ISO 6624-1:2017

Internal combustion engines — Piston rings — Part 1: Keystone rings made of cast iron

ISO 6624-1:2017 specifies the essential dimensional features of keystone rings made of cast iron, types T, TB, TBA, TM, K, KB, KBA and KM, having diameters from 70 mm up to and including 200 mm, used in reciprocating internal combustion piston engines.

Moteurs à combustion interne — Segments de piston — Partie 1: Segments trapézoïdaux en fonte

General Information

• Status: Published
• Publication Date: 26-Apr-2017
• ICS: 43.060.10 - Engine block and internal components
• Technical Committee: ISO/TC 22/SC 34 - Propulsion, powertrain and powertrain fluids
• Drafting Committee: ISO/TC 22/SC 34/WG 4 - Piston rings
• Current Stage: 9092 - International Standard to be revised
• Completion Date: 01-Nov-2023

Relations

• Revises: ISO 6624-1:2001 - Internal combustion engines — Piston rings — Part 1: Keystone rings made of cast iron
• Effective Date: 04-Nov-2015

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 6624-1
Third edition
2017-04
Internal combustion engines —
Piston rings —
Part 1:
Keystone rings made of cast iron
Moteurs à combustion interne — Segments de piston —
Partie 1: Segments trapézoïdaux en fonte
Reference number
ISO 6624-1:2017(E)
©
ISO 2017

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ISO 6624-1:2017(E)

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ii © ISO 2017 – All rights reserved

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ISO 6624-1:2017(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference . 1
3 Terms and definitions . 1
4 Overview . 1
5 Ring types and designation examples . 1
5.1 Type T — Straight faced keystone ring 6° . 1
5.1.1 General features. 1
5.1.2 Designation . 2
5.2 Type TB — Symmetrical barrel faced keystone ring 6° . 2
5.2.1 General features. 2
5.2.2 Designation . 4
5.3 Type TBA — Asymmetrical barrel faced keystone ring 6° . 4
5.3.1 General features. 4
5.3.2 Designation . 5
5.4 Type TM — Taper faced keystone ring 6° . 5
5.4.1 General features. 5
5.4.2 Designation . 6
5.5 Type K — Straight faced keystone ring 15° . 7
5.5.1 General features.
...