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(patent no. : ZL 2009 10074424.1) The structure features of the compensator are

Because has the effect of the structure of high temperature gas was isolated from the rest of the two Spaces, the high temperature gas and cut off the compensator bellows, high temperature gas not to the surface of corrugated pipe parts, to ensure that the compensator bellows almost at room temperature (through the field measurement of corrugated tube surface temperature 45 ℃) work under the state, so compensator can reach a longer service life. Furthermore, even if local damage occurs after a long period of use of the expansion ring, only a small amount of high temperature gas in the expansion ring and the bellows between the aluminum silicate fiber insulation layer to reach the bellows, its impact can be basically ignored. Therefore, this telescopic ring seal high temperature compensator can be used in 1300℃ for a long time, this compensator is simple in structure, good in use, has been used in many steel companies recognized.