ISO. Second edition. Corrected version. Fluid power systems — O-rings —. Part 3: Quality acceptance criteria. Transmissions. Norm DIN ISO defines permissible shape and surface deviations in O- rings. Permissible tolerances are classified into grade levels. Grade N O-rings are. ISO FLUID POWER SYSTEMS – O-RINGS – PART 3: QUALITY ACCEPTANCE CRITERIA.
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Users of British Standards should make sure that they possess the latest amendments or editions.
ISO 3601-03:2005
Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Deviations of the curved cross section are permissible when the flattened area transitions into the curve of the circular cross section smoothly, and the cross section still falls within the permissible tolerances. Figure 4 — Flow marks a Acceptable within dimensional limits. Standard tolerances for non-hydraulic systems 3 Terms, definitions and symbols For the purposes of this document, the terms and definitions given in ISO and the following apply.
BS ISO 液压流体动力.O型环.质量验收标准 – MBA智库文档
3601–3 This second edition cancels and replaces the first edition ISO Revisions British Standards are updated by amendment or revision. For dated references, only the edition cited applies. Information regarding online access to British Standards via British Standards Online can be found at http: This publication does not purport to include all the necessary provisions of a contract.
Grade N O-rings are used in general applications and satisfy the high demands on dynamic and static sealing. Standards are also available from the BSI website at http: Inside diameters and cross sections, tolerances and size-identification codes — Part 2: The BSI copyright notice displayed isoo this document indicates when the document was last issued.
For example, isp service aerospace or medical applications, where the surface of the O-ring must be near-perfect to perform in a satisfactory manner, are covered by this grade. All dimensions in mm. The following table defines shape and surface deviations in o-rings per grade levels N and S 1 According to which value is the larger.
It is the constant aim of BSI to improve the quality of our products and services. Components must be designed to meet these requirements under varying conditions.
ISO consists of the following parts, under 36601-3 general title Fluid power systems — O-rings: Flow marks, non-fills and indentations within the limits of the above table shall not be allowed if: International organizations, governmental and kso, in liaison with ISO, also take part in the work.

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Anti-extrusion devices back-up rings Li ce ns ed c op y: There are more than three in any 25mm length of circumference They interconnect There are more than three that are separated from each other by a distance that is less than the maximum limiting dimensions of such imperfection Reproduced with permission of the German Standards Institute DIN. It presents the UK view on standards in Europe and at the international level.
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ISO – Fluid power systems — O-rings — Part 3: Quality acceptance criteria
Amendments issued since publication Amd. Quality acceptance criteria Transmissions hydrauliques et pneumatiques — Joints toriques — Partie 3: The work of preparing International Standards is normally carried out through ISO technical committees. Permissible tolerances are classified into grade levels. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.
If these details are to be used for any other purpose than implementation then the prior written iwo of BSI must be obtained. Flow Marks radial orientation of flow marks is not permissible.

It is incorporated by Royal Charter. Testing of components to meet performance requirement provides users a basis of assurance for determining design application and for checking component compliance with their stated requirements.
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BSI offers is an individual updating service called PLUS 6301-3 ensures that subscribers automatically receive the latest editions of standards. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. This part of ISO is also applicable to O-rings to be used in aerospace construction.
Copyright Copyright subsists in all BSI publications. Inside diameters and cross sections, tolerances and size-identification codes — Part 1:
