Extn. filter for flue gas flow analysis - comprises safety filter in filter body with rod and cover, for max safe compact appts. operation

摘要

Filter has a hollow cylindrical filter body (1) with covers (2, 3) at the ends, held together by a rod (4) passing through the body. The rod has an internal bore (6) which opens into the cylinder interior (5) through a transverse hole (7) at one end. The other end leads through a cover (3) as opening (10) into the extn. tube (12). An axial safety filter (8) is in the bore, with housing (9) screwed to the rod (4) and cover (3). ADVANTAGE - Max. operating safety in compact appts.