Roller protection/valve bearing FV 20/35, locking torque 1126 Nm, torque (rpm) 22 rpm, shaft diameter Ø 30 mm Read more.
A roll-off protection functions as a normal bearing, on the other side of the roller shutter shaft than where the tube motor is mounted. If something in or on the tubular motor fails, the roller shutter will unwind at high speed, the roll-off protection intervenes and will block the Axle/Shaft, bringing the roller shutter to a halt.
- Rollover protection PV 20/35 is without electrical safety contact
- roll-down protection PV 20/35 E is with electrical safety contact
- maximum torque 361 Nm
- locking torque 1126 Nm
- torque (rpm) 22 rpm
- locking torque (rpm) 38-42 rpm
- shaft diameter Ø 30 mm
- fixing hole spacing 165 mm
- weight 3.1 kg
This roll-off guard FV 20/35 has been tested and inspected by the TÜV SÜD industry service and received the corresponding certification. They thus comply with European standards DIN EN 12604 / DIN EN 12605
(Issued Aug. 2000 ) and GS - BE - 04 (Issued Jan. 2001).
The roll-off safety guards have a damping system that considerably reduces the catching moment.
considerably.