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Nexen’s tension control brakes have high thermal capacities and long operating lives. They are designed to dissipate heat away from the unit. Multiple actuators allow for versatile, precise tension control. Simple connections make installation and maintenance easy.
Friction facings are easily changed with spring loaded retaining pins. The XTB has 2/3 less rotational inertia than other brakes, which can prevent early breakage in web tension applications. Three-stage individual caliper controls are also available and are compatible with Nexen web tension control systems. The advanced version has an option for drilled rotors, dual-stacked rotors offer more thermal capacity and forced cooling fans are also available.
Tension Control Brake Designed for High Thermal Constant Slip Operation and Highly Variable Torque
Tension Control Brake Designed for High Thermal Constant Slip Operation and Highly Variable Torque
Engagement Method
Air Engaged
Air Engaged
Braking
Holding, E-Stop, Continuous Slip
Holding, E-Stop, Continuous Slip
Mounting
Shaft Mount
Shaft Mount
Actuation Type
Multiple Calipers: Up to 9 Calipers Per Disc-Hub
Multiple Calipers: Up to 9 Calipers Per Disc-Hub
Hub
Keyed Female Through Bore
Keyed Female Through Bore
Available Hub Bore Diameters
1.000 to 5.000 in, 25 to 127 mm
1.000 to 5.000 in, 25 to 127 mm
Unit Outer Diameter
17.25 to 29.93 in, 438.2 to 760.2 mm
(Dimension Includes Guard and Calipers)
17.25 to 29.93 in, 438.2 to 760.2 mm
(Dimension Includes Guard and Calipers)
Guarding
Guards are Available - Sold Separately
Guards are Available - Sold Separately
Finish
Powder Paint
Powder Paint
Maximum Speed
Up to 3,400 RPM
Up to 3,400 RPM
Note
Dual Rotor Units are Available For Additional Thermal Work Capacity.
Rotors are Available with Cooling Fins Optimized for Clockwise or Counterclockwise Rotation.
XTBA Rotors are Cross-Drilled for Even More Thermal Work Capacity than XTB Units.
Dual Rotor Units are Available For Additional Thermal Work Capacity.
Rotors are Available with Cooling Fins Optimized for Clockwise or Counterclockwise Rotation
Single ACTUATOR
S Brake Advanced
T
Brake Advanced
W1000
Sizes Available
450, 600, 800, 1000
450, 600, 800, 1000
1000
Max Dynamic Torque With All Calipers
Up to 331 Nm [2,933 in-lbs]
Up to 331 Nm [2,933 in-lbs]
Up to 339 Nm [3,000 in-lbs]
Max Brake Continuous Thermal Dissipation
Up to 4.1 kW [5.5 hp]
Up to 4.1 kW [5.5 hp]
Up to 6 kW [8 hp]
Purpose
Tension Control Brake Designed for Constant Slip Operation and Variable Torque
Tension Control Brake Designed for Constant Slip Operation and Variable Torque
Tension Control Brake Designed for Constant Slip Operation and Variable Torque
Engagement Method
Air Engaged
Air Engaged
Air Engaged
Braking
Holding, E-Stop, Cyclic Dynamic, Continuous Slip
Holding, E-Stop, Cyclic Dynamic, Continuous Slip
Holding, E-Stop, Cyclic Dynamic, Continuous Slip
Mounting
Shaft Mount
Shaft Mount
Shaft Mount
Actuation Type
Single Actuator
Single Actuator
Single Actuator
Hub
Keyed Female Through Bore
Keyed Female Through Bore
Keyed Female Through Bore
Available Hub Bore Diameters
1.000 to 2.938 in, 25 to 75 mm (Optional adapter bushings can reduce bore to as small as 0.500 in)
0.500 to 2.875 in, 13 to 73 mm
Accepts required customer-supplied taper bushings between the following sizes
2.938 in (Optional adapter bushings can reduce bore to as small as 0.500 in
Unit Outer Diameter
5.94 to 11.88 in, 151 to 302 mm
5.94 to 11.88 in, 151 to 302 mm
11.88 in, 302 mm
Guarding
Open, Guards Available - Sold Separately
Open, Guards Available - Sold Separately
Open, Guards Available - Sold Separately
Finish
Black Oxide
Black Oxide
Black Oxide
Maximum Speed
1,800 RPM
1,800 RPM
1,800 RPM
Note
Optional Additional Compressed Air Cooling
Optional Additional Compressed Air Cooling
Water Cooled for More Thermal Work Capacity
Required Components and Accessories for our Tension Control Brakes
Listed below are some of the Required Components and Accessories for Tension Control Brakes. Use the filters above to find the complete list of Required Components and Accessories on the product page.
Required Components
3-Way Valves
Caliper Assemblies
Facing Kits
Accessories
Guards
Torque Pin Brackets
Control Kits
Filters
Flow Control Valves
Lubricator
Mufflers
Quick Exhaust/Shuttles
Regulators
Restrictor Valves
Dancer Controllers
Diameter-Based Tension Controls
Load Cell-Based Tension Controls
Applications
Nexen's Tension Control Brakes are designed for the following applications:
Note: The technical data on this website is subject to change without notice. Please contact Nexen for help with your application, appropriate sizing, and configuration.
Multiple ACTUATORS
Multiple CALIPERS
Single ACTUATOR
T