ISO Flanges and Fittings

Flanges and fittings for vacuum plumbing systems with large pipe diameters. Flange sizes start from DN 63. All flanges seal with an O-ring, identical to KF fittings.

Nor-Cal Products, Inc.

ISO Double Claw Clamps, Aluminum

ISO double claw clamps for use with Multi-Fastener, (MF) ISO flanges. Claws are made from aluminum. Mounting bolts have standard UNF thread.

Clamp SizeMaterialThreadMfg. P/N.Encole P/N.Price
ISO-63AluminumThread 5/16-18ISO-63-DCP196A1000$8.70each
ISO-80AluminumThread 5/16-18ISO-80-DCP196A1001$8.70each
ISO-100AluminumThread 5/16-18ISO-100-DCP196A1002$8.70each
ISO-160AluminumThread 5/16-18ISO-160-DCP196A1003$8.92each
ISO-200AluminumThread 5/16-18ISO-200-DCP196A1004$8.70each
ISO-250AluminumThread 5/16-18ISO-250-DCP196A1005$8.70each
ISO-320AluminumThread 7/16-14ISO-320-DCP196A1006$16.10each
ISO-400AluminumThread 7/16-14ISO-400-DCP196A1007$16.10each
ISO-500AluminumThread 7/16-14ISO-500-DCP196A1008$16.10each
Nor-Cal Products, Inc.

ISO Single Claw Clamps, Aluminum

ISO single claw clamps for use with threaded ISO flanges. Claws are made from aluminum. Mounting bolts have standard UNF thread.

Clamp SizeMaterialThreadMfg. P/N.Encole P/N.Price
ISO-63AluminumThread 5/16-18ISO-63-SCP197A1000$6.25each
ISO-63AluminumM8 x 1.25ISO-63-SCP-M198A1000$6.25each
ISO-80AluminumThread 5/16-18ISO-80-SCP197A1001$6.25each
ISO-100AluminumThread 5/16-18ISO-100-SCP197A1002$6.25each
ISO-160AluminumThread 5/16-18ISO-160-SCP197A1003$7.70each
ISO-200AluminumThread 5/16-18ISO-200-SCP197A1004$7.70each
ISO-250AluminumThread 5/16-18ISO-250-SCP197A1005$7.70each
ISO-320AluminumThread 7/16-14ISO-320-SCP197A1006$10.45each
ISO-400AluminumThread 7/16-14ISO-400-SCP197A1007$10.45each
ISO-500AluminumThread 7/16-14ISO-500-SCP197A1008$10.50each
ISO-100AluminumM8 x 1.25ISO-100-SCP-M198A1002$6.25each
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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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Nor-Cal Products, Inc.

ISO Flexible Couplings

ISO flexible couplings or bellows with ISO non-rotatable multi fastener (ISO-MF) flanges on the ends. The bellows material comes standard in 316L stainless steel. Flanges material is 304 Stainless Steel. For increased corrosion resistance, the flanges are available in 316L Stainless as an option.

Vacuum range is >1 x 10E-8 Torr with an elastomer O-ring, or > 1 x 10E-11 Torr with a EVAC metal seal for ultra high vacuum.

Nominal Pipe SizeNumber of Rotatable FlangesBellows I.D.Wall ThicknessFree LengthCompressed LengthBellows MaterialFlange MaterialMfg. P/N.Encole P/N.Price
ISO-63No2.500 inch0.008 inch7.000 inch6.200 inchAISI 316LAISI 3042FC-ISO-250-4208A1000$321.40each
ISO-100No4.000 inch0.010 inch7.000 inch6.200 inchAISI 316LAISI 3042FC-ISO-400-4208A1002$440.00each
ISO-160No6.000 inch0.010 inch7.000 inch6.200 inchAISI 316LAISI 3042FC-ISO-600-4208A1003$650.45each
ISO-200No8.000 inch0.010 inch7.000 inch6.200 inchAISI 316LAISI 3042FC-ISO-800-4208A1004$1120.00each
ISO-80No2.500 inch0.008 inch7.000 inch6.200 inchAISI 316LAISI 3042FC-ISO-300-4208A1001$390.25each
ISO-250No10.000 inch0.012 inch13.500 inch11.400 inchAISI 316LAISI 3042FC-ISO-1000-10208A1005$1405.85each

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