Hymax 2 Long, straight couplings, long face-to-face length

Hymax Long is a non-restrained pipe coupling for large sizes that joins pipes of different materials and outside diameters in the same joint. The long face-to-face length bridges larger gaps and the lifting eye simplifies handling in the trench. The coupling allows angular deflection up to ±4 degrees per side. Before installation, clean the pipe contact surfaces and check the outside diameter with the supplied diameter tape, so that the pipe lies within the working range. The minimum insertion depth is 140 mm for DN350–DN600. In larger sizes, a split gasket is available where the inner removable layer can be taken out for a larger working range. The bolts are tightened alternately from above and finished manually with a torque wrench to the specified torque. The gasket withstands −30 °C to +85 °C in continuous operation and up to +100 °C briefly, and the epoxy coating withstands up to +50 °C above ground and up to +65 °C below ground. Min. insertion depth (G MIN): DN40-300mm: 55mm DN350-600mm: 140mm DN650-1500mm: 150mm