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These centering rings are used for mating ISO flanges and include both the centering ring and o-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.

ISO Centering Rings Feature:

• Rings available in stainless steel inner/aluminum outer combination or aluminum
• Available with either fluorocarbon or Buna-N o-rings