A new range of highly versatile, low maintenance rotary unions from duff norton, usa, is marketed by ravin impex . Series 5000 is a multi-purpose union with a well-adjusted mechanical seal that compensates for the pressure of the medium. With pre-lubricated and sealed ball bearings, this series will not necessitate any maintenance in applications up to 94°c/200°c. For being manufactured from stainless steel, all parts of the unions are long lasting and the compact design simplifies installation in awkward spots. These rotary unions comes in three types, p, s, and rs, and they are used in textile, printing, chemical, paper, plastic, and rubber industries.
