OverviewThe TVM prefilter is a rotary coarse filtration unit designed to separate fibers and coarse particles from a primary air stream. A rotating flow-through screen (filter disc) captures coarse material while a fixed suction nozzle continuously cleans the filter medium. Extracted coarse particles are discharged to a secondary separator via a conveying fan.
Flow-through screen mesh advantages for coarse filtration- High air permeability for low pressure loss
- Selectable mesh sizes to match separated material
- Crisp separation performance for coarse fractions
- Simple, low-maintenance operation
Advantages of the LTG TVM pre-filter- Regenerative cleaning principle with continuous suction nozzle
- Stable extraction performance without pressure fluctuations
- Space-saving disk design and compact footprint
- Optimized face velocity through precise sizing to total airflow
- Drive elements protected from heavy soiling; installation on clean-gas side for easy access
- Quick replacement of filter medium
- Reduced pressure loss through optimized flow routing
- Antistatic and ATEX-compliant versions available
Technical data (table)Type | Conveying Media Temperature [°C] | Diameter of Filter Disc [mm] | Air Volume [m³/h] | Motor output [kW]
TVM CDF | +5 to +200 | 1 400 | 13 000 - 35 000 | 0.12
TVM 15 | +5 to +200 | 1 500 | 15 000 - 40 000 | 0.25
TVM 20 | +5 to +200 | 2 000 | 20 000 - 70 000 | 0.25
TVM 25 | +5 to +200 | 2 500 | 50 000 - 135 000 | 0.25
Characteristics / technical specifications- Function: Coarse filtration with rotating filter medium and continuous cleaning by a fixed suction nozzle
- Filter medium: Flow-through screen meshes with selectable mesh sizes
- Design: Disk-shaped, compact; mounted on the clean-gas side for easy access
- Cleaning: Continuous, regenerative (no pressure fluctuations in the extraction system)
- Performance range: Examples from 13 000 m³/h up to 135 000 m³/h depending on type
- Temperature range: +5 to +200 °C
- Filter disc diameters: 1 400 mm to 2 500 mm depending on type
- Motor outputs (examples): 0.12 kW to 0.25 kW depending on type
- Options: Antistatic and ATEX versions available