Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 6: Cryogenic vacuum pumps

Technique du vide — Méthodes normalisées pour mesurer les performances des pompes à vide — Partie 6: Pompes à vide cryogéniques

General Information

Status
Not Published
Current Stage
6000 - International Standard under publication
Completion Date
14-Sep-2023
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ISO 21360-6 - Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 6: Cryo vacuum pumps Released:5. 07. 2023
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REDLINE ISO 21360-6 - Vacuum technology — Standard methods for measuring vacuum-pump performance — Part 6: Cryo vacuum pumps Released:5. 07. 2023
English language
12 pages
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FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 21360-6
ISO/TC 112
Vacuum technology — Standard
Secretariat: DIN
methods for measuring vacuum-pump
Voting begins on:
2023-07-19 performance —
Voting terminates on:
Part 6:
2023-09-13
Cryo vacuum pumps
Technique du vide — Méthodes normalisées pour mesurer les
performances des pompes à vide —
Partie 6: Pompes à vide cryogéniques
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 21360-6:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 21360-6:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 21360-6
ISO/TC 112
Vacuum technology — Standard
Secretariat: DIN
methods for measuring vacuum-pump
Voting begins on:
performance —
Voting terminates on:
Part 6:
Cryo vacuum pumps
Technique du vide — Méthodes normalisées pour mesurer les
performances des pompes à vide —
Partie 6: Pompes à vide cryogéniques
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
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.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 21360-6:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 21360-6:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Test methods . 3
5.1 Test gas . 3
5.2 Measurement of the volume flow rate (pumping speed) . 3
5.2.1 General . 3
5.2.2 Pretreatment procedure .
...

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ISO/TC 112/SC
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Date: 2023-05-24
18 pt
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ISO/DIS FDIS 21360-6:20222023(E)
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ISO/TC 112/SC /WG 1
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Secretariat: DIN
Style Definition: ANNEX
Date: 2023-07-04 Style Definition: AMEND Terms Heading: Font: Bold
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Vacuum technology — Standard methods for measuring vacuum-pump Bold
performance — Part 6: CryoCryogenic vacuum pumps Style Definition: IneraTableMultiPar: Font color: Black,
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---------------------- Page: 1 ----------------------
COPYRIGHT PROTECTED DOCUMENT
Technique du vide — Méthodes normalisées pour mesurer les performances des
pompes à vide — Partie 6: Pompes à vide cryogéniques

---------------------- Page: 2 ----------------------
ISO/DIS FDIS 21360-6:2023(E)
Formatted: Font: 11.5 pt
Formatted: Font: 11.5 pt
Formatted: Justified, Space After: 37 pt
Formatted: English (United Kingdom)
© ISO 2023
Formatted
All rights reserved. Unless otherwise specified, 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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
copyright@iso.org
www.iso.org
www.iso.org
Formatted: English (United Kingdom)
Formatted: Space Before: 18 pt, After: 0 pt, Line
spacing: Exactly 12 pt
Formatted: English (United Kingdom)
Formatted: Font: 11 pt, English (United Kingdom)
Formatted: Indent: Left: 0 pt, Space Before: 18 pt, After:
0 pt, Line spacing: Exactly 12 pt
Formatted: Font: 11 pt, English (United Kingdom)
Formatted: Font: 11 pt, English (United Kingdom)
ii © ISO 2023 – All rights reserved

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ISO/DIS FDIS 21360-6:2023(E)
Formatted: Font: 11.5 pt
Formatted: Font: 11.5 pt
Formatted: Tab stops: Not at 487.6 pt
Contents Page
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms . 2
5 Test methods . 3
5.1 Test gas . 3
5.2 Measurement of the volume flow rate (pumping speed) . 3
5.2.1 General . 3
5.2.2 Volume flow rate (pumping speed) measurement by the throughput method . 3
5.2.3 Volume flow rate (pumping speed) measurement by the orifice method . 3
5.2.4 Pretreatment procedure . 3
5.2.5 Measurement of wat
...

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