Type 17 – Clamp-on Crossover admin | August 9, 2020 Designed to provide a 90° cross-over joint. Can be added to an existing structure. tube should not be joined within this fitting. For an alternative fitting, see Type 45 or Type A45. Add to quote Categories: All Products, Cross-over Fittings, Fitting, Klamp Description Description Related products Type 45 – Crossover Type 15 – 90° Elbow Type 12 – 45° Single Socket Tee 145 – CROSSOVER COUPLING