Two- or three- flanged joints are used to install valves on the pipelines. Due to their telescopic structure, it allows to vary the length of the joint itself, working on the nuts and bolts. The stroke is 5 mm for two- flanged dismantling joint (for the whole range), and between 25 and 140 mm for three- flanged one (according to customer requests). The body of the joint is made of S235JR carbon steel, coated with atoxic epoxy painting (RAL and thickness on request), the gasket is made of NBR, nuts and bolts are made of hot galvanized steel (stainless steel A2 on request). It can be supplied according to serie UNI PN 6-10-16-25-40 and ANSI 150 e 300 per DN tra 40 e 2000 rules.