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Rotary Unions - 300 Series Small Envelope

Rotary Unions for Air applications required to operate at high speeds combined with space constraints makes the Duff Norton 300 Series Small Envelope Rotary Union an ideal choice.

Rotary Unions 600 Series General Purpose

Duff-Norton Series 600 Rotary Unions® are general purpose Rotary Unions designed for hydraulic, pneumatic and water applications. Series 600 Rotary Unions are available in sizes from 1/4" to 1" and can be used at pressures up to 3625 psi (250 bar).

Rotary Unions - 5000 Series General Purpose Stainless Steel

5000 Series stainless steel rotary union is a general purpose rotating joint suitable for hot oil, steam, water, air and chemical use. It features all stainless steel hardware for superior corrosion resistance. The fluorocarbon o-rings and bearing seals in the Series 5000 allow it to run at higher temperatures and ensure longer life with minimal maintenance. The integrated cartridge design makes refurbishment fast and easy.

Rotary Unions - 9000 Series General Purpose

The 9000 Series General Purpose Rotary Union features a bellows type seal to provide greater flexibility where equipment misalignment is inherent, and to resist seal hang-up in media contaminated with debris and suspensions. All sizes over 1-1/4˝ have dual bearings for additional load support. The 9000 Series is available with either flanged or threaded shaft connections for greater mounting flexibility. Models with BSP or ISO228 threads are available.

2000 Series Shock and Vibration Resistant Rotary Unions

The 2000 Series Rotary Union is designed for introducing heat and cooling agents into rolls or cylinders in machinery. This shock and vibration resistant rotating joint is perfect for tough applications.

Rotary Unions Steam and Hot Oil 8000 Series

8000 Series is designed for operation in a wide variety of steam rotary union and hot oil rotary union applications. Sizes available range from 1/2" to 4". The special carbon graphite bearing avoids the need for lubrication. A stainless steel sleeve insert makes this rotary joint a favorite within the textile industry.

General Purpose Rotary Unions - 805 Series

805 Series Rotary Union is used with a wide variety of process fluids including air, vacuum, chemicals, and oil. All models can be used at temperatures up to 320F (160C) and speeds up to 5000 rpm depending on the pressure.

9000G Series High Temperature Rotary Unions

The 9000 Series General Purpose Rotary Union® features a bellows type seal providing superior sealing perfomance throughout the wear life. The 9000G rotating joint employs no rolling element carbon graphite bearings making them ideal for high temperature rotating union applications and maintenance free service.

Multi Port Rotary Unions - HPMC/HSMC Series

Duff Norton multiport Rotary Unions are available in both high pressure and high speed configurations. Duff Norton multi-port HPMC series joints are suitable for use in low speed applications for pressures up to 5880 psi (400 bar). Each passage is sealed to restrict leakage between ports. Multi Port HSMC Series Rotary Unions® are available with up to four ports as standard models. HSMC series is perfect for low pressure applications, up to 175 psi (12 bar) with rotational speeds up to 3,000 rpm.

Two Port Rotary Unions - 1600 Series

Two port rotary union - 1600 series features individually sealed circuits which can be used with dissimilar fluids without cross contamination. Used for medium speed and pressure applications with threaded connection. Available in nickel plates steel and stainless steel with hardened ceramic shaft for higher speeds and longer life.

Two Port Rotary Unions - 1650 Series

Two port rotary union - 1650 Series featuring individually sealed circuits can be used with dissimilar fluids without cross contamination. Used for medium speed and pressure applications with flanged connection. Available in nickel plates steel and stainless steel with hardened ceramic shaft for higher speeds and longer life.

DWA Rotary Unions for Water Applications

Duff Norton DWA Rotary Union for water is used in applications where water reaches a maximum temperature of 100 Deg C. The maximum speed of this unit is 3500 RPM and the maximum pressure is 200 psi. Typical applications include heating or cooling process rolls, rubber mixers, embossing rolls and calendars. The NEW DWA Series Water Rotary Union is an economical way to solve your process heating and cooling solutions.

Around The Shaft Rotary Unions - 500 Series

Around the Shaft Rotary Unions - 500 Series, allows media to be transferred in a rotating shaft by mounting the rotating joint onto or around the shaft. This special design is a unique solution for low speed high pressure rotary union applications or high speed low pressure applications. 500 series rotary union is available in nickel plated steel or stainless steel.

Rotary Swivels 1100 Series Slow Rotation

Duff-Norton Series 1100 Rotary Swivels are threaded for use in applications where complete rotation is not necessary. Series 1100 rotary swivels are available n sizes from 1/4" to 3", and can be used at pressures up to 725 psi (50 bar). 1100 series feature nickel treated carbon steel construction. Stainless steel rotary swivels are also available. All sizes are offered in axial flow configurations, or with a 90° stainless steel elbow.

Slow Rotation Swivel - 1200 Series

1200 Series Small Envelope Swivel offer easy installation and no lubrication required. This Duff Norton Swivel comes standard in nickel plated steel and is also available as a stainless steel swivel. Sizes range from 1/4" to 2" thread size.

Slow Rotation Swivels - 1102 Series

Duff Norton slow rotation swivels 1102 series are designed for swiveling or slow rotation applications only. The 1102 Series is offered in sizes from 1/4˝ to 6˝ and can be used at pressures up to 1160 psi (80 bar). This series has a GR Seal and is available with axial (straight through) flow, or radial flow with the addition of a stainless steel elbow. Standard models feature nickel treated carbon steel construction, but are also available in all stainless steel. Series 1102 offers two ball bearings which allow for increased pressure and speed.

1300 Series Flanged Rotary Swivels

1300 Series swivels are flanged swivel joints ranging in size from 2" through 12". They are used in applications where slow rotation or swiveling motion is needed. 1300 series flanged rotary swivels are suitable for use with pressures up to 290 psi. Available in nickel treated carbon steel construction as standard or with a stainless steel shaft. Design features include a ball bearing for rotation and a Teflon-encapsulated o-ring seal. 1300 Series Duff Norton Swivel can be used in applications with temperatures up to 200 Deg C.

High Pressure Swivels - 1700 Series

1700 Series High Pressure Rotary Swivel is a single ball bearing design for slow rotation at up to 5,075 psi (350 bar).Duff Norton offers a wide range of swivels suitable of hydraulic and pneumatic applications. Standard models are made of nickel treated carbon steel. Stainless steel models are available.

High Pressure Rotary Swivel - 1900 Series

High Pressure Rotary Swivel - 1900 Series is used for higher pressure applications up to 10,150 psi/ 700 bar at speeds not exceeding 100 rpm. Duff Norton 1900 Series Rotary Swivel features two spaced ball bearings and Teflon encapsulated O-ring seals for minimal maintenance.

Anode Jacks

Anode Jacks were developed by Duff Norton in conjunction with the aluminium industry to meet the specific requirements of aluminium production. Duff Norton Anode Jacks feature heavy duty construction based upon their standard screw jack range modified for beam lifting in aluminium pot smelting process. Anode Jacks require larger worm gearing and bearings to handle extra stresses that can occur with frozen aluminium pots.

Continuous Duty Cycle Actuators

Duff Norton Continuous Duty Cycle actuators are specifically designed for continuous operation. Drive train gearing operates in an oil bath providing high thermal efficiency and long life. The actuator gearbox housing is constructed from finned aluminum providing a high cooling capacity . Combined with the Duff-Norton ball screw system this further increases efficiency of this range. Continuous operation (at rated capacities only) provides -Increased predictable life , High mechanical and thermal efficiency with oil lubrication.

Linear Actuators - LT Series (120-1000N)

12V Linear Actuators in the Duff Norton LT Series range afford an Economic, Low Noise linear positioning actuator with IP66 Protection. Light Weight design combined with capacities to 1000N and Stroke lengths to 300mm, Speeds to 44 mm per second - Multiple DC Voltages 12VDC & 24VDC - Internal Limit - Switches - Optional Feedback - Synchronous Operation Available

Linear Actuator LS Series (2000-3000N)

Duff Norton LS Series Electromechanical Linear Actuators are Economical - Low Noise with Die Cast Aluminium housing, Steel outer and Inner tube for Strength. Capacities range from 2000 to 3000N with Stroke lengths from 100mm to 610mm. Voltages are 12VDC & 115AC, Internal Limit - Switches.

TMD01 Series Linear Actuators (444N)

12VDC or 24VDC Linear Actuator with timing belt drive for quiet operation. Duff Norton TMD01 features a compact design with aluminium housing and outer tube. This electromechanical actuator offers keyed translating tube and adjustable limit switches for strokes 50 to 304mm

TMD02 Series Linear Actuators (1,112 N)

12VDC or 24VDC Electromechanical Linear Actuator with timing belt drive for quiet operation. Duff Norton TMD02 features a compact design with aluminium housing and outer tube. This electromechanical actuator offers keyed translating tube and adjustable limit switches for strokes 50 to 304mm

HMPD Series c/w - Limit Switch (1,112N)

HMPD is an industrial grade linear actuator from Duff Norton. Heavy duty construction,adjustable limit switches, positioning feedback and bellows boots makes this a versatile actuator suitable for use in a wide range of industrial lifting and positioning applications.

HMPD Series c/w- Clutch (1,112N)

HMPD is an industrial grade linear actuator from Duff Norton. Heavy duty construction,load limiting clutch, limit switches, positioning feedback and bellows boots makes this a versatile actuator suitable for use in a wide range of industrial lifting and positioning applications.

HMPB Series Linear Actuators (1,112N)

HMPB series electric linear actuator can be integrated into sophisticated control systems allowing precise position feedback and accurate control of the actuator. Electric linear actuators from Duff Norton are high-quality actuators with a long life expectancy requiring little or no maintenance.

HSPB Linear Actuators (1,112N)

HSPB series electric linear actuator can be integrated into sophisticated control systems allowing precise position feedback and accurate control of the actuator. Duff Norton electric actuators are high-quality actuators with a long life expectancy requiring little or no maintenance.

MPD Linear Actuators (2,224N)

Electric linear actuator can be used for pushing and pulling applications providing precise position feedback and accurate control of the actuator. MPD Series Electric linear actuators are offered in 12VDC and 24VDC. These high-quality actuators will provide reliable operation, long life requiring little or no maintenance.

SPB Linear Actuators (2,224N)

SPB series electric linear actuator can be integrated into sophisticated control systems allowing precise position feedback and accurate control of the actuator. Duff Norton SPB electric actuators feature a thrust limiting friction disc clutch in case of an overload condition. This electromechanical actuator is highly reliable and requires little or no maintenance.

TAC Linear Actuators (2,224N)

12VDC Linear Actuator from Duff Norton in the TAC Series is also available in 24VDC. This Duff Norton actuator is capable of 2224N of thrust with Load limiting ball detent clutch. Designed for tough linear positioning applications and available in double clevis mounting it also features automatic thermal overload reset for motor protection.

TAL Series Linear Actuators (4,448N)

TAL Series Linear Actuator from Duff Norton is available in 220VAC & 115VAC. This Duff Norton actuator is capable of 4448N of thrust with Load limiting ball detent clutch. Designed for tough linear positioning applications and available in double clevis mounting it also features automatic thermal overload reset for motor protection. Optional positioning feedback is available on this electromechanical linear actuator.

LSPD Series Linear Actuators (6,672N)

12VDC Duff Norton Linear Actuator - LSPD Series is capable of 6672N of thrust and includes internal adjustable limit switches for ease of setup. Designed long life in tough linear positioning applications it is as double clevis mounting or trunnion mounting. Options include positioning feedback, bellows boot and threaded end mounting.

SPA Series Linear Actuators (6,672N)

Duff Norton Linear Actuator - SPA Series (6672N) is capable of 66726N of thrust and includes internal adjustable limit switches for ease of setup. Available in 220VAC 50Hz and 115VAC 60hz voltage options. Designed for long life in tough linear positioning applications it is available in either double clevis or trunnion mounting. Options include positioning feedback, bellows boot and threaded end mounting.

SPA Series Linear Actuators (8,896N)

Duff Norton Linear Actuator - SPA Series (8896) is capable of 8896N of thrust and includes internal adjustable limit switches for ease of setup. Available in 220VAC 50Hz and 115VAC 60hz voltage options. Designed for long life in tough linear positioning applications it is available in either double clevis or trunnion mounting. Options include positioning feedback, bellows boot and threaded end mounting.

SCW02 & SCW03 Series Electric Cylinders (2 & 3 Ton)

Duff Norton Electric Motor Cylinders SCW02 & SCW03 Series range are designed for a vast array of industrial linear positioning and lifting applications. Duff Norton manufactures industry's most comprehensive range of high capacity linear electric cylinders. Duff Norton SCW Series electric cylinder options includes brake motors, positioning feedback,explosion proof limit switches - ATEX,double clevis mounting.

SCW05 Series Electric Cylinders (5 Ton)

Duff Norton Electric Motor Cylinders SCW05 Series range are designed for a vast array of industrial linear positioning and lifting applications. Duff Norton manufactures industry's most comprehensive range of high capacity linear electric cylinders. Duff Norton SCW05 Series electric cylinder options includes brake motors, positioning feedback,explosion proof limit switches - ATEX,double clevis mounting.

SCW10 Series Electric Cylinders (10 Ton)

Duff Norton Electric Motor Cylinders SCW10 Series range are designed for a vast array of industrial linear positioning and lifting applications. Duff Norton manufactures industry's most comprehensive range of high capacity linear electric cylinders. Duff Norton SCW10 Series electric cylinder options includes brake motors, positioning feedback,explosion proof limit switches - ATEX,double clevis mounting.

SCW20 Series Electric Cylinders (20 Ton)

Duff Norton Electric Motor Cylinders SCW20 Series range are designed for a vast array of industrial linear positioning and lifting applications. Duff Norton manufactures industry's most comprehensive range of high capacity linear electric cylinders. Duff Norton SCW20 Series electric cylinder options includes brake motors, positioning feedback,explosion proof limit switches - ATEX,double clevis mounting.

SCW25 Series Electric Cylinders (25 Ton)

Duff Norton Electric Motor Cylinders SCW25 Series range are designed for a vast array of industrial linear positioning and lifting applications. Duff Norton manufactures industry's most comprehensive range of high capacity linear electric cylinders. Duff Norton SCW25 Series electric cylinder options includes brake motors, positioning feedback,explosion proof limit switches - ATEX,double clevis mounting.

SCN03 Series Electric Cylinders (3 Ton)

Electric Cylinder SCN03 Series for linear positioning and lifting applications. Duff Norton SuperCylinder range offers industry its largest range of high capacity linear electric cylinders with either trunnion or clevis mount. Options include brake motors, positioning feedback,explosion proof limit switches - ATEX. Suited to a huge range of lifting, opening/closing and positioning applications.

SCN06 Series Electric Cylinders (6 Ton)

Electric Cylinder SCN06 Series for linear positioning and lifting applications. Duff Norton SuperCylinder range offers industry its largest range of high capacity linear electric cylinders with either trunnion or clevis mount. Options include brake motors, positioning feedback,explosion proof limit switches - ATEX. Suited to a huge range of lifting, opening/closing and positioning applications.

SCN12 Series Electric Cylinders (12 Ton)

Electric Cylinder SCN12 Series for linear positioning and lifting applications. Duff Norton SuperCylinder range offers industry its largest range of high capacity linear electric cylinders with either trunnion or clevis mount. Options include brake motors, positioning feedback,explosion proof limit switches - ATEX. Suited to a huge range of lifting, opening/closing and positioning applications.

SCN25 Series Electric Cylinders (25 Ton)

Electric Cylinder SCN25 Series for linear positioning and lifting applications. Duff Norton SuperCylinder range offers industry its largest range of high capacity linear electric cylinders with either trunnion or clevis mount. Options include brake motors, positioning feedback,explosion proof limit switches - ATEX. Suited to a huge range of lifting, opening/closing and positioning applications.

Modular Actuators (8,896N)

Duff-Norton Modular Actuators allow use in a wide range of applications by matching standard actuator models with AC or DC electric, air, hydraulic or explosion-proof drive units. The rotating screw models, featuring a traveling lift nut, permit reliable load positioning in locations which are relatively free of dust, dirt and moisture. Translating tube units, with an enclosed lifting screw and translating tube, are specified when environmental contamination is anticipated. Optional limit switches and transducers are also available for both actuator types.

Screw Jacks - Imperial 1/4 Ton - 250 Ton

Duff Norton Screw Jacks are produced in many standard models from 1/4 Ton to 250 Ton Capacities.Machine screw jacks 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.

Screw Jacks - Metric 5kN - 200kN

Duff Norton Metric Machine Screw Jacks are produced in many standard models from 5kN to 200kN capacities. Machine screw jacks 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.

Anti Backlash Screw Jacks 1/4 Ton - 150 Ton (Imperial)

Duff Norton 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.

Anti Backlash 25kN - 200kN (Metric)

Duff Norton metric range of anti backlash screw jacks offer customers industry's best backlash control on the market. Available in capacities from 25kN to 200kN this anti backlash actuator can also be utilized as a screw jacks with internal safety nut feature.

Stainless Steel Screw Jacks

Stainless steel screw jacks manufactured by Duff Norton offer a complete line of stainless steel machine screw actuators in standard and special configurations for loads up to 100 tons. Duff-Norton Stainless Steel actuators incorporate all of the same features as Duff-Norton's standard machine screw actuators, but can be used in severe environments where other materials are inadequate

Cubic Screw Jacks

Cubic screw jack that features a compact and versatile cubic housing design. Available in both machine screw and ball screw configurations whilst offering high reliability and performance. Clean surface make these units easy to clean dirty environments. Capacities range from 2.5kN to 100kN.

Bevel Gear Jacks

Bevel Gear Screw Jacks eliminate the need for miter gearboxes. Bevel Gear jacks offer higher efficiency and greater speed than other mechanical screw jacks. Bevel gear jacks still provide the benefit of a self-locking screw with no special brake required to prevent the jack from lowering under load. Spiral bevel gears increase strength for higher capacities. Bevel Gear jacks also act as a miter gear box, making them an ideal choice for many multi-jack systems. Output shafts may be specified for mounting motors, limit switches, readout devices and other accessories.

Ball Screw Actuators

The Duff-Norton ball screw gives you a single- package, positive-action linear actuator which can be driven by an electric, air or hydraulic motor. A ball-bearing type heat treated screw and mating nut with rolling contact reduces friction to a bare minimum in converting torque to thrust.

Linear Motion Components

Duff Norton's Linear Motion Components include Bevel Gearboxes, Couplings, connecting shafts, Flange Blocks and Pillow Blocks. All necessary drive train components are available to suit your needs. Bellows Boots are available and highly recommended for use on most screw and nut applications.

Connecting Shafts

Screw Jack connecting shafts supplied by Duff Norton Australia are manufactured from cold drawn bar that is turned, ground and polished to ensure smooth rotation. This eliminates problems often associated with standard steel shafts generating a whipping effect and working their way loose during operation.

Acme Screws & Nuts

Acme Screw and nuts manufactured by Duff Norton are available in centralizing class quality. Both Acme Screw and nuts are available in sizes from 1/2" to 9".

Ball Screws & Nuts

Ball Screws and Nuts have been manufactured by Duff Norton for many years having been incorporated into complete actuators. This range has been expanded in Ball Screw sizes ranging from 1/2" to 4" in various leads. All Ball Screws are precision rolled, heat treated, inspected, and then manganese phosphate or black oxide coated.

Powered Actuators

Duff Norton screw jacks can be motorized and powered by various devices. These may include AC & DC electric motors, Air Motors and manually operated handwheels. Very slow screw jack speeds are achieved via a close coupled gear reducer providing an all in one solution to meet customers linear lifting requirements.

Bevel Gearboxes

Bevel gearbox use in multiple screw jack arrangements provide an effective and efficient way of synchronizing all units in the drive system. Bevel gearbox units from Duff Norton offer high horsepower ratings, increased service-life, improved lubrication, and more flexible mounting compared to other brands.

Bellows Boots

Bellows Boots for screw jack and ball screw applications is possibly one of the most significant items that is commonly overlooked when purchasing linear actuator systems. Duff Norton Australia highly recommends the use of Bellows Boots to protect your expensive capital equipment from the harms of dirt and dust ingress and corrosive atmospheres.

Couplings

Couplings for screw jacks and ball screw actuators are offered by Duff Norton in three main types - Jaw Couplings, Chain Couplings & Safety Sleeve type Gear Couplings. These have been specifically matched to suit ease of mounting and reliable operation for Duff Norton screw jack and linear actuator systems.

AC Motor Controls

Duff Norton offers constant speed AC motor controls for machine screw jacks and ball screw actuators. These new systems provide jogging - inching or maintained operation when specified as part of a Duff Norton Linear Positioning System.

Rotary Limit Switches

Duff Norton Rotary Limit Switch ensures reliable start/stop positioning of screw jacks and ball screw actuator systems. Featuring sturdy construction with IP65 rating and easy adjustment these limit switches are ideal with no external hardware required and simply mount to the screw jack.

Positioning Controls

Duff Norton offers positioning and readout solutions to suit the most difficult applications including dirty and harsh environments such as coal handling, mining & mineral processing operations. Analog and Digital options are available to provide position feedback and interface with customers control and monitoring systems.

Micro Miniature Screw Jacks

Micro Miniature Screw Jacks with extremely fine adjustment for loads up to 450Kgf. Equipped with anti - backlash nuts and stainless steel worm and lifting screws for reliable operation in corrosive environments. Duff Norton provide Dial Indicators upon request.

DNRF Series Flanged Rotary Swivels

Flanged Rotary Swivel Stainless Steel or Nickel Plated that allows easy connection to pipes and hoses.

HMPB Series Linear Actuators (2,224N)

HMPB series electric linear actuator can be integrated into sophisticated control systems allowing precise position feedback and accurate control of the actuator. Electric linear actuators from Duff Norton are high-quality actuators with a long life expectancy requiring little or no maintenance.

Linear Actuators - XLT Series Heavy Duty (1512N -4515N)

12VDC, 24VDC Heavy Duty Linear Actuators in the Duff Norton XLT Series range provide a Cost Competetive, Low Noise linear positioning actuator with IP66 Protection. Heavy Duty Construction combined with capacities to 4515N and Stroke lengths to 300mm, Speeds to 27 mm per second - Multiple DC Voltages - Internal Limit - Switches - Optional Feedback - Synchronous Operation Available

CMLA A Series - Linear Actuator (2,200N)

Duff Norton Linear Actuator - CMLA Series features an innovative and patented design employing lightweight cast aluminium and Stainless Steel linear actuator construction. This configurable design linear actuator has 2200N capacity featuring patented onboard electronic controls providing plug-and-play operation, making it ideal for applications requiring advanced positioning capability. Featuring 230VAC Single phase AC motor with a wide selection of gearing allows customized lifting speeds. IP66S ingress protection provides a watertight low maintenance envelope providing long life in tough environmental applications.

CMLA B Series - Linear Actuator (4,500N)

This design configurable 4500N linear actuator is equipped with a patented electronic control on board for plug-and-play operation, making it ideal for applications that require enhanced positioning capability. Equipped with 230VAC single phase AC motor combined with a wide selection of gears allows customized lifting speeds. IP66S degree of protection provides a quality sealed low maintenance actuator providing long life in harsh environments.

CMLA C Series Linear Actuator (6,700 N)

This design configurable 6700N linear actuator is equipped with a patented electronic control on board for plug-and-play operation, making it ideal for applications that require enhanced positioning capability. Equipped with 230VAC single phase AC motor combined with a wide selection of gears allows customized lifting speeds. IP66S degree of protection provides a quality sealed low maintenance actuator providing long life in harsh environments.

CMLA D Series Linear Actuator (8,900 N)

This design configurable 8900N linear actuator features safety clutch as standard to prevent overload damage. Equipped with 230/460VAC 3 phase AC motor combined with a wide selection of gears allows customized lifting speeds. IP66S degree of protection provides a quality sealed low maintenance actuator providing long life in harsh environments.

SCN50 Series Electric Cylinders (50 Ton)

Heavy Duty Linear Actuator SCN50 Series for linear positioning and lifting applications. Duff Norton SuperCylinder range offers industry its largest range of high capacity linear electric cylinders with either trunnion mount. Options include brake motors, positioning feedback,explosion proof limit switches - ATEX. Suited to a huge range of lifting, opening/closing and positioning applications.