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Passnger material hoist Construction Elevator Parts safety Device brake Saj40-1.2, Saj30-1.2

SAJ30-1.2/SAJ40-1.2

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Description

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Reliable good performance Construction hoist safety device Saj40-1.2, Saj30-1.2

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Description

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# Construction hoist safety device is also called anti-falling device.
# It is a protection device keep the cage from falling. ??
# This Safety device will act when the speed exceed the set speed, and immediately stop the cage from falling.
# We have been use this in our hoist for many years. It is very safe.
# We offering different specification safety device for different capacity and different speed.
# The most commonly used specification is SAJ30-1.2,SAJ40-1.2,SAF40-1.4.

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Technical Data

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Safety Device Model | SAJ20-1.2 | SAJ30-1.2 | SAJ30-1.2A | SAJ30-1.4 | SAJ30-1.6 | SAJ40-1.2 | SAJ40-1.4 | SAJ40-1.6 | SAJ40-1.2A | SAJ40-2.0 | SAJ50-1.2 | SAJ50- |
2 |
Rated brake load / kn | 20 | 30 | 40 | 50 |
Rated braking speed / m/s | 1.2 | 1.4 | 1.6 | 1.2 | 1.4 | 1.6 | 1.2 | 2 | 1.2 | 2 |
Calibration operating speed / m/s | According to the provisions of JG121, to be defined by the target speed set-protective security operation start speed |
Anti-fall safety device weight kg | 35 | 36 | 35 | 50 | 56 |
With the outer diameter D1 of the Mouth | ￠150f9 | ￠140f9 |
Mounting hole diameter D2 indexing | ￠284 | ￠330 |
Mounting flange outer diameter D3 | ￠310 | ￠360 |
Installation hole diameter D4 | ￠15 | ￠17 |
Gear pitch diameter D5 | ￠120 | ￠96 |
Body length L | 257 | 315 | 257 | 352 |
Mounting flange thickness L1 | 27 | 33 |
Neck installation length L2 | 43 | 45 |
Tail length L3 release mechanism | None | 55 | None | 55 |
Axis from the rack dividing line L4 | ? | ? |
? | ? |
Gear template m, number of teeth z | No transition gear m＝8,z=15 | With transition gear, sun gearm=8,z=12,Transition gear m=8,z=16 |
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