Duff-Norton

Continuous Duty Actuator delivers smooth linear movement.
Mechanical Power Transmission

Continuous Duty Actuator delivers smooth linear movement.

Built for use in continuous duty cycles, 7500 series actuators use oil lubricant and will not overheat. Products feature positive action from low-friction ball screw and ball nut design and perform with efficiency ratings to 70%. Available in versions rated to 10 hp max with capacities of 3,500, 12,000, and 27,000 lb, all models are offered with top plate, clevis, or threaded end mounts. Actuator...

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Clevis-Mounted Actuator offers strokes up to 13 ft.
Mechanical Power Transmission

Clevis-Mounted Actuator offers strokes up to 13 ft.

SuperCylinder(TM) features aluminum bronze worm gears and ground and chrome plated translating tube that slides inside polymeric bearings. Enclosure of screw by tube system shields it from environmental contaminants and retains lubricants. Offering speeds to 136 ipm and capacities to 25 tons, SuperCylinder is available in right angle configuration using motor straight into C-face adapter, and...

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Actuator can be configured to application requirements.
Mechanical Power Transmission

Actuator can be configured to application requirements.

SuperCylinder(TM) incorporates precision-guided, ground, and chrome-plated translating tube system with mechanical actuator components to provide clevis mounted actuator line. Constructed with aluminum bronze worm gears and ball or acme screw, product is offered in right angle and parallel configurations that come standard with limit switches. Modular units offer speeds to 136 ipm, capacities to...

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Rotary Union conducts dissimilar fluids at high pressures.
Laboratory and Research Supplies and Equipment

Rotary Union conducts dissimilar fluids at high pressures.

Able to conduct water, hot oil, steam, chemicals, and air media, HPMC Series MultiPort Rotary Union accommodate 2-8 ports, each of which is individually sealed to eliminate crosstalk between channels. Device provides rotating seal between fluids and revolving roll or drum. Once clamped, slotted rotating disk remains in-place regardless of rotation. Operating parameters range up to 250Â-

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Electromechanical Actuators handle harsh load applications.
Mechanical Power Transmission

Electromechanical Actuators handle harsh load applications.

With load capacities up to 2 tons in tension and compression, SuperPacÂ-® linear actuators offer travel speeds to 50 ipm and stroke lengths from 3-24 in. Rotations are reversible with torque being the same in either direction. Units are fully gasketed aluminum with zinc chromate plated translating tubes, double clevis ends, and optional trunnion mounts. Cam type adjustable internal limit...

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Machine-Screw Actuator is rated for 3 ton capacity.
Mechanical Power Transmission

Machine-Screw Actuator is rated for 3 ton capacity.

Suited for applications requiring positive mechanical positioning, actuator is driven by manual crank or gearmotor. Self-locking unit holds loads in position indefinitely and without creep. Translating contact is made between bronze worm gear and turning worm shaft. With 24.2 efficiency rating, product can be driven at 2 hp max and is available with top-plate, clevis-end, or threaded-end mounts.

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Rotary Union suits abrasive fluid applications.
Laboratory and Research Supplies and Equipment

Rotary Union suits abrasive fluid applications.

Series 5000ASM provides rotating seal between fluids and revolving roll or drum. Seal is formed of tungsten carbide face ring against siliconized graphite seal ring for protection against grooving, and stainless steel wetted construction provides corrosion resistance. Fluorocarbon O-rings and 2 precision bearings keep the seal faces perfectly aligned. Operating parameters range up to 395Â-

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Electromechanical Actuator suits demanding applications.
Mechanical Power Transmission

Electromechanical Actuator suits demanding applications.

Fully sealed, gasketed, and permanently lubricated TA Series incorporates all metal gears driving self-locking ACME screw. Configurable to application requirements, product can feature adjustable internal limit switches, ac or dc motors, aluminum housing, stainless steel translating tube, and clevis attachments on each end. Suited for 500 and 1,000 lb load capacities, product travels at speeds to...

Read More »
Continuous Duty Actuator delivers smooth linear movement.
Mechanical Power Transmission

Continuous Duty Actuator delivers smooth linear movement.

Built for use in continuous duty cycles, 7500 series actuators use oil lubricant and will not overheat. Products feature positive action from low-friction ball screw and ball nut design and perform with efficiency ratings to 70%. Available in versions rated to 10 hp max with capacities of 3,500, 12,000, and 27,000 lb, all models are offered with top plate, clevis, or threaded end mounts. Actuator...

Read More »
Clevis-Mounted Actuator offers strokes up to 13 ft.
Mechanical Power Transmission

Clevis-Mounted Actuator offers strokes up to 13 ft.

SuperCylinder(TM) features aluminum bronze worm gears and ground and chrome plated translating tube that slides inside polymeric bearings. Enclosure of screw by tube system shields it from environmental contaminants and retains lubricants. Offering speeds to 136 ipm and capacities to 25 tons, SuperCylinder is available in right angle configuration using motor straight into C-face adapter, and...

Read More »
Actuator can be configured to application requirements.
Mechanical Power Transmission

Actuator can be configured to application requirements.

SuperCylinder(TM) incorporates precision-guided, ground, and chrome-plated translating tube system with mechanical actuator components to provide clevis mounted actuator line. Constructed with aluminum bronze worm gears and ball or acme screw, product is offered in right angle and parallel configurations that come standard with limit switches. Modular units offer speeds to 136 ipm, capacities to...

Read More »
Rotary Union conducts dissimilar fluids at high pressures.
Laboratory and Research Supplies and Equipment

Rotary Union conducts dissimilar fluids at high pressures.

Able to conduct water, hot oil, steam, chemicals, and air media, HPMC Series MultiPort Rotary Union accommodate 2-8 ports, each of which is individually sealed to eliminate crosstalk between channels. Device provides rotating seal between fluids and revolving roll or drum. Once clamped, slotted rotating disk remains in-place regardless of rotation. Operating parameters range up to 250Â-

Read More »
Electromechanical Actuators handle harsh load applications.
Mechanical Power Transmission

Electromechanical Actuators handle harsh load applications.

With load capacities up to 2 tons in tension and compression, SuperPacÂ-® linear actuators offer travel speeds to 50 ipm and stroke lengths from 3-24 in. Rotations are reversible with torque being the same in either direction. Units are fully gasketed aluminum with zinc chromate plated translating tubes, double clevis ends, and optional trunnion mounts. Cam type adjustable internal limit...

Read More »
Machine-Screw Actuator is rated for 3 ton capacity.
Mechanical Power Transmission

Machine-Screw Actuator is rated for 3 ton capacity.

Suited for applications requiring positive mechanical positioning, actuator is driven by manual crank or gearmotor. Self-locking unit holds loads in position indefinitely and without creep. Translating contact is made between bronze worm gear and turning worm shaft. With 24.2 efficiency rating, product can be driven at 2 hp max and is available with top-plate, clevis-end, or threaded-end mounts.

Read More »
Rotary Union suits abrasive fluid applications.
Laboratory and Research Supplies and Equipment

Rotary Union suits abrasive fluid applications.

Series 5000ASM provides rotating seal between fluids and revolving roll or drum. Seal is formed of tungsten carbide face ring against siliconized graphite seal ring for protection against grooving, and stainless steel wetted construction provides corrosion resistance. Fluorocarbon O-rings and 2 precision bearings keep the seal faces perfectly aligned. Operating parameters range up to 395Â-

Read More »
Electromechanical Actuator suits demanding applications.
Mechanical Power Transmission

Electromechanical Actuator suits demanding applications.

Fully sealed, gasketed, and permanently lubricated TA Series incorporates all metal gears driving self-locking ACME screw. Configurable to application requirements, product can feature adjustable internal limit switches, ac or dc motors, aluminum housing, stainless steel translating tube, and clevis attachments on each end. Suited for 500 and 1,000 lb load capacities, product travels at speeds to...

Read More »

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