Roller backstop / irreversible
8 Nm (5.9 ft.lb), 15 Nm (11.06 ft.lb), 48 Nm (35.4 ft.lb), 100 Nm (73.76 ft.lb)
35 mm, 25 mm, 16 mm, 12 mm
The IRS series is a unit manufactured by Ringspann company. It is an irreversible lock with a bidirectional acting backstop for assembly incorporated with rollers and connecting parts. The units are ready for installation with a nominal torque of up to 100 Nm and a bore diameter of up to 35 mm. With the IR, it is possible for the driving part to drive the shaft in both directions of rotation on which it transmits torques from the driving or driven side in only one direction of rotation. However, the unit has locking action against any reverse torque coming from the driven part.