Expansion joints are produced according to the most innovative blablabla techniques from semi-finished and raw materials of exceptional quality. To be used in the presence of axial and vertical expansion in important temperature conditions (-30 ° C + 220 ° C), in presence of aggressive acids or vapors and for food products. The ANSI or DIN flanges allow the connection between international standards, the steel reinforcement rings are at the PTFE expansion joint to reach important pressures, considering the plastic material of the manufactured article. (See tab.1-2-3)