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Duff-Norton
 
Procesos
SMAW (Electrodo)
MGAW (MIG)
Multiproceso
GTAW (TIG)
Motosoldadores
Corte por Plasma
1Oxicorte
 
Otros Equipos
Automatización
Pernos
Autosoldables
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Energia
Gatos de Levante
 
 
Línea completa de Gatos de levante neumáticos e hidráulicos desde 2 hasta 150 toneladas,
actuadores mecánicos y electromecánicos, supercilindros, y juntas rotativas.
www.duffnorton.com
Jacks - The Duff-Norton Jack product line includes heavy duty lifting devices with capacities to 150 tons. The Air Motor Jack product line consists of seven models with capacities from 20 to 100 tons. Bossman™ Hydraulic Jacks are available in 50, 100, and 150 ton capacity ratings. The Little Devil Jack product offering includes hydraulic toe, bottle, and mini jacks with capacities ranging from 2 to 100 tons. Duff-Norton Jacks are used in a wide variety of applications in the railroad, mining, construction, and shipbuilding industries.
Air Motor Jack
 

20 to 100 Ton Air Motor Jacks
Duff-Norton Air Motor Jacks are offered in seven models from 20 ton to 100 ton. These precision built, sturdy, dependable machines employ the time-tested basic screw principle with fool-proof, built-in rotary air motor. Can be synchronized for simultaneous operation of two jacks through use of a "Y' connection. Used for aising and lowering freight cars, diesel locomotives and truck trailers.

Features

  • Manufactured in compliance with ASME B30.1
  • Easy to move and spot with long transport handle and collapsible spotting handles
  • Up or down hand throttle control well guarded. Position of lever clearly indicates direction up or down
  • Sturdy shell with large diameter base for stability under top-heavy loads
  • 10" diameter, 2 1/2" face solid rubber-tire roller bearing wheels assure easy portability
  • Transport handle folds down and out of the way when jack is in use
  • Automatic shut off stops the motor when the lifting standard reaches the safe limit of its raised or lowered position
  • Screen in air hose connection easily removed for cleaning
  • Easy to lubricate through two convenient plugs in jack and one in air motor
  • Built in muffler
Ball bearing thrust and radial mountings throughout for easy action and long life

Safety Features

  • A brake is provided on 50 and 100 ton jacks to prevent accidental lowering
  • The load is lowered entirely, as well as raised, by air motor so that the lowering speed is always under constant control, preventing slippin!;j or sudden dropping of the load
  • The design of the jack prevents lowering or creeping under load in case of air failure due to disconnection or injury to the hose
  • Jacks are internally keyed to prevent standard from turning
  • Broad, sturdy base for stability
  • Serrated forged steel top
Bossman Jack
 

50 Ton Capacity Bossman Jacks
A Bossman jack for the railroad industry! Same sturdy construction as the 100 and 150 ton jacks in a compact two-wheel design.

Features

  • Patented locking mechanism: spring-activated locking shoes engage while lifting and lock into place every 3/8" to eliminate the need for blocking. When lowering, air pressure allows the locking shoes to disengage until the operator releases the lowering button.
  • Remote operation capability allows the operator to use the jack from a distance
  • Air/hydraulic pump operates with 50 CFM at 90 PSI air pressure to lift full load
  • Overall length is 26.5" - large base provides stability under load
  • Extensions available for increasing closed height as follows: 6" extension model BJ50-70; 9" extension model BJ50-71; 12" extension model BJ50-72; set of all three extensions model BJ50-6912. Special extensions available - consult Duff-Norton.
 

100 and 150 Ton Bossman Jacks
Duff-Norton's 100 and 150 ton capacity Bossman jacks are designed for jacking mining and construction equipment for maintenance. Sturdy steel frame. Three large pneumatic tires and swiveling handle for easy maneuverability. Pneumatic tires flatten under load to allow base to contact floor.

Features

  • Patented locking mechanism: spring-activated locking shoes engage while lifting and lock into place every 1/2" to eliminate the need for blocking. When lowering, air pressure allows the locking shoes to disengage until the operator releases the lowering button.
  • Remote operation capability allows the operator to use the jack from a distance
  • Air/hydraulic pump operates with 50 CFM at 90 PSI air pressure to lift full load
  • Overall length is 52" - large base provides stability under load.
  • Extensions available for increasing closed height of 100-ton models as follows: 6"extension model BJ100-70; 9"extension model BJ100-71; 12" extension model BJ100-72; set of all three extensions model BJ100-6912. Special extensions available - consult Duff-Norton.
  • Extensions available for increasing closed height of 150-ton models as follows: 6" extension model BJ150-70; 9" extension model BJ150-71; 12" extension model BJ150-72; set of all three extensions model BJ150-6912. Special extensions available - consult Duff-Norton.
Little Devils Hydraulic Jacks
 

2, 5 and 10 Ton Hydraulic Toe Jacks
Little Devils hydraulic toe jacks are offered in 2 ton, 5 ton and 10 ton capacities. This line of hydraulic toe jacks is designed for lifting heavy machinery and cargo in plant maintenance, shipbuilding, mining and railroad applications. Same capacity rating for top or toe lifting. Operating levers included.

Features

  • Lever socket swivels 1800 for operation in any direction
  • Height of toe allows easier access to low height applications · Internal springs allow for self-retraction of jack under no load (5 and 10 ton models only)
  • Ergonomic lifting handle design allows for ease of transport · Safety relief valve prevents jacking of overloads
  • Heavy duty, welded steel construction
  • Lever bar included · Manufactured in compliance with ASME 830.1.
  • May be used vertically, inclined or horizontally. When used horizontally, stroke is decreased to 70%.
 

10, 20, 50 Ton Mini Jacks
Little Devils mini jacks are offered in three capacities: 10 ton, 20 ton and 50 ton. These compact, powerful jacks are designed to be used in low-height applications. Lever bar is pumped side to side rather than up and down. Positive stops prevent over extension of the lifting ram.

Features

  • Durable steel ram is treated to prevent corrosion and rust
  • Operating lever is pumped side to side to accommodate low height applications
  • Housing cylinder and base are welded for greater strength and sealing
  • Lever bar included
  • Manufactured in compliance with ASME 830.1
  • May be used vertically, inclined or horizontally. When used horizontally, stroke is decreased to 70%
 

2 To 100 Ton Bottle Jacks
Little Devils bottle jacks are offered in capacities from 2 tons to 100 tons. The wide range of available closed heights makes them suitable for use in a broad range of industrial applications.
Features

  • Standard height and low height models
  • Can be used both indoors and outdoors · Lightweight and durable · Unique base forging method increases resistance to high pressure and offers a high degree of durability
  • Heavy duty, welded steel construction
  • Lever bar included
  • Manufactured in compliance with ASME 830.1
  • May be used vertically, inclined or horizontally. When used horizontally, stroke is decreased to 70%
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