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.
Onderzoek naar vernieuwende oplossingen en een strenge controle op kwaliteit zijn de hoofd kenmerken van de Wittur veiligheden, Wittur snelheidsbegrenzers kunnen worden toegepast bij een groot bereik van hefvermogens en snelheden.Ze kunnen toegepast worden bij zowel machinekamerloze liften als bij de normale liften. Onze snelheidsbegrenzer kan op elk willekeurig punt langs de omtrek van de schijf worden aangesproken. Door gelimiteerde slijtage aan de schijf kan een lange levensduur worden gegarandeerd.
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.
Onderzoek naar vernieuwende oplossingen en een strenge controle op kwaliteit zijn de hoofd kenmerken van de Wittur veiligheden,
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.
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.
They have a simple and compact design for easy installation in different positions on car slings or counterweight frames.
Product highlights
- Down direction
- Versatile installation: can be installed either in a separate housing or on the vertical beam of the car sling or of the counterweight frame
- Low release force from gripped situation
- Sufficient running clearance in order to avoid unintended gripping
- Maintenance-free operation
- Complete traceability of the production of main components from raw material to final product with coding system stamped to the parts to enhance safety standard
- Can be applied to all kinds of guide rails and conditions (oiled, dry, machined, drawn)
- Very high safety factor which exceeds EN 81 rules
- Compliant with requirements of Lift Directive and EN 81-20/50:2014
- 100% tested and checked at factory
Technical Features
| max. elevator speed [V max] CSGB 01 | 2,37 m/s (drawn) 2,63 m/s (machined) |
| min. mass to be gripped [Fmin] CSGB 01 | 575 kg |
| max. mass to be gripped [Fmax] CSGB 01 | 2.700 kg |
| max. elevator speed [V max] CSGB 02 | 3,55 m/s (machined) |
| min. mass to be gripped [Fmin] CSGB 02 | 1130 kg |
| max. mass to be gripped [Fmax] CSGB 02 | 3500 kg |
| max. elevator speed [V max] CSGB 03 | 3,83 (drawn) 4,45 m/s (machined) |
| min. mass to be gripped [Fmin] CSGB 03 | 2650 kg |
| max. mass to be gripped [Fmax] CSGB 03 | 5500 kg |
| width of guide rail head [k] | 9 / 10 / 15,88 /16 mm |
| max. activating force of the governor | 2100 N |
| temperature during operation | -5 ... +55°C |
| temperature during storage | -40 ... +70°C |
| max. air humidity | 95% / +25°C 93% / +40°C |
