SIST EN ISO 9222-1:1998

Technical drawings - Seals for dynamic application - Part 1: General simplified representation (ISO 9222-1:1989)

This method indicates only essential features ans should be used when it is not necessary to show the exact shape and details of the seals, for example in assembly drawings. The degree of simplification depends on the kind of object represented, the scale of the drawing and the purpose of documentation. ISO 9222-2 deals with the detailed simplified representation.

Technische Zeichnungen - Dichtungen für dynamische Belastung - Teil 1: Allgemeine, vereinfachte Darstellung (ISO 9222-1:1989)

Dieser Teil von ISO 9222 legt Regeln für die allgemeine, vereinfachte Darstellung von Dichtungen fest. Diese Darstellung ist anzuwenden, wenn es nicht nötig ist, die genaue form und die Einzelheiten der Dichtungen zu zeigen, z.B. in Zusammenbau-Zeichnungen.

Dessins techniques - Joints d'étanchéité pour application dynamique - Partie 1: Représentation simplifiée générale (ISO 9222-1:1989)

La présente partie de l'ISO 9222 prescrit la représentation simplifiée générale des joints d'étanchéité. Il convient d'utiliser cette représentation lorsqu'il n'est pas important de montrer la forme exacte et les détails des joints d'étanchéité, par exemple dans des dessins d'assemblage.

Tehnične risbe - Tesnila za dinamično uporabo - 1. del: Splošno poenostavljeno prikazovanje

General Information

• Status: Published
• Publication Date: 30-Apr-1998
• ICS: 01.100.20 - Mechanical engineering drawings
• ICS: 21.140 - Seals, glands
• Technical Committee: TRS - Technical drawings, quantities, units, symbols and graphical symbols
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-May-1998
• Due Date: 01-May-1998
• Completion Date: 01-May-1998
• Ref Project: EN ISO 9222-1:1995 - Technical drawings - Seals for dynamic application - Part 1: General simplified representation (ISO 9222-1:1989)

Overview

EN ISO 9222-1:1995 (ISO 9222-1:1989) - Technical drawings - Seals for dynamic application - Part 1: General simplified representation - is a drawing standard adopted by CEN for the simplified depiction of dynamic seals on mechanical engineering drawings. It defines a compact, unambiguous way to show seals when the exact shape or lip configuration is not required (for example in assembly drawings or general arrangement documentation). Use of this standardized symbol reduces drawing clutter, speeds drafting, and avoids misinterpretation.

Key Topics and Requirements

• When to use: Apply the general simplified representation when it is unnecessary to show the exact contour or lip details of a seal (assembly drawings, schematic layouts, catalog overviews).
• Symbol format: Represent the seal by a square with a freestanding diagonal cross centered inside the square. The diagonal cross must not touch the square outlines.
• Line work and scale:
  • Use the same visible-outline line thickness as other visible outlines on the drawing (line type A per ISO 128).
  • The seal symbol must be drawn to the same scale as the rest of the drawing.
• Sealing direction: If direction matters, indicate it by adding an arrowhead to the diagonal cross (or specify direction by text). If direction is unimportant the basic square + cross is sufficient.
• Exact contour option: If the true cross-sectional contour is required, show the true outline with a centered diagonal cross (cross not touching outlines).
• Hatching: Avoid hatching in simplified representations. If necessary (e.g., more detailed catalogue illustrations), hatch all inserts and similar elements with continuous thin lines (line type B per ISO 128) or use blackening for clarity.
• Consistency: To prevent misunderstandings, use only one kind of simplification (general or detailed) on a single drawing.

Practical Applications and Users

• Who uses it:
  • Mechanical design engineers and CAD technicians
  • Drafting offices producing assembly or installation drawings
  • Technical illustrators and spare-parts catalog creators
  • Seal and component manufacturers preparing standardized documentation
• Where it helps:
  • Assembly drawings, installation manuals, procurement documents
  • Product catalogs and parts lists where full seal geometry is unnecessary
  • Cross-disciplinary drawings where clarity and speed of interpretation are priorities

Related Standards

• ISO 9222-2 - Detailed simplified representation (for when lip configuration and more detail are required)
• ISO 128 - Technical drawings - General principles of presentation (line types, hatching)
• Reference: EN ISO 9222-1:1995 corresponds to ISO 9222-1:1989

Keywords: EN ISO 9222-1:1995, ISO 9222-1, technical drawings, seals for dynamic application, simplified representation, assembly drawings, mechanical engineering drawings, seal representation.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-1998
7HKQLþQHULVEH7HVQLOD]DGLQDPLþQRXSRUDERGHO6SORãQRSRHQRVWDYOMHQR
SULND]RYDQMH
Technical drawings - Seals for dynamic application - Part 1: General simplified
representation (ISO 9222-1:1989)
Technische Zeichnungen - Dichtungen für dynamische Belastung - Teil 1: Allgemeine,
vereinfachte Darstellung (ISO 9222-1:1989)
Dessins techniques - Joints d'étanchéité pour application dynamique - Partie 1:
Représentation simplifiée générale (ISO 9222-1:1989)
Ta slovenski standard je istoveten z: EN ISO 9222-1:1995
ICS:
01.100.20 Konstrukcijske risbe Mechanical engineering
drawings
21.140 Tesnilke, mašilke Seals, glands
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

INTERNATIONAL
Is0
STANDARD
9222-l
First edition
1989-07-01
Corrected and reprinted
1989-09-15
Technical drawings - Seals for dynamic
application -
Part 1 3
General simplified representation
- Joints d’&anch&& pour application dynamique -
Dessins techniques
Partie I : Reprksenta tion simplifi&e g&n&ale
Reference number
IS0 9222-l : 1989 (E)
1s0 9222-l : 1989 E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards bodies (IS0 member bodies). The work of preparing International
Standards is normally carried out through IS0 technical committees. Each member
body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, govern-
mental and non-governmental, in liaison with ISO, also take part in the work. IS0
collaborates closely with the International Electrotechnical Commission (IEC) on all
matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 9222-l was prepared by Technical Committee ISO/TC 10,
Technical drawings.
IS0 9222 consists of the following parts, under the general title Technical drawings -
Seals for dynamic application :
- Part I : General simplified representation
- Part 2 : De taifed simplified representation
0 IS0 1989
All rights reserved. No part of this publication may be reproduced or utilized in any form or by any
means, electronic or mechanical, including photocopying and microfilm, without permission in
writing from the publisher.
International Organization for Standardization
Case postale 56 l CH-1211 Geneve 20 l Switzerland
Printed in Switzerland
ii
IS0 9222-l : 1989 (E)
Introduction
IS0 9233 provides rules for the simplified representation of seals.
The principle of drawing practice is to depict the object to scale using lines. In
simplified representations, only essential features are shown, preferably in outline (in
order to save time and effort).
The degree of simplification depends on the kind of object represented, the scale of the
drawing and the purpose of the documentation
...