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.
Las características clave de los dispositivos de seguridad Wittur son la investigación de soluciones innovativas y el férreo control de la calidad del producto. Los limitadores de velocidad Wittur cubren una extensa gama de cargas y velocidades nominales, y pueden aplicarse tanto en ascensores sin cuarto de máquinas como en instalaciones tradicionales. Nuestros limitadores de velocidad se pueden activar en cualquier punto del perímetro de la polea y garantizan su larga vida útil debido al desgaste limitado de la polea.
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.
Los factores clave de los dispositivos de seguridad Wittur son la investigación continua para ofrecer soluciones innovadoras y un férreo control de calidad del producto.
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.
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- for fast elevators with an excellent ride comfort (suspension 1:1 up to 12 m/s)
- high performance up to 9,800 kg rated load (2:1)
- solid construction for permissible shaft loads at the traction sheave up to 520 kN
- high efficiency, reduced power consumption, extremly low-noise level, excellent ride comfort
- safety brake system with electro-magnetical release, manual release as an option, contacts for brake control
- EC type-examination certificate according to EN 81-20/50, can be used for UCM solution
- synchronous motor, 20-pole, with high efficiency permanent magnets, insulation class 155 (F), low noise ventilation
- variable options regarding voltage, speed, torque, measuring system and traction sheave paramenters
- rope tension in all directions
