AF type flange sleeve expansion joint is composed of a main body, slip ring, pressing component loose pipeline connecting device. Mainly used for the absorption of displacement, and cannot bear the pressure thrust compensation joint.

 

Working principle: sleeve expansion joint is arranged on the pipeline, tighten the nut elastic Capsule Slip Rings, the nut cover under the action of depend on mutual inclination, pressing the Miniature Slip Rings and connecting pipe. When the temperature changes in the middle of the joint pipe can be freely telescopic, when the foundation sink, the pipe can skew, and to ensure that the sealing without leakage, so that the purpose of automatic compensation.