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PIONEERS IN ADVANCED FIBERGLASS PIPING SYSTEMS
Joint classification: Mechanical, slightly flexible, axial restrain.
Description: Bell and spigot ends are built during pipe manufacturing to obtain a monolithic structure. Hydraulic tightness is guaranteed by double elastomeric O-ring gaskets placed into the spigot grooves. Joint axial restraining is obtained by a nylon rod inserted in the proper groove on the bell and spigot through one or more openings on the bell.
The test nipple (available from DN150) allows to pressurize the O-rings chamber to check the coupling hydraulic tightness immediately after the joint assembly.