Elevator safety system solution for new elevator installations
Description
Wittur ESG is a breakthrough safety system solution for new elevator installations.
Its reliable braking element is combined with the latest SIL3 position and speed detection and electromechanical gear activation: overspeed governor, tension device and rope loop are no longer needed, and more shaft space can be used for the car.
Advanced self-monitoring routines and automatic setup with shaft dimensions determination ensure a fast and easy installation and a reliable fail-safe system. Safety electronics also combine additional functions: UCM detection, absolute shaft encoder, door zone switch, shaft end switches. A backup battery is supplied in the electronic interface box to ensure operation also in case of power loss.
USP's
- Fast and easy installation
- Shaft efficiency: more space for car
- Component cost savings due to less components in the shaft: no Overspeed Governor, no Tension Weight, no Governor Rope Loop
- Maintenance cost savings due to absence of Overspeed Governor, Rope and Tension Weight
- Safety electronic car combine additional functions, such as UCM detection absolure shaft positioning, Door zone switch and Shaft end switches
- Compliant with EN 81-20/50
- ESG stopping and holding element compliant with EN 81-21 for reduced pit and headroom applications, substituting the hinged buffer in the shaft
| SG Type |
Load
on Safety [kg] |
max. Rated
Speed
[m/s] |
Guide Rail [mm] |
| ESG-17BS |
530 - 1.680 |
2,00 |
9 - 16 |
machined |
oiled/dry |
| ESG-25U |
500 - 2.500 |
2,00 |
9 - 16 |
machined |
oiled/dry |
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About us
Why choose us?
Shanghai Sunny Elevator Co., Ltd, founded in 1992, is a 30-year professional manufacturer specializing in designing and producting Opto-Electro-Mechanical products.
Sunny Elevator has started import and export since 2012.
We have experience in exporting all kinds of elevator parts and complete elevator to 80 countries all over the world.
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