LBH - Suction systemAT-OTH-LBH-2002-00001

• Return air/exhaust air (technical data):

  • Duct cross-section: 700 x 700 mm

  • Return air velocity: 7.5 m/s

  • Exhaust air velocity in workshop: <0.5 m/s

  • Sound pressure at 3 m from exhaust outlet (summer operation): 55 dB(A)

• Extraction fan:

  • Design: Belt-driven radial fan (impeller statically/dynamically balanced)

  • Type: VSR-080-0450-K

  • Motor power: 22 kW

  • Airflow: 13,750 m³/h

  • Total pressure: 3000 Pa

  • Main pipe diameter (fan side): 450 mm

  • Extraction speed: 24 m/s

  • Sound pressure at 3 m: 78 dB(A)

• Intermediate filter system:

  • Filter media: Polyester needle-felt hoses

  • Cleaning: 2 vibrating motors, each 180 W / 3,000 min⁻1

  • Filter area: 155 m²

  • Filter area load: 88 m³/h per m²

  • Residual dust in clean air: <0.2 mg/m³

  • Application categories: U, S, G

  • Installation: Outdoors with galvanized weather protection cladding

  • Drives: Gear motor for screw conveyor 0.55 kW; gear motor for sluice (rotary valve) 0.55 kW

• Pipe system (technical data):

  • Main chip extraction pipe: Ø459 mm

  • Air velocity at extraction points: 22–26 m/s

Additional equipment

• Ducting and safety:

  • Galvanized return/exhaust air ducting

  • Tested K90 fire damper at wall penetration

• Controls/automation:

  • Frequency converter (VFD) in switch/control cabinet for variable air volume

• Vibration/noise isolation:

  • Fan mounted on vibration dampers

  • Suction- and pressure-side compensators

• Filter discharge and handling:

  • Screw conveyor (discharge screw) with worm gear drive

  • Rotary valve (sluice) with rubber sealing elements; sprocket/chain drive

  • Chip collection container (under filter discharge)

• Protection and safety systems:

  • Extinguishing line with blast nozzles, routed outside and downwards, terminating with C-coupling

  • Bursting devices (explosion relief) per VDI 3673

• Piping and connection hardware:

  • Galvanized piping network with pipes, elbows, branches, clamps

  • Transitions/sleeves to machines

  • Flexible extraction hoses with hose clamps

  • Galvanized shut-off valves for unused extraction points