Finer Power torque Limiter Spring RTL89-SPRING

This is a springs for the RTL50, RTL65, RTL89, RTL127 and RTL178 torque limiters. The spring is the disc spring that loads the friction surfaces, and the slip torque is set by tightening or loosening the adjusting nut or bolts, which changes the spring force.

Where this product is used

• Replacing a damaged or fatigued spring in an RTL series torque limiter
• Restoring the slip torque of a limiter that has lost its setting
• Servicing torque limiters on conveyors, mixers and feeders
• Keeping a spare spring for critical drives

Features

• Disc spring for RTL50 to RTL178 torque limiters
• Sold singly, with one part number for each of the 5 sizes
• Spring force sets the slip torque through the adjusting nut or bolts
• Service part for installed torque limiters

Key specifications

Sizes available

Choosing the right option

The complete limiters are under Torque Limiter, RTL50 to RTL178, 8 to 64mm Bore, 0.3 to 111 kgf-m. Choose the spring by the limiter size: RTL50, RTL65, RTL89, RTL127 or RTL178. The centre member is the sprocket, pulley or plate, supplied by you, that runs between the friction facings.

After fitting a spring, reset the slip torque with the adjusting nut or bolts: on RTL50 to RTL89 turn the nut tight by hand and then about 60 degrees more with a wrench, and on RTL127 and RTL178 tighten each adjusting bolt evenly. The friction disc is under Torque Limiter Friction Disc, Suits RTL50 to RTL178 and the bush under Torque Limiter Bronze Bush, 30 to 105mm OD, Suits RTL50 to RTL178.

Springs are sold singly, so order the number your limiter needs.