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Metric O-Rings are employed in specialized applications and, like the name suggests, are standardized by metric dimensions. With a wide variety of sizes available, Metric O-Rings fill in the gaps left by the standardized AS568 o-ring chart. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. Perfluoroelastomer is also known as FKKM and Perfloro.

Parts resist over 1,800 different chemicals, while offering the high temperature stability of PTFE (327°C). They’re used in aggressive chemical processing, pharmaceutical, oil rcovery, gas recovery, and aerospace applications. The proven, long-term performance of Kalrez® parts can mean less repairs, seal changes, inspections and equipment uptime for greater productivity and yield. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

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Quantity
30.5 X 1.5 KALREZ-90 N/A
164041
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.50 mm N/A 90 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2 KALREZ-70 N/A
164042
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 70 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2 KALREZ-75 N/A
164043
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 75 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2 KALREZ-90 N/A
164044
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 90 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2.5 KALREZ-70 N/A
164045
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 70 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2.5 KALREZ-75 N/A
164046
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 75 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 2.5 KALREZ-90 N/A
164047
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 90 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3 KALREZ-70 N/A
164048
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3 KALREZ-75 N/A
164049
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3 KALREZ-90 N/A
164050
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3.5 KALREZ-70 N/A
164051
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 70 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3.5 KALREZ-75 N/A
164052
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 75 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.5 X 3.5 KALREZ-90 N/A
164053
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 90 N/A 30.50 mm N/A O-rings are used in the military, automotive,
30.7 X 3.5 KALREZ-70 N/A
164054
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P34 N/A 3.50 mm N/A 70 N/A 30.70 mm N/A O-rings are used in the military, automotive,
30.7 X 3.5 KALREZ-75 N/A
164055
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P34 N/A 3.50 mm N/A 75 N/A 30.70 mm N/A O-rings are used in the military, automotive,
30.7 X 3.5 KALREZ-90 N/A
164056
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A P34 N/A 3.50 mm N/A 90 N/A 30.70 mm N/A O-rings are used in the military, automotive,
30.8 X 3.6 KALREZ-70 N/A
164057
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.60 mm N/A 70 N/A 30.80 mm N/A O-rings are used in the military, automotive,
30.8 X 3.6 KALREZ-75 N/A
164058
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.60 mm N/A 75 N/A 30.80 mm N/A O-rings are used in the military, automotive,
30.8 X 3.6 KALREZ-90 N/A
164059
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.60 mm N/A 90 N/A 30.80 mm N/A O-rings are used in the military, automotive,
300 X 10 KALREZ-70 N/A
164060
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 10.00 mm N/A 70 N/A 300.00 mm N/A O-rings are used in the military, automotive,
300 X 10 KALREZ-75 N/A
164061
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 10.00 mm N/A 75 N/A 300.00 mm N/A O-rings are used in the military, automotive,
300 X 10 KALREZ-90 N/A
164062
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 10.00 mm N/A 90 N/A 300.00 mm N/A O-rings are used in the military, automotive,
300 X 3 KALREZ-70 N/A
164063
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 300.00 mm N/A O-rings are used in the military, automotive,
300 X 3 KALREZ-75 N/A
164064
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 300.00 mm N/A O-rings are used in the military, automotive,
300 X 3 KALREZ-90 N/A
164065
N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 300.00 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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