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.
Research for innovative solutions and rigid control of product quality are key features of Wittur Safeties. 
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.
Research for innovative solutions and rigid product quality control are key features of Wittur Safeties.
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.
LM Liftmaterial, a Wittur brand, acts as OEM supplier of complete systems, with a team of highly-qualified professionals with excellent know-how in engineering and logistics. LM Liftmaterial does not sell directly to end users, does not install and does not provide any maintenance service. The typical LM customers are installation companies; LM provides engineered solutions, pre- and after sales and logistics support; the customers take care of installing and servicing the lifts.
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. 
ECO BUS is the light car door with reduced overall dimensions; it is an ideal solution in case of lift modernization in residential buildings with limited weight and space and is normally coupled with swing landing doors.
Features
Options
(*) Mandatory for car door lock
(**) Available only for EN81-20/50 norms
● Included ○ Not included
Drives
BUS car door is available with ECO PLUS drive.
Features
- Ideal for the modernization of existing elevators with manual car door and swing landing doors
- Compliant with EN 81-20/50 (option)
- Car door lock available as option
- Speed can be adjusted according to disabled people rules
- Reduced weight and overall dimensions
- Integrated mechanical release system for swing landing doors
- High reliability and performance with ECO+ drive
- New bottom shoes design to use 100% of the existing clear opening
- Easy installation and speed adjustment
- Simple interface to existing elevator controllers
- Small and big vision panels available as option
- New and patented sill design
- Simple maintenance
Options
| OPTIONS | |
| Operator with ECO+ drive | ● |
| Mechanical release (parallel or perpendicular) short angle | ● |
| Mechanical release (parallel or perpendicular) long angle | ○ |
| Car door lock (mandatory for EN81-20/50 norms) | ○ |
| Shaft vane unit (one for each floor)(*) | ○ |
| Emergency opening device (*) | ○ |
| Prewiring | ○ |
| Door drive control unit on car roof (**) | ○ |
| Panels | ● |
| Standard Glass window (**) | ○ |
| Big Glass window (**) | ○ |
| Panel Hanging Bolts Kit | ● |
| Panel Shoes Kit | ● |
| Prominent mounted without support | ○ |
| Sill support | ○ |
| Sill fixation | ○ |
| Double Ramp & Double Ramp Fixing | ○ |
| Galvanized toe Guard [h:750mm] | ○ |
| St. Steel AISI 304 Scotch Brite toe Guard [h:750mm] | ○ |
| Fixing Brackets / Top & Bottom | ● |
| Fixing Kit for Toe Guard | ○ |
| Instruction Manual | ● |
| Panels / RAL 7032 Painted | ● |
| Panels / St. Steel / Scotch Brite AISI 441 | ○ |
| Panels / St. Steel / Scotch Brite AISI 304 | ○ |
| Panels / St. Steel / Brushed AISI 441 | ○ |
| Panels / St. Steel / Brushed AISI 304 | ○ |
(*) Mandatory for car door lock
(**) Available only for EN81-20/50 norms
● Included ○ Not included
Drives
BUS car door is available with ECO PLUS drive.
| ECO + | |
| Drive | 3-phase Vector control |
| Power Supply | (127V;2A ) ±20% Univ. (230V;1A) ±20% 50/60 Hz |
| Class protection | IP20 |
| Maximum movable masses (car and landing door panels) | 130 kg |
| Car door lock (Optional) | Available |
| Self-learning | Available |
| Protective device - Power supply | 24V DC+ 10% 150 mA |
| Emergency battery drive | 18-26 VDC max 5A |
Configurations
| Code | Series | Door Type | Illustration | Clear opening min. (mm) | Clear opening max. (mm) | Clear height min. (mm) | Clear height max. (mm) |
| BUS | 3411 | ECO BUS Flat version |  |
500 | 1100 | 2000 | 2100 |
