Does this select an ISO 3601 O-ring?

No. Enter an exact designation and nominal dimensions from the applicable controlled table or manufacturer record.

Does it design the housing?

No. ISO 3601-2:2025 housing dimensions depend on the documented application and table. This worksheet only checks entered nominal geometry.

Does it decide acceptable squeeze or stretch?

No. It reports signed arithmetic without universal pass/fail limits.

Are material and pressure suitability checked?

No. Compound,fluid,temperature,pressure,clearance,extrusion,dynamics,tolerances and surface requirements remain separate.

Source-gated nominal check

Documented O-Ring Geometry Check

Check a selected ring and housing record. This page does not invent a standard size,groove,material,pressure rating or acceptance limit.

No nearest-size selectionNo universal limitsNot conformity

Selected designation

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Nominal free OD = d1+2d2

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Signed installed ID change

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Nominal cross-section squeeze

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Nominal centerline diameter

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Nominal arithmetic only.

ODnom=d1+2d2; ID change=(Dinstalled−d1)/d1×100%; nominal squeeze=(d2−h)/d2×100%

Positive ID change means nominal stretch;negative means nominal compression.Positive squeeze means the entered height is below nominal cross-section;negative means clearance.No pass/fail decision is emitted.

Current parts

ISO3601-1:2012,edition5,confirmed2022,with Cor1:2012 and Amd1:2019 covers inside diameters,cross-sections,tolerances and designation codes.ISO3601-2:2025,edition3,now covers housing dimensions for general applications and replaced ISO3601-2:2016.ISO3601-5:2015 covers selected elastomeric material specifications and states that required properties/test methods should be agreed among equipment user/manufacturer and O-ring supplier/manufacturer.

NEEDS_LICENSED_SOURCE: exact size rows,tolerances,housing tables,squeeze/stretch/fill/clearance limits and application rules.This worksheet does not claim ISO3601 conformity or automatically select a ring.

Removed unsafe content

The previous page mixed AS568-style series with an incomplete ISO-labelled list,approximate ID tolerances,a universal groove-width factor1.35,nearest-size selection and universal pressure/material recommendations.These are removed rather than guessed.

Nguồn

ISO3601-1:2012; Cor1:2012; Amd1:2019; ISO3601-2:2025; ISO3601-5:2015.