ISO 6621-5 PDF

ISO INTERNATIONAL. STANDARD. ISO. Second edition. Internal combustion engines — Piston rings —. Part 5. ISO. Second edition. Internal combustion engines — Piston rings —. Part 5: Quality requirements. Moteurs à combustion interne. STANDARD. ISO. Third edition. Reference number. ISO (E). This is a free 5 page sample. Access the full version online.

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Key 1 outside chamfered edge 2 peripheral edge 3 side face edge 4 inside chamfered edge Figure 5 — Chamfered edges 5. Coil-spring-loaded oil control rings of narrow width made of cast iron [11] ISOInternal combustion engines — Piston rings — Part 3: Review of Indian Standards Amendments are issued to standards isl the need arises on the basis of comments. Due to its wedge shape, any radial movement of the ring will alter its axial clearance and thus minimize the build-up of combustion residues.


The terms and definitions in this part of ISO apply to piston rings for reciprocating internal combustion engines. However, only the terms given in the official languages can be considered as ISO terms. The work of preparing International Standards is normally carried out through ISO technical committees. Search the history of over billion web pages on the Internet.

ISO – Standards Australia

Every care has been taken to ensure that the file is suitable for use by ISO member bodies. Key 1 peripheral surface 6 inside surface 2 back of the ring 7 ring width, h1 3 free gap, m 8 side faces 4 butt ends 9 peripheral edges 5 radial wall thickness, a1 10 coil spring excursion, f1 Figure 1 — Unstressed ring 5.


This second edition cancels and replaces the first edition ISO For dated references, only the edition cited applies. With the publication of this standard IS Part 9 shall be treated as withdrawn.

This does not preclude the free use, in course of imple- menting the standard, of necessary details, such as symbols and sizes, type or grade designations. The corresponding Indian Standard which is to be substituted in its place is given below along with its degree of equivalence for the edition indicated: Adobe is a trademark of Adobe Systems Incorporated. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings.

Copyright BIS 6261-5 the copyright of all its publications.

Standards Catalogue

For undated iiso, the latest edition of the referenced document including any amendments applies. ISO shall not be held responsible for identifying any or all such patent rights. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.


Basis of limits and fits: Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Catalogue’ and ‘Standards: No part of these publications may be reproduced in any form without the prior permission in writing of BIS. Reference number ISO Combinations of configurations listed in Tables 2 to 5 along with those isso Table 1 are shown as “common features” in the relevant ISO Standard referenced in each table.

However, only the terms given in the official languages can be considered as ISO terms. The main task of technical committees is to prepare International Standards.

Piston ring nitrided on specific surfaces only e. Part 9 Terms and definitions’. Pin point or 66621-5 light 6. In this adopted standard, reference appear to the following International Standard for which Indian Standard also exists. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision.

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