micro-miniature actuators, high duty cycle actuators, motorized machine screw and ball screw actuators, electric cylinders and motor control systemsAccessories include miter gear boxes, c-face motor adapters, limit switches, transducers, visual and digital position indicators, couplings, ball screws and ball screw systems, and locking ringsCan be used as alternatives to hydraulic and pneumatic systems
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Linear Actuators

Linear Actuators

Duff-Norton manufactures linear actuators and electric cylindersLinear Actuator products include TracMaster and LinearMaster Actuators, Modular Actuators and Electric CylindersLinear actuators are available in capacities ranging from 27 pounds to 25 Tons, gear or belt driven, acme screw and ball screw systems with various AC and DC input voltagesDuff-Norton Linear Actuators are specially designed for a variety of commercial and industrial applicationsThese actuators are used for opening and closing, tilting and pivoting, lifting and lowering and positioningCustom designs are also available for special applicationsLinear Actuators are now being used in place of pneumatics and hydraulics when leaking hydraulic oil is a concern
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Rotary Union

Rotary Union

Duff-Norton manufactures Rotary Unions and Swivels in single and multi-port configurations. Rotary Unions are also known as rotary joints, rotating joints, and rotating unions.Rotating joints are used to transfer media from a stationary supply to a rotating component such as a drum or a rollSpecifications: Pressure - 10, 000 psi max Temperature - 600 degrees F max Speed - 3, 500 RPM max Sizes - 18" to 12" maxMedia: Water steam hot oil hydraulic fluid non toxic - non flammable gasesPrimary Industries: Chemical printing rubber metals textiles plastics food paper machine tools building materials construction equipmentBasic Applications: Provide heating or cooling media to control the surface temperature of a drum or roll, transfer air or hydraulic fluid to moving components, add fluids to mixers while in motion
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Stainless Steel

Stainless Steel

tainless Steel Anti-backlash actuators reduce vertical backlash resulting in smooth, precise operation and minimal wear along with the same great corrosion resistance offered by our standard stainless steel actuators. Backlash occurs when the motor driving an actuator reverses its load direction. Since there is a gap between the lifting screw and the worm gear threads detrimental screw movement may occur. When the actuator is under load, the lifting screws threads are supported by the worm gears threads. The anti-backlash nut, being pinned by to the worm gear and being adjusted downwards by the shell cap, forces the bottom thread surfaces against the upper thread surfaces of the lifting screw. Thus backlash between the lifting screw and worm gear threads is reduced to a minimum. The Duff Norton Anti-backlash design features a separate anti-backlash nut and reduces actuator backlash to less than 1 thousandthsAvailable with either 316SS or 17-4PH wormAnti-backlash nuts reduce worm gear wearAnti-backlash nuts act as additional load safety devices when the worm gear has become worn
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Ball Screw Actuators

Ball Screw Actuators

Duff-Norton Ball Screw actuators come in many standard models, or can be custom designed for any application up to 50 tons. For select 75 ton or 100 ton applications, Duff-Norton does have the ability to provide ball screw actuators as well. Please contact our customer service department for more details. Duff-Norton Ball Screw actuators provide high efficiency and high speed in one linear positioning package. The positive action of the low friction ball screw and nut design provides longer life at load and requires less power to achieve a specified thrust. Ball screw actuators can be used individually, in tandem or as part of a larger mechanical system. With lifts up to 20 feet, Duff-Norton Ball Screw actuators offer the perfect solution to many linear positioning applications. Anti-Rotation Models available - contact our customer service personnel for more informationMove loads and apply force more efficiently than other mechanical actuatorsRequire less power by providing positive mechanical actionPermit faster operation and longer life under load
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Ball Screws

Duff-Norton has been manufacturing Acme and Ball Screws and Nuts for our actuator products for decadesOffers an expanded assortment of screws and nuts for your application requirementsAcme Screws & Nuts offer excellent load ratings and Centralizing class screw & nut assembliesBall Screws & Nuts offer excellent load ratings, 90% efficiency, and long predictable life ratings
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Ball Nuts

Duff-Norton has been manufacturing Acme and Ball Screws and Nuts for our actuator products for decadesOffers an expanded assortment of screws and nuts for your application requirementsAcme Screws & Nuts offer excellent load ratings and Centralizing class screw & nut assembliesBall Screws & Nuts offer excellent load ratings, 90% efficiency, and long predictable life ratings
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