SAJ40-1.2anti-falling safety device of construction elevator gear cone drum gradual anti-falling safety device commonly used in typical specifications, is a method of preventing construction lift cage or counterweight protection target falling by gear, centrifugal speed limiting device, cone progressive type brake system 's gradual anti-falling safety device.
Product executive standard: JG121-2000
The main properties of SAJ40-1.2parameters:

Installation parameter: