Jointing collars are commonly employed to join calendered circular tubes expressly flanged at the ends.

Because of its low price and easy installation, due to the screw calmping system, it has become an indispensable element.

Jointing collars are available in the folowing versions:

- galvanized surmounted "V" shaped steel collar (between diam. mm 80 and diam. mm 500)

- sormounted "V" shaped stainless INOX AISI 304 steel (between diam. mm 80 and diam.mm500)

- sormounted stiffened galvanized collar (between diam. mm 350 and diam. 1500)

- sormounted stiffened stainless AISI 304 steel collar (da diam. mm 350 a diam. 1500)