our unions are manufactured from aisi 304l and aisi 316l stainless steel and are made from hot rolled or press forged material and solution heat treated.
the precise machining of the threaded parts eliminates seizure during coupling. the elimination of end parts of threading is done with mechanical operations to prevent accidents during handling of the pieces.
the unions are available in the din, bs rjt, iss may be text, eno, bsp, macon and clamp standards.