Wittur Tools
Unidirectional progressive safety gear for counterweight frame application

WCWSG10 - Uni-directional

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

Description

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

Uni-direction progressive safety gear applicable for mid and high rise applications. Superb solution for car but also counterweight frame installation (modernization packages available). Brake pads from the automotive industry prevent wear on guide rails. Available for many global major elevator norms and directives.

USP's:
  • Safety gear acting in downward direction
  • Constant brake force generated by preloaded disk springs
  • Steady deceleration along whole braking distance
  • Designed to avoid wearing marks to guide rail
  • Several options for different applications are available
  • Wide range of options available as safety gear housing, synchronization linkage, governor rope fixing or safety switch

Technical sheet

  Up to 8,00 m/s
Direction Unidirectional
Min. Rated Speed (m/s) 2,00
Max. Rated Speed (m/s) 8,00
Max. Tripping Speed (m/s) 10,50
Min. Mass to be gripped (kg) 1.500
Max. Mass to be gripped (kg) 5.000 (duplex 9.500 kg)
Min. Rated Load (kg) -
Max. Rated Load (kg) -
UCM Brake/EN 81-21 stopping gear -
Guide Rail Blade (mm) 16 - 19
Guide Rail Conditions (*) MD
EN 81-20/50:2014 X
GOST R 53870-2010 X
GB 7588 X
KOREA X
ASME A17.1 X
* MO = Machined Oiled
  DO = Drawn Oiled
  MD = Machined Dry
  DD = Drawn Oiled
bnr-wittur-wcwsg-10-speed-load-graphic