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Composants de sécurité

Research for innovative solutions and rigid product quality control are key features of Wittur Safeties.
The product range includes uni- and bi-directional, instantaneous and progressive safety gears. 
Devices for ascending car overspeed protection are also available. The products are suitable both for new equipments or modernization. 

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WSGB13

Unidirectional progressive safety gear for mid and high rise applications

WSGB13

WSGB13 is a single-direction progressive safety gear applicable for mid and hig rise applications. 

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CSGB 01-02-03 - Uni-directionnel

Progressive Type Safety Gears

CSGB 01-02-03 - Uni-directionnel

CSGB 01 / 02 / 03 are progressive type safety gears. Braking force is generated through a combination of disc springs and braking elements always in pairs and activated by a movable tripping wedge. The braking force is adjustable by the disc spring assembly.

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SGA-I-70 - Uni-directionnel

One-Way Active Brake Pad for heavy duty applications

SGA-I-70 - Uni-directionnel

SGA-I-70: Unidirectional Instantaneous Safety Gear for heavy duty applications

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SGB 01-02-03-05 - Uni-directionnel

Unidirectional progressive safety gears for medium speed

SGB 01-02-03-05 - Uni-directionnel

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WCWSG 01-02-03-05 - Uni-directionnel

Unidirectional progressive safety gear for counterweight frame application

WCWSG 01-02-03-05 - Uni-directionnel

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WCWSG10 - Uni-directionnel

Unidirectional progressive safety gear for counterweight frame application

WCWSG10 - Uni-directionnel

WCWSG10: Uni-directional progressive safety gear for high speed counterweight frame application
 

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WSGB10 - Uni-directionnel

Unidirectional progressive safety gear for high speed

WSGB10 - Uni-directionnel

WSGB10: Uni-directional progressive safety gear for high speed

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WSGB10 - Uni-directionnel

Unidirectional progressive safety gear for high speed

WSGB10 - Uni-directionnel

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OL20

Overspeed governor for machine room (MR) & machine room-less (MRL) lifts

OL20

OL20 is extremely compact, with a diameter of 180 mm only. When combined with the STW tension weight, it offers a lightweight combination for the commodity market range with maximized space efficiency, both for new installations and modernization of existing lifts, easy to handle and to install and coming at a very competitive cost

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Product Comparison Tool

  WSGB13 ESG-17BS ESG-25U BSG-25P CSGB 01/02/03 EBRA20 LADP SGA-I-70 SGB 01-02-03-05 WCWSG 01-02-03-05 WCWSG10 WSGB10
  WSGB13 ESG-17BS ESG-25U BSG-25P CSGB 01/02/03 EBRA20 LADP SGA-I-70 SGB 01-02-03-05 WCWSG 01-02-03-05 WCWSG10 WSGB10
  Up to 12,50 m/s Up to 2,0 m/s Up to 2,0 m/s Up to 2,00 m/s Up to 3,50 m/s Up to 2,00 m/s Up to 1,88 m/s Unidirectional Up to 3,5 m/s Up to 3,5 m/s Up to 8,00 m/s Up to 8,00 m/s
Direction Unidirectional Bidirectional Unidirectional Bidirectional Unidirectional Bidirectional Bidirectional   Unidirectional Unidirectional Unidirectional Unidirectional
Min. Rated Speed (m/s) 4 0,15 0,15 0,15 0,15 0,15 0,15 1,00 m/s 0,15 0,15 2 2
Max. Rated Speed (m/s) 12,5 2 2 2 3,5 2 1,88   3,5 3,5 8 8
Max. Tripping Speed (m/s) 14,6 2,4 2,63 2,5 4,45 2,63 2,16 7400 4,89 4,89 10,5 10,5
Min. Mass to be gripped (kg) 2.800 530 500 584 575 - 717 51908 500 500 1500 1500
Max. Mass to be gripped (kg) 10.000 (Duplex 19.231 kg) 1.680 2.500 2.550 5.500 - 4641 - 9200 - (SGB03 - Duplex 17.692 kg) 9.200 (SGB03 - Duplex 17.692 kg) 5000 (duplex 9.500 kg) 5000 (duplex 9.500 kg)
Min. Rated Load (kg) - - - 225 - 200 225 - - - - -
Max. Rated Load (kg) - - - 1.100 - 2200 2500 - - - - -
UCM Brake/EN 81-21 stopping gear - YES NO YES - YES - - - - - -
Guide Rail Blade (mm) 15,88 - 16 - 19 - 29 - 32 9 - 16 9 - 16 9 - 16 9 - 16 7 - 19 8 - 16 - 8 - 32 8 - 32 16 - 19 16 - 19
Guide Rail Conditions (*) MD MO | MD MO | MD MO | MD | DO | DD MO | MD | DO | DD MO | MD | DO | DD MO | MD | DO | DD - MO | MD | DO | DD MO | MD | DO | DD MD MD
EN 81-20/50:2014 X X X X X X X - X X X X
GOST R 53870-2010 - - - X X - - - X X X X
GB 7588 X - - X X - - - X X X X
KOREA - - - - - - - - X X X X
ASME A17.1 X - - - X - -   X X X X
* MO = Machined Oiled
  DO = Drawn Oiled
  MD = Machined Dry
  DD = Drawn Oiled