SAJ serials pinion and cone progressive safety devices are used in rack and pinion hoist, Working platform and mast climber.
It can brake the cage when the down running speed exceeds preset speed.

Rated braking load: 60KN
Rated braking speed: 1.0~2.0m/s
Standard action speed: According to hoist rated lifting speed and user requirements
Weight: 56kg Pinion parameter: M8Z15 or M5Z20

The production of this product conforms to EN12159, EN12158, EN1495, GB26557-2011, JG121-2000.

We are a professional manufacturer in safety device, below is the one department in our factory.

We use professiona equipments to test and calibrate the safety device.

Here are several ready goods in our factory.

Photos of the safety device fixed in the construction hoists.