ISO-K Centering Rings with Viton O-Ring Retainer Ring

These ISO-K centering rings are used for mating ISO flanges and include both the ISO centering ring in SS304 or Aluminium and Viton  or NBR o-ring and Aluminium Outer Ring(Retainer Ring). The ISO flange (also called Large ISO) is used for HV chamber ports and is available in two distinct styles;  ISO-K which uses clamp fasteners and ISO-F which uses nut and bolt fasteners. Size from ISO63-ISO500, belongs to ISO Vacuum Flanges & Components series, These vacuum fittings are made of corrosive resistant stainless steel. They are commonly used to build foreline vacuum plumbing and process systems.  ISO Outer Ring, Centering Rings and O-rings Feature: • Centering Ring: 304 S.S. or Aluminum (Other material available upon request) • O`ring: Viton or NBR • Outer Ring: Aluminum • Overpressure Ring: SS304 • Size: ISO63 ~ ISO500 • Vacuum range : 1×10-8 Torr • Temperature range : 150…