| 主权项 |
1. Connection system (1) of piping (500) for distribution systems of pressurised or depressurised fluids, wherein said piping (500) comprises at least a section of rigid bar (501) which extends longitudinally and, internally, has a hole (510) for the passage of the fluid, and, on its outer surface (505), a plurality of grooves (520), dovetailed, outwardly open, wherein the connection system (1) comprises:
a connection joint (10) comprising an insertion portion (11) insertable in the hole (510) so as to seal it and a retention portion (12), projecting from the piping (500) when the joint (10) is inserted therein; retention means (20) suitable to longitudinally retain the connection joint (10) to the piping (500), said retention means (20) comprising: i) a retention element (30) suitable to engage the retention portion (12) constraining the joint (10) longitudinally; and ii) clamping means (40) suitable to act in conjunction with a least one groove (520) and with the retention element (30), and suitable to exert a clamping force to block the retention element (30) to the piping (500). |
