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ISO 6621-3 PDF

ISO. Second edition. Internal combustion engines — Piston rings —. Part 3: Material specifications. Moteurs à combustion interne. Internal combustion engines; piston rings; material specifications; identical with ISO Buy ISO INTERNAL COMBUSTION ENGINES – PISTON RINGS – PART 3: MATERIAL SPECIFICATIONS from SAI Global.

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This subject was first covered in IS Part 9: Part 9 Terms and definitions’. With the publication of this standard IS Part 9 shall be treated as withdrawn.

Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following: In this adopted standard, reference appear to the following International Standard for which Indian Standard also exists.

The corresponding Indian Standard which is to be substituted in its place is given below along with its degree of 66213- for the edition indicated: Basis of limits and fits: Basis of tolerances, deviations and fits’.

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These terms designate either types iwo piston rings or certain characteristics and phenomena of piston rings. The terms and definitions in this part of ISO apply to piston rings for reciprocating internal combustion engines.

ISO – Internal combustion engines — Piston rings — Part 3: Material specifications

They may also be used for piston rings of compressors working under analogous conditions. However, only the terms given in the official languages can be considered as ISO terms. For dated references, only the edition cited applies.

For undated references, the latest edition of the referenced document including any amendments applies. Combinations of configurations listed in Tables 2 to 5 along with those in Table 1 are shown as “common features” in the relevant ISO Standard referenced in each table. Oso ring nitrided on specific surfaces only e.

BS 5341-6.3:1992, ISO 6621-3:1983

Key 1 outside chamfered edge 2 peripheral edge 3 side face edge 4 inside chamfered edge Figure 5 — Chamfered edges 5. 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. Pin point or burry light 6. Copyright BIS has the copyright of all its publications.


Full text of “IS/ISO Internal Combustion Engines – Piston Rings, Part 1: Vocabulary”

No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in course of imple- menting the standard, of 66221-3 details, such as symbols and sizes, type or grade designations. Review of Indian Standards Amendments are issued to standards as the need arises on the basis of comments.

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. 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: This Indian Standard has been developed from Doc No.: