Gas seal for blast furnaces and shaft furnaces comprises compensating bellows with flange on its inner end fastened to flange on coolant pipe sleeve by clamp, outer end having threaded ring welded to it which screws on to coolant pipe

摘要

Gas seal for blast furnaces and shaft furnaces comprises a compensating bellows (16) with a flange (10) on its inner end which is fastened to a similar flange (9) on the coolant pipe sleeve (7) by a clamp (14). The outer end has a threaded ring (17) welded to it which screws on to the coolant pipe (5).