BS ISO 6953-1-2015 Pneumatic fluid power Compressed air pressure regulators and filter-regulators Main characteristics to be included in literature from suppliers and product-marki.pdf

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1、BSI Standards PublicationBS ISO 6953-1:2015Pneumatic fluid power Compressed air pressureregulators and filter-regulatorsPart 1: Main characteristics to be includedin literature from suppliers and product-marking requirementsBS ISO 6953-1:2015 BRITISH STANDARDNational forewordThis British Standard is

2、 the UK implementation of ISO 6953-1:2015. It supersedes BS ISO 6953-1:2000 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MCE/18/-/5, Control components.A list of organizations represented on this committee can be obtained on request to its secretary

3、.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 76274 1ICS 23.100.50Compliance with a British Standard cannot conf

4、er immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 6953-1:2015 ISO 2015Pneumatic fluid power Compressed air pressur

5、e regulators and filter-regulators Part 1: Main characteristics to be included in literature from suppliers and product-marking requirementsTransmissions pneumatiques Rgulateurs de pression et filtres-rgulateurs pour air comprim Partie 1: Principales caractristiques inclure dans la documentation des

6、 fournisseurs et exigences de marquage du produitINTERNATIONAL STANDARDISO6953-1Third edition2015-03-01Reference numberISO 6953-1:2015(E)BS ISO 6953-1:2015ISO 6953-1:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015All rights reserved. Unless otherwise specified, no part of

7、 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 ISOs member body i

8、n the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 6953-1:2015ISO 6953-1:2015(E)Foreword ivIntroduction v1 Scope .12 Normative references 13 Terms and defi

9、nitions .24 Technical requirements 24.1 General . 24.2 General characteristics . 34.2.1 General dimensions . 34.2.2 Port forms 54.2.3 Rated pressure . 54.2.4 Range of operating temperatures . 54.3 Particular requirements 54.3.1 General 54.3.2 Adjustable pressure ranges (outlet regulated pressure) 54

10、.3.3 Flow-pressure characteristics 64.3.4 Pressure regulation characteristic . 74.3.5 Pilot pressure/regulated pressure characteristics. 74.3.6 Repeatability (optional characteristic) 94.3.7 Resolution in the case of pilot operated regulator with air bleed . 94.3.8 Maximum air consumption at null fo

11、rward flow rate or relief flow rate for pilot operated regulator with air bleed . 94.3.9 Useful retention capacity of the reservoir . 94.3.10 Filter-regulator draining devices . 94.3.11 Materials of construction 95 Operation and maintenance 106 Marking .107 Identification statement (Reference to ISO

12、 6953) .10Annex A (informative) Port forms from ISO 1179-1:1981 11Bibliography .12 ISO 2015 All rights reserved iiiContents PageBS ISO 6953-1:2015ISO 6953-1:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodi

13、es). 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

14、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 desc

15、ribed 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 t

16、o 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

17、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 on the meaning of ISO specific terms and expressions related to conformity assessment, a

18、s well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information .The committee responsible for this document is ISO/TC 131, Fluid power systems, Subcommittee SC 5, Control products and components.Thi

19、s third edition cancels and replaces the second edition (ISO 6953-1:2000), which has been technically revised. It also incorporates ISO 6953-1:2000/Cor 1:2006.ISO 6953 consists of the following parts, under the general title Pneumatic fluid power Compressed air pressure regulators and filter-regulat

20、ors: Part 1: Main characteristics to be included in the suppliers literature and product-marking requirements Part 2: Test methods to determine the main characteristics to be included in suppliers literature Part 3: Alternative test methods for measuring the flow-rate characteristics of pressure reg

21、ulatorsiv ISO 2015 All rights reservedBS ISO 6953-1:2015ISO 6953-1:2015(E)IntroductionIn pneumatic fluid power systems, power is transmitted and controlled through a gas under pressure within a circuit.When pressure reduction or pressure regulation is required, regulators and filter-regulators are c

22、omponents designed to maintain the pressure of the gas at an approximately constant level.It is therefore necessary to know some performance characteristics of these components in order to determine their suitability for an application. ISO 2015 All rights reserved vBS ISO 6953-1:2015BS ISO 6953-1:2

23、015Pneumatic fluid power Compressed air pressure regulators and filter-regulators Part 1: Main characteristics to be included in literature from suppliers and product-marking requirements1 ScopeThis part of ISO 6953 specifies which characteristics of compressed air pressure regulators are to be incl

24、uded in literature from their suppliers. It also applies to filter-regulators.This part of ISO 6953 applies to manually controlled direct operated types (with or without relieving mechanism), manually controlled internal pilot operating types (e.g. nozzle flapper), and external pilot operated types.

25、In addition, it specifies the product marking requirements for pressure regulators and filter-regulators.This part of ISO 6953 is applicable to compressed air pressure regulators with a rated inlet pressure of up to 2 500 kPa (25 bar) and an outlet adjustment pressure of up to 1 600 kPa (16 bar); an

26、d to filter-regulators with rated inlet and outlet pressures of up to 1 600 kPa (16 bar), in which the major contaminants are removed by mechanical means.NOTE 1 1 bar = 0,1 MPa = 105Pa; 1 MPa = 1 N/mm2.The rated pressure should be selected from the preferred pressures listed in ISO 2944.NOTE 2 The m

27、ain characteristics to be included in the suppliers literature related to electrically modulated pneumatic continuous pressure control valves are specified in ISO 10094-1.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispens

28、able for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 7-1:1994, Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and d

29、esignationISO 2944, Fluid power systems and components Nominal pressuresISO 5598, Fluid power systems and components VocabularyISO 5782-2:1997, Pneumatic fluid power Compressed-air filters Part 2: Test methods to determine the main characteristics to be included in suppliers literatureISO 6358-1, Pn

30、eumatic fluid power Determination of flow-rate characteristics of components using compressible fluids Part 1: General rules and test methods for steady-state flowISO 6953-2:2015, Pneumatic fluid power Compressed air pressure regulators and filter-regulators Part 2: Test methods to determine the mai

31、n characteristics to be included in literature from suppliersINTERNATIONAL STANDARD ISO 6953-1:2015(E) ISO 2015 All rights reserved 1BS ISO 6953-1:2015ISO 6953-1:2015(E)ISO 10094-1, Pneumatic fluid power Electro-pneumatic pressure control valves Part 1: Main characteristics to include in the supplie

32、rs literatureISO 11727, Pneumatic fluid power Identification of ports and control mechanisms of control valves and other components3 Terms and definitionsFor the purposes of this part of ISO 6953, the terms and definitions given in ISO 5598, ISO 6358-1, ISO 10094-1, and the following apply.3.1compre

33、ssed air pressure regulatorcomponent designed to maintain compressed air pressure, approximately constant within an enclosed circuit despite variation in operating flow rate and inlet pressure3.2relieving pressure regulatorpressure regulator equipped with an unloading device that opens if the regula

34、ted pressure exceeds the original setting by a sufficient degree, and exhausts a limited flow rate of air from the outlet circuit to the atmosphere3.3filter-regulatordevice that combines the filter and regulator onto one body as a single unitNote 1 to entry: In such a device, the filter is always on

35、 the upstream side of the regulator.3.4pilot-operated regulator with air bleedregulator designed to minimize the variation of regulated pressure from its set point during flow, using a pilot supply that continuously flows through the pilot chamber and is exhausted3.5flow-pressure characteristic curv

36、egraphical representation of the relationship between the regulated pressure and the forward flow rate or the relief flow rate while the outlet set pressure and the inlet pressure are maintained constant3.5.1forward flow/pressure characteristic curveflow/pressure characteristic curve in accordance w

37、ith 3.5 only for the forward flow rate3.5.2relief flow/pressure characteristic curveflow/pressure characteristic curve in accordance with 3.5 only for the relief flow rate3.6pressure regulation characteristic curvegraphical representation of regulated pressure variation caused by changes in inlet (s

38、upply) pressure, at a constant small air flow rate and low regulated pressure4 Technical requirements4.1 GeneralDescriptive literature covering compressed air pressure regulators and filter-regulators shall include the following characteristics given in 4.2 and 4.3.2 ISO 2015 All rights reservedBS I

39、SO 6953-1:2015ISO 6953-1:2015(E)4.2 General characteristics4.2.1 General dimensionsThe dimensions shown on Figure 1 shall be given in millimetres. For ports, see 4.2.2. ISO 2015 All rights reserved 3BS ISO 6953-1:2015ISO 6953-1:2015(E)KeyA maximum overall widthB maximum installation height below the

40、 port centre lineC maximum overall depth, excluding pressure gaugeD distance between the faces of the compressed air connection (inlet/outlet)E maximum height above the port centre lineFamaximum installation depth from the port centre lineG maximum dimension of the regulated pressure adjusting devic

41、eH minimum clearance from the port centre line to permit dismantlingJadistance between mounting holesKadistance between the port centre line and mounting holesLaminimum recommended diameter and length of mounting holesMapanel mounting threadNapanel mounting height above the port centre linePamaximum

42、 panel thicknessQbdistance between the port centre line to gage portV drain hole descriptionW port descriptionXbpilot port descriptionY pressure gauge port descriptionNOTEadimensions, F, J, K, L, M, N, and P shall be indicated only if the device has provisions for mounting;boptionalFigure 1 Dimensio

43、ns of compressed air regulators and filter-regulators4 ISO 2015 All rights reservedBS ISO 6953-1:2015ISO 6953-1:2015(E)4.2.2 Port formsPort forms should be selected from ISO 16030 or ISO 1179 (all parts) for ports with pipe parallel threads, or from ISO 7-1 for ports with pipe-tapered threads. The c

44、onnecting interface for flange-mounted designs can be plain ported and counter bored to accept O-rings.For certain applications and connections, other port forms can be employed.NOTE Annex A describes thread forms from the former ISO 1179:1981.4.2.3 Rated pressureCompressed air pressure regulators a

45、nd filter-regulators shall be classified according to their rated pressure, selected from ISO 2944.The rated pressure shall be verified using the test procedure specified in ISO 6953-2: 2015, Clause 6. This procedure verifies the pressure rating of the pressure-containing envelope but does not cover

46、 the limitation that can be imposed by the diaphragm. The range of duties and sensitivities of the diaphragm used vary widely and their strength can be limited to achieve the accuracy required by the application.4.2.4 Range of operating temperatures4.2.4.1 The temperature range in which the material

47、 and the operation of the pressure regulator and filter-regulator are not impaired shall be stated.4.2.4.2 Other combinations of pressure and temperature ratings for optional designs that could require a different rating shall be specified.4.3 Particular requirements4.3.1 GeneralThe data provided by

48、 the supplier shall assist the user in selecting the compressed air pressure regulator and filter-regulator best suited for the particular application.4.3.2 Adjustable pressure ranges (outlet regulated pressure)The upper limit of the recommended adjustable pressure range should normally be chosen fr

49、om the following preferred ranges but not to exceed the inlet rated pressure: up to 100 kPa (1 bar); up to 200 kPa (2 bar); up to 400 kPa (4 bar); up to 800 kPa (8 bar); up to 1 000 kPa (10 bar); up to 1 600 kPa (16 bar).Special ranges can also be available.The adjustability of the upper limit of the pressure range is a minimum and the upper limit should not be regarded as a limiting pressure. ISO 2015 All rights reserved 5BS ISO 6953-1:2015ISO 6953-1:2015(E)4.3.3 Flow-pressure characteristics