Hydraulic fluid power — Dimensions and requirements for screw-to-connect quick-action couplings for use at a pressure of 72 MPa (720 bar)

ISO 14540:2013 specifies dimensional and performance requirements for hydraulic screw-to-connect quick-action couplings designed to be used at pressure of 72 MPa (720 bar) in static conditions as an interface between a hydraulic power unit and a tool. Typical applications for these couplings are related to hydraulic jacks, rams, clamping devices, hand tools, and cylinders. ISO 14540:2013 covers two types of such couplings: the "P" type, which has a poppet valve, and the "S" type, which has a spherical valve.

Transmissions hydrauliques — Dimensions et exigences des raccords rapides de type à visser pour usage à une pression de 72 MPa (720 bar)

General Information

Status
Published
Publication Date
14-Mar-2013
Current Stage
9060 - Close of review
Start Date
04-Mar-2029
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ISO 14540:2013 - Hydraulic fluid power -- Dimensions and requirements for screw-to-connect quick-action couplings for use at a pressure of 72 MPa (720 bar)
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INTERNATIONAL ISO
STANDARD 14540
First edition
2013-03-15
Hydraulic fluid power — Dimensions
and requirements for screw-to-
connect quick-action couplings for use
at a pressure of 72 MPa (720 bar)
Transmissions hydrauliques — Dimensions et exigences des raccords
rapides de type à visser pour usage à une pression de 72 MPa (720 bar)
Reference number
ISO 14540:2013(E)
©
ISO 2013

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ISO 14540:2013(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2013
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.
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Published in Switzerland
ii © ISO 2013 – All rights reserved

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ISO 14540:2013(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Dimensional requirements . 1
5 Performance requirements . 3
6 Best practice . 3
7 Designation . 4
8 Marking . 4
9 Identification statement (reference to this International Standard) . 4
Annex A (normative) Basic dimensions of the 1-18 UNS inch screw thread .5
Bibliography . 6
© ISO 2013 – All rights reserved iii

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ISO 14540:2013(E)

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 r
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