ISO 3601-3 PDF


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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Shape and Surface Deviations According to DIN ISO 3601-3

Inside diameters and cross sections, tolerances and size-identification codes — Part 2: The work of preparing International Standards is normally carried out through ISO technical committees. Inside diameters, cross-sections, tolerances and size identification code ISOFluid power systems and components — Vocabulary ISOAerospace fluid systems — O-rings, inch series: It presents the UK view on standards in Europe and at the international level.

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Standards and sizes

For example, aerospace or critical industrial or automotive applications are covered by this grade. Information regarding online access to British Standards via British Standards Online can be found at http: The BSI copyright notice displayed in this document indicates when the document was last issued. 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. Flow marks, non-fills and indentations within the limits of the above table shall not be allowed if: We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.


For example, critical 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.

ISO – Fluid power systems — O-rings — Part 3: Quality acceptance criteria

ISO shall jso be held responsible for identifying any or all such patent rights. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Figure 4 — Flow marks a Acceptable within dimensional limits.

Anti-extrusion devices back-up rings Li ce ns ed c op y: Grade N O-rings are used in general applications and satisfy the high demands on dynamic and static sealing. This second edition cancels and replaces the first edition ISO 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.

This part of ISO is also applicable to O-rings to be used in aerospace construction.

Contact the Information Centre. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 11 and a back cover. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Permissible tolerances are classified into grade levels. This publication does not purport to include all the necessary provisions of a contract. Flow Marks radial orientation of flow marks is not permissible.


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Standards and sizes

Components must be designed to meet these requirements under varying conditions. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. A list of organizations represented on this committee can be obtained on request to its secretary.

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