Pipe connecting piece with inner and outer shells for pipelines has inner shell connected at second end to support part for side surface of first sealing ring

摘要

The pipe connecting piece gas an inner shell (20) and an outer shell (25). The inner shell is connected at its second end (22) to a support part (26) for the side surface of the first sealing ring (23). A pressure ring (27) is located between the inner and outer shells on the other side surface of the first sealing ring, with which it is in contact. The pressure ring can be moved to increase or reduce the pressure.