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WPT® Low Inertia Brakes (LIB) are well suited for high cycle and tension control applications, such as steel shears and unwind stands. The LIB utilize a ventilated design to optimize the airflow in and out of the brake. This increased airflow allows the brake to run cooler in high cycle applications. WPT®'s Low Inertia Brakes are available in 1, 2, or 3 plate configurations with sizes ranging from 6 through 60 inches.
Low Inertia Brakes
Low Inertia Brakes - 2
Unit of Measure
1 2 

Item #

Item Name

Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure

Maximum Speed Hub and Center Plate (CP)

Maximum Slip Speed

Minimum Bore Range

106-LI N/A 510 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 4520 lbf·in510 N·m N/A 5290 rpm N/A 3530 rpm N/A 0.88 in22.4 mm
206-LI N/A 1020 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 9030 lbf·in1020 N·m N/A 5290 rpm N/A 3530 rpm N/A 0.88 in22.4 mm
108-LI N/A 845 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 7480 lbf·in845 N·m N/A 4300 rpm N/A 2870 rpm N/A 0.94 in23.9 mm
208-LI N/A 1690 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 15000 lbf·in1690 N·m N/A 4300 rpm N/A 2870 rpm N/A 1.13 in28.7 mm
111-LI N/A 1900 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 16800 lbf·in1900 N·m N/A 3130 rpm N/A 2090 rpm N/A 1.25 in31.8 mm
211-LI N/A 3790 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 33600 lbf·in3790 N·m N/A 3130 rpm N/A 2090 rpm N/A 1.25 in31.8 mm
311-LI N/A 5690 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 50300 lbf·in5690 N·m N/A 3130 rpm N/A 2090 rpm N/A 1.25 in31.8 mm
114-LI N/A 3190 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 28300 lbf·in3190 N·m N/A 2460 rpm N/A 1640 rpm N/A 1.50 in38.1 mm
214-LI N/A 6390 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 56500 lbf·in6390 N·m N/A 2460 rpm N/A 1640 rpm N/A 1.88 in47.8 mm
314-LI N/A 9580 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 84800 lbf·in9580 N·m N/A 2460 rpm N/A 1640 rpm N/A 1.88 in47.8 mm
116-LI N/A 4390 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 38900 lbf·in4390 N·m N/A 2150 rpm N/A 1440 rpm N/A 2.13 in54.1 mm
216-LI N/A 8780 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 77700 lbf·in8780 N·m N/A 2150 rpm N/A 1440 rpm N/A 2.13 in54.1 mm
316-LI N/A 13200 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 117000 lbf·in13200 N·m N/A 2150 rpm N/A 1440 rpm N/A 2.13 in54.1 mm
118-LI N/A 7330 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 64900 lbf·in7330 N·m N/A 1950 rpm N/A 1300 rpm N/A 2.25 in57.2 mm
218-LI N/A 14700 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 130000 lbf·in14700 N·m N/A 1910 rpm N/A 1280 rpm N/A 2.25 in57.2 mm
318-LI N/A 22000 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 195000 lbf·in22000 N·m N/A 1950 rpm N/A 1300 rpm N/A 2.75 in69.9 mm
121-LI N/A 10500 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 93300 lbf·in10500 N·m N/A 1640 rpm N/A 1100 rpm N/A 2.75 in69.9 mm
221-LI N/A 21100 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 187000 lbf·in21100 N·m N/A 1640 rpm N/A 1100 rpm N/A 2.75 in69.9 mm
321-LI N/A 31600 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 280000 lbf·in31600 N·m N/A 1680 rpm N/A 1120 rpm N/A 2.75 in69.9 mm
124H-LI N/A 18600 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 165000 lbf·in18600 N·m N/A 1430 rpm N/A 955 rpm N/A 2.75 in69.9 mm
224H-LI N/A 37300 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 330000 lbf·in37300 N·m N/A 1430 rpm N/A 955 rpm N/A 2.75 in69.9 mm
324H-LI N/A 55900 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 495000 lbf·in55900 N·m N/A 1430 rpm N/A 955 rpm N/A 2.75 in69.9 mm
227-LI N/A 41900 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 371000 lbf·in41900 N·m N/A 1270 rpm N/A 850 rpm N/A 3.25 in82.6 mm
327-LI N/A 62800 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 556000 lbf·in62800 N·m N/A 1270 rpm N/A 850 rpm N/A 3.25 in82.6 mm
230H-LI N/A 78200 Newton Meter (N·m) Static Torque Rating at 100 Pound per Square Inch (psi) (7 bar) Pressure Low Inertia Brake N/A 692000 lbf·in78200 N·m N/A 1150 rpm N/A 770 rpm N/A 3.50 in88.9 mm
Unit of Measure
1 2