Since 1977 Wittur supplies the lift industry with versatile and high-quality doors.
Since 1977 Wittur has been providing the lift industry with versatile and high-quality doors. More than 30 years later Wittur is the leading company in the lift doors segment, with state-of-the-art technical solutions and unparalleled product range. Regardless of whatever your lift requires - a round door with panoramic panels rather than a straight or a folding one - Wittur can supply the best solution for your needs.
As características chaves dos sistemas de segurança Wittur são a investigação de soluções innovadoras e o control de qualidade do producto. Os limitadores de velocidade Wittur podem cobrir uma ampla gama de cargas e velocidades nominais, e podem sem aplicados tanto em máquinas roomless com em instalações tradicionais. Nossos limitadores de velocidade podem ser ativados em qualquer ponto do perímetro da polia e garantem seu longo prazo devido ao desgaste limitade da polia.
Wittur offers a wide range of car and counterweight frames. Modularly conceived, these components are very flexible in terms of rated load, height and width. The wide range of accessories includes safety gears, suspension pulleys, compensation chain and travelling cable hangers, allowing configurations suitable for different shaft layouts, lift designs and rated speeds. Wittur can also supply special frames for tailored projects.
Investigação para soluções inovadoras e produtos de controle de qualidade são a chave da segurança da Wittur. A gama de produtos incluem paraquédas instantâneos e progressivos uni e bi-direcionais
According to EN81-1/2 A3 and EN81-21 A1 (new lifts in existing buildings), new lifts installed after January 1st 2012 must be equipped with a system to prevent a car moving away from the floor with the landing door not in the locked position and the car door not in the closed position.
Since 1977 Wittur supplies the lift industry with versatile and high-quality doors..jpg)
Since 1977 Wittur supplies the lift industry with versatile and high-quality doors.
Tyler produces both standard and custom entrances in a large variety of shapes, materials and finishes in order to meet any customer and architectural need. 
According to EN81-1/2 A3 and EN81-21 A1 (new lifts in existing buildings), new lifts installed after January 1st 2012 must be equipped with a system to prevent a car moving away from the floor with the landing door not in the locked position and the car door not in the closed position.
A UCM solution can be certified as a system (type examination certificate) or composed by tested components.
The UCM unit shall detect unintended movement of the car, shall cause the car to stop and keep it stopped.
WITTUR innovative and unique UCM solution brings together EOS - Wittur’s advanced electronic overspeed governor (EOS) with a variety of ancillary safety equipment.
EOS, through its multi-channel sensors, accurately measures position, speed and acceleration, to trigger the safety gear, machine brake or emergency brake faster and stop car movement before it reaches a potentially harmful distance or speed.
EOS, in contrast to the usual overspeed governors on the market (Lach-type), triggers from any position, whereby the load on people and material are significantly reduced. Another advantage of EOS is the quiet running characteristic.
A UCM solution can be certified as a system (type examination certificate) or composed by tested components.
The UCM unit shall detect unintended movement of the car, shall cause the car to stop and keep it stopped.
WITTUR innovative and unique UCM solution brings together EOS - Wittur’s advanced electronic overspeed governor (EOS) with a variety of ancillary safety equipment.
EOS, through its multi-channel sensors, accurately measures position, speed and acceleration, to trigger the safety gear, machine brake or emergency brake faster and stop car movement before it reaches a potentially harmful distance or speed.
EOS, in contrast to the usual overspeed governors on the market (Lach-type), triggers from any position, whereby the load on people and material are significantly reduced. Another advantage of EOS is the quiet running characteristic.
- Applicable for Lifts according to LD 95/16/EC, EN81-1 A3, EN81-21 A1 and EN81-80 (SNEL).
- Safety system type tested against Unintended Car Movement: UCM Solution according to EN81-1 A3.
- Simplified placing on the market by system certificate A3.
- Accurate position and speed measurement.
- UCM distance and speed set and sealed by the factory: easy installation, no adjustment required.
- Self-monitoring system with completely redundant design for faultless operation.
- Electronic interface including all necessary components for autonomous operation of EOS; no modification of lift controller required.
Protecção Contra Movimentos Incontrolados da Cabina
EOS / BSG25-P
Esta solução consiste num limitador de velocidade electrónico EOS e um paraquedas progressivo bidireccional BSG-25P
- Compativel tanto para novas instalações como para modernizações
- Distancia de disparo programado e fixado desde fábrica
- A função do UCM pode-se activar ou desactivar através da manobra
- Precisa medição do posicionamento
- Sistema de automonitorização
LEIA MAIS
UCM solution #2
EOS with gearless drive
- EOS + Gearless drive + Electronic interface.
- Max. rated speed 3,5 m/s
- Max. rated load: 4000 kg
- Max. travelling height: 120 m
- EOS monitoring of car level, speed and acceleration.
- EOS triggers the machine brake after a predefined distance from floor level or after exceeding a predefined speed: fast intervention times and fast tripping after detection.
- Electronic interface independent from lift controller.
- Applicable for advanced door opening and releveling.
- Smart integrated UPS in case of power outage.
LEIA MAIS
UCM Solution #3
EOS with EBRA20-UCM
- EOS + EBRA20-UCM + Electronic interface.
- Max. rated speed 2,0 m/s
- Total mass P+Q 2000 kg
- Max. travelling height: 120 m
- EOS monitoring of car level, speed and acceleration.
- EOS triggers the safety gear after a predefined distance from floor level or after exceeding a predefined speed:
- fast intervention times and fast tripping after detection.
- Electronic interface independent from lift controller.
- Applicable for advanced door opening and releveling.
- Smart integrated UPS in case of power outage.
LEIA MAIS
UCM Solution #4
GLD frequency inverter with gearless drive brake
- GLD frequency inverter + Gearless drive
- Max. rated speed 3,5 m/s
- Total mass P+Q 4000 kg
- Max. travelling height: 120 m
- Integrated electronic interface independent from lift controller.
- Not applicable for advanced door opening and releveling.
- No UPS or additional equipment required.
LEIA MAIS
HYDRAULIC DEVICE AGAINST UNINTENDED CAR MOVEMENT
HDU Safety Device
TÜV NORD certified according to EN81-2:1998+A3:2009
Safety system against uncontrolled car movement away from the landing position for new and existing hydraulic lifts
HDU is available integrated and stand-alone unit
- Based on the concept of redundancy with valves operating in series
- Available in "kit modernization" for installation on existing valves, even different from Wittur
- Compact package; all current applications in cabinet are guaranteed
- Quick and easy; no additional operations by the installer required
LEIA MAIS
Grupo Wittur
componentes de elevadores
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