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    BS ISO 10041-1-2010 Pneumatic fluid power Electro-pneumatic continuous flow control valves Main characteristics to include in the supplier-s literature《气动流体动力 电气压控制阀 包含在供应商文件中的主要特征.pdf

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    BS ISO 10041-1-2010 Pneumatic fluid power Electro-pneumatic continuous flow control valves Main characteristics to include in the supplier-s literature《气动流体动力 电气压控制阀 包含在供应商文件中的主要特征.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 10041-1:2010Pneumatic fluid power Electro-pneumatic continuousflow control valvesPart 1: Main characteristics to include in thesuppliers literatureBS ISO 10041-1:2010 BRIT

    2、ISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 10041-1:2010.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/18/-/5, Control components.A list of organizations represented on this committee can beobtained on request to its secretary.

    3、This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 66297 3ICS 23.100.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published und

    4、er the authority of theStandards Policy and Strategy Committee on 30 November 2010.Amendments issued since publicationDate Text affectedBS ISO 10041-1:2010Reference numberISO 10041-1:2010(E)ISO 2010INTERNATIONAL STANDARD ISO10041-1First edition2010-10-15Pneumatic fluid power Electro-pneumatic contin

    5、uous flow control valves Part 1: Main characteristics to include in the suppliers literature Transmissions pneumatiques Distributeurs lectropneumatiques commande continue de dbit Partie 1: Principales caractristiques inclure dans la documentation du fournisseur BS ISO 10041-1:2010ISO 10041-1:2010(E)

    6、 PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file,

    7、 parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info rela

    8、tive to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYR

    9、IGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, 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 either ISO at the address below

    10、or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 10041-1:2010ISO 10041-1:2010(E) ISO 2010 All

    11、 rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references1 3 Terms and definitions .2 4 Symbols and unit.3 5 Characteristics.3 5.1 General .3 5.2 Electrical characteristics 3 5.3 Static characteristics 4 5.4 Dynamic characteristics .9 6 Identification statement (re

    12、ference to this part of ISO 10041) .13 Bibliography14 BS ISO 10041-1:2010ISO 10041-1:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Internationa

    13、l 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,

    14、also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical commi

    15、ttees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the po

    16、ssibility 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. ISO 10041-1 was prepared by Technical Committee ISO/TC 131, Fluid power systems, Subcommittee SC 5, Control products and componen

    17、ts. ISO 10041 consists of the following parts, under the general title Pneumatic fluid power Electro-pneumatic continuous flow control valves: Part 1: Main characteristics to include in the suppliers literature Part 2: Test methods to determine main characteristics to include in the suppliers litera

    18、ture BS ISO 10041-1:2010ISO 10041-1:2010(E) ISO 2010 All rights reserved vIntroduction In pneumatic fluid power systems, power is transmitted and controlled through a gas under pressure within a circuit. Electro-pneumatic continuous flow control valves continuously modulate the pneumatic power of a

    19、system in response to a continuous electrical control signal and link the electrical control quantity to the effective section of each variable port of the output stage (flow rate stage). The mass flow rate that crosses each restriction depends on the downstream and upstream pressures and the type o

    20、f gas. When control of position or force, including position- or force-tracking of a pneumatic cylinder, is required, electro-pneumatic continuous flow control valves can be used to precisely modulate the mass flow rates entering or exiting each cylinder chamber, resulting in a precise positioning.

    21、It is, therefore, necessary to know some performance characteristics of these electro-pneumatic continuous flow control valves in order to determine their suitability for a particular application. BS ISO 10041-1:2010BS ISO 10041-1:2010INTERNATIONAL STANDARD ISO 10041-1:2010(E) ISO 2010 All rights re

    22、served 1Pneumatic fluid power Electro-pneumatic continuous flow control valves Part 1: Main characteristics to include in the suppliers literature 1 Scope This part of ISO 10041 specifies the characteristics of electro-pneumatic continuous flow control valves that are to be included in the suppliers

    23、 literature. According to ISO 5598, continuous control valves include: electrically modulated pneumatic proportional flow control valves, pneumatic proportional flow control valves, flow control servo-valves. This part of ISO 10041 is limited to the characterisation of valves that exhaust into the a

    24、tmosphere except for two-port valves. NOTE The characteristics of electro-pneumatic continuous pressure control valves are specified in ISO 10094-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the editio

    25、n cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5598, Fluid power systems and components Vocabulary ISO 10041-2:2010, Pneumatic fluid power Electro-pneumatic continuous flow control valves Part 2: Test methods to determin

    26、e main characteristics to include in the suppliers literature ISO 10094-2:2010, Pneumatic fluid power Electro-pneumatic pressure control valves Part 2: Test methods to determine main characteristics to include in the suppliers literature BS ISO 10041-1:2010ISO 10041-1:2010(E) 2 ISO 2010 All rights r

    27、eserved3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 5598 and the following apply. 3.1 electro-pneumatic continuous flow control valve flow control valve that continuously modulates the pneumatic power of a system in response to a continuous electr

    28、ical control signal and that links the electrical control quantity to the effective section of each variable port of the output stage (flow rate stage) NOTE The mass flow rate that crosses each restriction depends on the downstream and upstream pressures and the type of gas. 3.2 flow control servo-v

    29、alve electrically modulated continuous flow control valve with internal feedback control loop 3.3 inlet pressure pressure at the inlet port of a component, piping or system 3.4 operating pressure pressure measured by an external transducer, mounted on a measuring tube or on a volume connected to the

    30、 working port of the control valve 3.5 exhaust pressure pressure at the air exhaust port 3.6 electrical control signal set signal electrical signal applied to a control device NOTE The median of the electrical control signal is equal to the mean of the minimum and maximum values, usually noted as 0

    31、%. In this part of ISO 10041, the electrical control signal is a symmetrical signal graduated in percent, varying from 100 % (minimum value) to +100 % (maximum value). 3.7 control signal-flow rate characteristic curve graphical representation of the global flow rate versus the electrical control sig

    32、nal over its full scale while the operating and inlet pressures are held constant 3.8 pressure-flow rate characteristic curve graphical representation of the global flow rate versus the pressure ratio while the electrical control signal and the inlet pressure are held constant 3.9 pressure gain char

    33、acteristic curve at null operating flow rate graphical representation of the operating pressure versus the electrical control signal over its full scale while the operating flow rate is null and the inlet pressure is held constant 3.10 leakage characteristic curve at null operating flow rate graphic

    34、al representation of leakage flow rate measured at the inlet port versus the electrical control signal over its full scale while the operating flow rate is null and the inlet pressure is held constant BS ISO 10041-1:2010ISO 10041-1:2010(E) ISO 2010 All rights reserved 34 Symbols and unit For the pur

    35、poses of the present document, the symbols and units listed in Table 1 apply. Table 1 Symbols and units Description Symbol SI Unit Critical back-pressure ratio b Sonic conductance C m3/(sPa) (ANR)aSubsonic index m Atmospheric pressure patmPa Stagnation gauge pressure related to the inlet portbp1Pa S

    36、tagnation gauge pressure related to the working portbp2, p4Pa Stagnation gauge pressure related to the air exhaust portbp3, p5Pa Repeatability r % Electrical control signal w V, mA or control signal Cracking pressure pcPa Resolution S % aReference atmosphere is defined in ISO 87782, i.e.: T0= 293,15

    37、 K, p0= 100 kPa (1 bar) and relative humidity of 65 %. bIn accordance with ISO 11727. 5 Characteristics 5.1 General Suppliers literature providing information about electro-pneumatic continuous flow control valves shall include the characteristics given in 5.2 to 5.4. Two-port electro-pneumatic cont

    38、inuous flow control valves are not concerned with the static characteristics specified in 5.3.3 and in 5.3.4 (pressure gain characteristic and maximum leakage flow rate at null operating flow rate). The data provided by the supplier shall assist the user in selecting the electro-pneumatic continuous

    39、 flow control valve that is best suited for a particular application. The characterised valve shall be described as having a symmetrical electrical control signal varying from 100 % to +100 % around a median value, noted as 0 %, in accordance with 3.6. NOTE Even if the electrical control signal is n

    40、ot symmetrical, it is possible to describe it as a symmetrical signal as specified above. For example, in case of electrical control signal of 4 mA-20 mA, the median value corresponds to the value of 12 mA, and the values of 100 % and +100 % correspond respectively to 4 mA and 20 mA. 5.2 Electrical

    41、characteristics The required minimum voltage, the required minimum current and the required minimum power of the power supply shall be given. BS ISO 10041-1:2010ISO 10041-1:2010(E) 4 ISO 2010 All rights reserved5.3 Static characteristics 5.3.1 Control signal-flow rate characteristics 5.3.1.1 Charact

    42、eristic curves 5.3.1.1.1 Characteristic curves shall be created using data from tests conducted in accordance with ISO 10041-2:2010, 7.2.1 to 7.2.4. 5.3.1.1.2 The actual flow rate at each working port measured at the same conditions as expected in normal use shall be indicated by curves, in accordan

    43、ce with Figure 1. Each curve describes the operating flow rate at the port under consideration, depending on the electrical control signal over its full scale, for given operating and inlet pressures noted in relative value, as shown in Figure 1. 5.3.1.1.3 For each working port, this graph shall hav

    44、e at least three curves that differ in their operating pressure, p2or p4, settings, as referenced in Figure 1, equal to, respectively: exhaust pressure (atmospheric pressure, patm), inlet pressure p1 minus 100 kPa (1 bar), and inlet pressure p1(except for two-port valves). 5.3.1.1.4 Each curve shown

    45、 in Figure 1 shall be plotted in accordance with ISO 10041-2:2010, 7.3.1.2 to 7.3.1.4, taking for each value of electrical control signal the mean value of two measured flow rates with both increasing and decreasing electrical control signals. Positive values of flow rate correspond to forward flow

    46、rates whereas negative values correspond to relief flow rates. 5.3.1.1.5 The curves obtained for the operating pressure, p2or p4, equal to the exhaust pressure (patm) show the maximum effective forward flow rate of the continuous flow control valve in relation to the electrical control signal. In th

    47、e same way, the curves obtained for the operating pressure, p2or p4,equal to the supply pressure, p1show the maximum effective relief flow rate of the continuous flow control valve in relation to the electrical control signal. These two sets of curves define the network envelope characterising the c

    48、ontrol signal-flow rate curves for an operating pressure, p2or p4, varying between inlet (p1) and exhaust (patm) pressure. 5.3.1.1.6 The curves obtained for the intermediary operating pressure value (p1 100 kPa) enables the illustration of the form of the variation of the effective flow rate in rela

    49、tion to the electrical control signal for an operating pressure value other than the minimum or maximum. BS ISO 10041-1:2010ISO 10041-1:2010(E) ISO 2010 All rights reserved 5a) Case of three-port control valve b) Case of five-port control valve c) Case of two-port control valve Key X electrical control signal, in % 1 1stquadrant Y1forward flows, in dm3/s (ANR) 2 2ndquadrant Y2relief flows, in dm3/s (ANR) 3 3rd quadrant p1inlet pressure, p1= 630 kPa (6,3 bar) 4 4thquadrant 5 por


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