ISO 9803-1:2020
(Main)Vacuum technology — Mounting dimensions of pipeline fittings — Part 1: Non knife-edge flange type
Vacuum technology — Mounting dimensions of pipeline fittings — Part 1: Non knife-edge flange type
This document specifies mounting dimensions for vacuum pipeline fittings (elbows, tees and crosses) of non knife-edge flange for nominal bores from 10 mm to 250 mm of the R5 series.
Technique du vide — Dimensions de montage des raccords de conduit — Partie 1: Brides de type sans guillotine
General Information
- Status
- Published
- Publication Date
- 06-Jan-2020
- Technical Committee
- ISO/TC 112 - Vacuum technology
- Drafting Committee
- ISO/TC 112/WG 3 - Vacuum hardware
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 10-Jun-2025
- Completion Date
- 14-Feb-2026
Relations
- Effective Date
- 23-Apr-2020
Overview
ISO 9803-1:2020 defines the standardized mounting dimensions for vacuum pipeline fittings using non knife-edge flange types, specifically elbows, tees, and crosses. Targeted at nominal bores from 10 mm to 250 mm within the R5 series, this international standard ensures compatibility and interoperability across vacuum systems. By referencing ISO 1609 and ISO 2861 for flange dimensions, ISO 9803-1:2020 streamlines the integration of vacuum components in scientific, industrial, and research applications where reliable pipeline connections are essential.
Key Topics
- Scope and Applicability: The standard applies to vacuum pipeline fittings with non knife-edge flange types for bores ranging from 10 mm to 250 mm.
- Mounting Dimensions: Specifies critical dimensions for elbows, tees, and crosses to ensure uniformity and interchangeability.
- Flange Specifications: References ISO 1609 and ISO 2861 for detailed flange and coupling dimensions, ensuring industry-wide alignment.
- Bolt Hole Positions: Details standardized positions for bolt holes on flanges to maintain consistency and assembly ease.
- Tolerance Requirements: Provides permissible tolerances for edge dimensions and face angularity, promoting precise fitting and system sealing.
- Rotatable Flanges: Allows for at least one rotatable flange, enabling flexible assembly and orientation adjustments.
- Update Highlights: This latest edition revises normative references and updates the bibliographic listing for continued industry relevance.
Applications
The adoption of ISO 9803-1:2020 benefits a diverse array of sectors that utilize vacuum technology. Key areas of application include:
- Vacuum Equipment Manufacturing: Facilitates the production of compatible pipeline fittings, enabling seamless assembly and replacements.
- Research Laboratories: Assures that complex vacuum systems can be constructed and modified with standardized components for accurate experimental results.
- Semiconductor and Electronics Production: Ensures leak-tight, reliable vacuum connections critical for processing equipment.
- Pharmaceutical and Chemical Processing: Supports high-integrity pipeline assembly for systems requiring strict contamination controls.
- Industrial Vacuum Systems: Provides manufacturers and users with confidence in the durability and interchangeability of pipeline components.
Standardizing mounting and flange dimensions with ISO 9803-1:2020 reduces custom engineering requirements, minimizes manufacturing errors, and helps maintain operational efficiency across global supply chains.
Related Standards
For comprehensive vacuum system design and integration, ISO 9803-1:2020 should be used in conjunction with the following related standards:
- ISO 1609: Vacuum technology - Dimensions of non-knife edge flanges
- ISO 2861: Vacuum technology - Dimensions of clamped-type quick-release couplings
- ISO 3669: Vacuum technology - Dimensions of knife-edge flanges
- ISO 9803-2: Vacuum technology - Mounting dimensions of pipeline fittings - Part 2: Knife-edge flange type
- ISO 3: Preferred numbers - Series of preferred numbers
Adhering to these standards ensures consistent performance, reliable operation, and global compatibility in vacuum technology projects.
Keywords: vacuum technology, ISO 9803-1:2020, pipeline fittings, non knife-edge flange, mounting dimensions, elbows, tees, crosses, ISO standards, vacuum system components, R5 series, industrial vacuum, flange type, standardization.
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ISO 9803-1:2020 - Vacuum technology -- Mounting dimensions of pipeline fittings
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Frequently Asked Questions
ISO 9803-1:2020 is a standard published by the International Organization for Standardization (ISO). Its full title is "Vacuum technology — Mounting dimensions of pipeline fittings — Part 1: Non knife-edge flange type". This standard covers: This document specifies mounting dimensions for vacuum pipeline fittings (elbows, tees and crosses) of non knife-edge flange for nominal bores from 10 mm to 250 mm of the R5 series.
This document specifies mounting dimensions for vacuum pipeline fittings (elbows, tees and crosses) of non knife-edge flange for nominal bores from 10 mm to 250 mm of the R5 series.
ISO 9803-1:2020 is classified under the following ICS (International Classification for Standards) categories: 23.160 - Vacuum technology. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 9803-1:2020 has the following relationships with other standards: It is inter standard links to ISO 9803-1:2007. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 9803-1:2020 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 9803-1
Second edition
2020-01
Vacuum technology — Mounting
dimensions of pipeline fittings —
Part 1:
Non knife-edge flange type
Technique du vide — Dimensions de montage des raccords de
conduit —
Partie 1: Brides de type sans guillotine
Reference number
©
ISO 2020
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 1
Bibliography . 4
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO 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, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expression
...
INTERNATIONAL ISO
STANDARD 9803-1
Second edition
2020-01
Vacuum technology — Mounting
dimensions of pipeline fittings —
Part 1:
Non knife-edge flange type
Technique du vide — Dimensions de montage des raccords de
conduit —
Partie 1: Brides de type sans guillotine
Reference number
©
ISO 2020
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 1
Bibliography . 4
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO 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, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expression
...
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