Anordning för montage av ventilationskanaler och filter med filterhållare samt metoder i samband med montage och byte av filter

摘要

PCT No. PCT/SE94/00833 Sec. 371 Date Mar. 11, 1996 Sec. 102(e) Date Mar. 11, 1996 PCT Filed Sep. 8, 1994 PCT Pub. No. WO95/08084 PCT Pub. Date Mar. 23, 1995A ventilation plant comprising fans for distribution of intake air and exhaust air in branch ducts having openings for the intake air and exhaust air. Tubular filters are sealingly attached to the openings and create a pressure drop of about 200 Pascal, which filters at flow velocities adjusted to about 2-5 m/s are acting also as throttling and sound damping devices of the plant.