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O-Ring Sizes and Dimensions per AS568A

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  2. O-Ring Sizes and Dimensions Per AS568A
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Flange or Face Seal Groove Design

AS568 SeriesO-Ring Cross-SectionGland Depth (D)SqueezeGland Width (W) LiquidsGland Width (W) Vacuum & GasesGland Corner Radii
Dash NumberNominalTOL (+/-)DepthActualPercentNominalTOL (+/-)NominalTOL (+/-)R1R2
-000.070.003.055-.057.010-.01815%-25%.103.002.084.003.010.005
-100.103.004.088-.090.010-.01810%-17%.140.003.121.003.010.005
-200.139.004.121-.123.012-.0229%-16%.180.003.160.003.018.005
-300.210.005.185-.188.017-.0308%-14%.280.003.240.003.028.005
-400.275.006.237-.240.029-.04411%-16%.352.003.310.003.028.005

 

Dynamic Gland Groove Design

AS568 SeriesO-Ring Cross-SectionGland Depth (D)SqueezeGland Width (W)Gap (H)Gland Corner Radii
Dash NumberNominalTOL (+/-)DepthActualPercentNominalTOL (+/-)1 Backup Ring2 Backup RingsMAXR1R2
-000.070.003.050-.052.015-.02322%-32%.095.002.140.207.002.007.005
-100.103.004.081-.083.017-.02517%-24%.142.003.173.240.002.007.005
-200.139.004.111-.113.022-.03216%-23%.189.003.210.277.002.017.005
-300.210.005.170-.173.032-.04515%-21%.283.003.313.412.003.027.005
-400.275.006.226-.229.040-.05515%-20%.377.003.410.540.003.027.005

 

Dovetail Face Seal Groove Design

AS568 SeriesO-Ring Cross-SectionGland Depth (D)SqueezeGland Width (W)Gap (H)Gland Corner Radii
Dash NumberNominalTOL (+/-)DepthActualPercentNominalTOL (+/-)1 Backup Ring2 Backup RingsMAXR1R2
-000.070.003.055-.057.010-.01815%-25%.095.002.140.207.002.007.005
-100.103.004.088-.090.010-.01810%-17%.142.003.173.240.002.007.005
-200.139.004.121-.123.012-.0229%-16%.189.003.210.277.002.017.005
-300.210.005.185-.188.017-.0308%-14%.283.003.313.412.003.027.005
-400.275.006.237-.240.029-.04411%-16%.377.003.410.540.003.027.005

 

AS568 SeriesO-Ring Cross-SectionGland Depth (D)Gland Width (W)Gland Corner Radii
Dash NumberNominalTOL (+/-)NominalTOL (+/-)NominalTOL (+/-)R1R2
-000.070.003.052.002.064.002.015.005
-100.103.004.078.003.088.003.015.010
-200.139.004.106.003.120.003.031.010
-300.210.005.164.004.176.003.031.015
-400.275.006.215.004.235.003.063.015

O-ring Sizes & Dimensions per AS568A

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  • Services
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    • Rubber & Elastomers Extrusion
    • Engineering & Consultation
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    • Custom Items
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