ISO Centering Rings

Centering ring positions the O-ring inside the counter-bore of the mating flanges. The spacer ring (outer part) keeps the O-ring from rolling off.

Nor-Cal Products, Inc.

ISO Centering Rings with Viton O-rings

ISO centering ring kits with Viton O-ring. Spacer rings and Centering rings are made from 304 Stainless or Aluminium.

ISO Flange SizeCentering Ring MaterialO-Ring MaterialSpacer Ring MaterialMfg. P/N.Encole P/N.Price
ISO-63AISI 304VitonAluminumISO-63-CR-SV200A1000$54.00each
ISO-63AluminumVitonAluminumISO-63-CR-AV199A1000$44.80each
ISO-80AluminumVitonAluminumISO-80-CR-AV199A1001$51.61each
ISO-100AluminumVitonAluminumISO-100-CR-AV199A1002$62.64each
ISO-160AluminumVitonAluminumISO-160-CR-AV199A1003$78.50each
ISO-200AluminumVitonAluminumISO-200-CR-AV199A1004$94.60each
ISO-250AluminumVitonAluminumISO-250-CR-AV199A1005$112.20each
ISO-320AluminumVitonAluminumISO-320-CR-AV199A1006$220.25each
ISO-400AluminumVitonAluminumISO-400-CR-AV199A1007$390.75each
ISO-500AluminumVitonAluminumISO-500-CR-AV199A1008$588.35each
ISO-80AISI 304VitonAluminumISO-80-CR-SV200A1001$76.60each
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