Kalrez® O-rings

Find Kalrez® O-rings in Standard or Custom Sizes

Durable, heat and chemical resistant Kalrez® O-rings from select compounds are available from stock in a range of common sizes.

DuPont™ Kalrez® maintains inventories of AS-568, metric and JIS (Japanese Industry Standard), O-rings. As a result, many may be available from your local authorized Kalrez® distributor. The tables shown are Kalrez® O-rings for which we maintain an inventory, as well as custom Kalrez® O-ring specifications

Standard O-rings

The dimensions and tolerances of Kalrez® O-rings are listed and conform to AS-568 .  The visual quality is in accordance with MIL STD 413C for most compounds.  DuPont and its local authorized distributors of Kalrez® parts maintain inventories of many standard AS-568 O-rings.  Actual lead times will be established at the time of the order placement.  We work closely with customers to understand and meet their needs.

Metric O-rings

The dimensions and tolerances of Kalrez® O-rings in metric sizes are listed.  The visual quality is in accordance with MIL-STD 413C for most compounds.  DuPont and its local authorized Kalrez® distributors maintain certain inventories of common metric sizes but a full range of metric sizes is not normally inventoried.   Actual lead times will be established at the time of the order placement.  We work closely with customers to understand and meet their needs.

JIS O-rings

Many Japanese Industry Standard (JIS) O-ring sizes in compounds listed below may be available for immediate shipment from your local authorized DuPont™ Kalrez® distributor’s inventory. Orders for quantities, sizes, and compounds not in inventory will be made to order. Please call your local authorized Kalrez® distributor for current inventory status and estimated shipment dates for your specific requirements. O-ring sizes not listed can be manufactured on a special order basis.

Custom O-rings

Kalrez® O-rings are also available in custom cross-section and/or diameter dimensions and tolerances.  The visual quality is in accordance with MIL-STD 413C for most compounds.  Kalrez® custom O-rings are typically made to order.  Orders for quantities, sizes and compounds will be placed and processed to within standard manufacturing lead times.

Splice & Join O-rings

Kalrez® Splice & Join O-rings can be produced in a broad range of customized cross-section and diameter dimensions to meet specific needs. Cross sections are available within a range of 0.118 to 0.500" (3.00 mm to 12.70 mm) for many compounds with a minimum inside diameter of 26.000" (660.40 mm).  The visual quality is in accordance with MIL-STD 413C for most compounds.  Kalrez® Splice & Join O-rings are typically made to order.  Orders for quantities, sizes and compounds will be placed and processed to within standard manufacturing lead times.

Quickseal O-rings

Kalrez® Quickseal O-rings can be produced in a broad range of customized cross-section and diameter dimensions to meet specific needs. Cross sections are available within a range of 0.070 to 0.400" (1.78 mm to 10.16 mm) for many compounds with a minimum inside diameter of 6.000" (152.40 mm).  The visual quality is in accordance with  for most compounds.  Kalrez® Quickseal O-rings are typically made to order.   Orders for quantities, sizes and compounds will be placed and processed to within standard manufacturing lead times.

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