D-VE 500
Pneumatic Retraction Unit
Pneumatic retraction unit for automatic insertion and retraction of ignition lances and ignition devices.
Overview
- Automatic insertion and retraction of ignition lances
- Compressed air drive
- Direction change with solenoid valve
- Speed control
- Non-contact limit switch
- For use with ignition deviceses D-HG 400-50/D-HG 500-50 or rigid ignition lances, e.g. D-ZL 441Ex for hazardous area applications
- Available stroke lengths: 300, 400, 500 and 600mm
- Pressure-tight and/or explosion protected models also available
- Operational overpressure up to 10 bar
Applications
- Power stations
- Chemical industry
- Refineries
- Cement plants
- Waste incinerators
- Steam generators
- Heating plants
- Claus plants
Technical Data
| Max perm. pressure of instrument air | 10 bar |
| Max. ambient temperature | -5...+50°C |
| Sheer force at 6 bar | 1870 N |
| Retraction force at 6 bar | 1682 N |
| Weight (approx.) | 300 mm stroke: 9.0 kg 400 mm stroke: 11.0 kg 500 mm stroke: 12.5 kg 600 mm stroke: 14.0 kg |
| Electric control | 24 VDC or 115/230 VAC |
| Protection | IP65 |
| Display | LED |
| Ex- protection limit switch NAMUR (optional) | II 2 G Ex ia IIC T4...T6 |
| Ex-solenoid valve (optional) | II 2 GD Ex m II T5 |
Accessories
Terminal box for connecting solenoid valve and limit switch:
- IP66 (normal environment)
- IP65 (explosion protected model) Ex-protected: II 2 G Ex e ia IIC T6
Weather protection hoods
- for 300mm stroke
- for 400mm stroke
- for 500mm stroke
- for 600mm stroke