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BS ISO 6622-1:2021

BS ISO 6622-1:2021

$167.15

Internal combustion engines. Piston rings – Rectangular rings made of cast iron

Published By Publication Date Number of Pages
BSI 2021 36
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This document specifies the essential dimensional features of rectangular rings made of cast iron, Types R, B, BA and M, having diameters up to and including 200 mm, used in reciprocating internal combustion piston engines. It is also applicable to piston rings of compressors working under similar conditions.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Overview
5 Ring types and designation examples
5.1 Overview
5.2 Type R — Straight faced rectangular ring
5.2.1 General features
10 5.2.2 Designation
5.3 Type B — Barrel faced rectangular ring
5.3.1 General features
11 5.3.2 Designation
12 5.4 Type BA — Asymmetrical barrel faced rectangular ring h1 ≥ 1,2 mm
5.4.1 General features
13 5.4.2 Designation
5.5 Type M — Taper faced rectangular ring
5.5.1 General features
14 5.5.2 Designation
6 Common features
6.1 Face coating types
15 6.2 Face shape types
6.3 Piston ring twist features
17 6.3.1 Taper faced rectangular ring with partly cylindrical machined (LM) or lapped (LP) peripheral surface
6.4 Chamfered edges
19 6.5 Type R, B, BA and M rings (fully faced, semi-inlaid and inlaid) — Plating/coating thickness
20 6.6 Type R, B, BA, and M rings — Nitrided case depth
7 Force factors
21 8 Dimensions
34 Bibliography

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BS ISO 6622-1:2021
$167.15