Description
Extraction and Filter System 
filter line with hose filters 
modular construction made of a steel sheet construction  
cleaning of the hose filters by vibrating motor 
with rotary valve, with return air guidance 
with inspection platform and ladder 
air flow quantity 44.000 m³/h
pressure loss 1000 Pa
filter surface area 400 m²
filter surface loading 110 m³/m2h
filter material Polyester needle felt
residual dust content 5 mg/m³
rotary gate valve KS 410/230
delivery volume 12 m³/h at 30 % filling level 
inlet / outlet 410 x 230 mm
height 400 mm
gear motor drive 1,5 kW
4 transport fans each approx. 20 – 30 kW
air recirculation consisting of:
clean air duct with secondary filter made of 3 mm steel sheet complete 
Mit Sekundärfiltereinlage Klasse EU7
dimensions  1500 x 7500 x 800 mm
return air duct made of galvanized steel sheet consisting of: 
10 channels 1200 x 800 x 2000 mm long, with bows
with fire protection flap 
heat insulation 160 m² for all external pipes and ducts 
50 mm thick with galvanized steel sheet cover 
filter box dimensions: l 2500 mm x w 1500 mm x h 4500 mm