The Cryogenic Bellow Sealed Changeover Valves are made from solid stainless steel and has a PN63 flange. It is designed for the installation of two safety valves. It also includes an indicator with dual test connections G 1/4. This device contains a "cleaned and degreased for oxygen service" feature. Moreover, it is preferable to work on air gases, vapours and cryogenic liquefied gases medium.