Clamped screw coupling between nozzle and tube - has composite sealing ring with plastics ring held in metal ring

摘要

The clamped screw coupling is used between a nozzle with external screw thread and a tube pushed into the nozzle. On the nozzle is screwed a clamping nut with an internal conical seat. A sealing ring is arranged between the clamping nut seat and the end face of the nozzle and the deformable inserted pipe. An integral sealing ring is used in this screw coupling. The sealing ring consists of two connected rings of which one is a metal ring (41) resting on the conical seat (33) of the clamping nut (3). The other ring is a plastic ring (42) held in the metal ring and resting against the tube and the end face of the nozzle (22). The plastics ring (42) is held in the tube and the end face of the nozzle (22). The plastics ring (42) is held in the axial direction by the metal ring (41).