1、BS ISO10263-2:2009ICS 53.100NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDEarth-movingmachinery Operatorenclosure environmentPart 2: Air filter element test methodThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommitte
2、e on 30 April2009 BSI 2009ISBN 978 0 580 57406 1Amendments/corrigenda issued since publicationDate CommentsBS ISO 10263-2:2009National forewordThis British Standard is the UK implementation of ISO 10263-2:2009. Itsupersedes BS 6912 22.2:1996 which is withdrawn.The UK participation in its preparation
3、 was entrusted to TechnicalCommittee B/513/1, Earth moving machinery (International).A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its
4、correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.-BS ISO 10263-2:2009Reference numberISO 10263-2:2009(E)ISO 2009INTERNATIONAL STANDARD ISO10263-2Second edition2009-02-01Earth-moving machinery Operator enclosure environment Part 2: Air filter element
5、 test method Engins de terrassement Environnement de lenceinte de loprateur Partie 2: Mthode dessai de llment du filtre air BS ISO 10263-2:2009ISO 10263-2:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or view
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10、1 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reservedBS ISO 10263-2:2009ISO 10263-2:2009(E) ISO 2009 All rights reserved iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 Air filter element perfo
11、rmance test . 1 5 Test report . 3 Annex A (informative) Example of test report form for panel-type filter 7 Annex B (informative) Alternate method for air filter element performance evaluation. 8 Bibliography . 10 BS ISO 10263-2:2009ISO 10263-2:2009(E) iv ISO 2009 All rights reservedForeword ISO (th
12、e 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 committ
13、ee 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 electrotechn
14、ical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member
15、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 possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying
16、any or all such patent rights. ISO 10263-2 was prepared by Technical Committee ISO/TC 127, Earth-moving machinery, Subcommittee SC 2, Safety, ergonomics and general requirements. This second edition cancels and replaces the first edition (ISO 10263-2:1994), which has been technically revised. ISO 10
17、263 consists of the following parts, under the general title Earth-moving machinery Operator enclosure environment: Part 1: Terms and definitions Part 2: Air filter element test method Part 3: Pressurization test method Part 4: Heating, ventilating and air conditioning (HVAC) test method and perform
18、ance Part 5: Windscreen defrosting system test method Part 6: Determination of effect of solar heating BS ISO 10263-2:2009INTERNATIONAL STANDARD ISO 10263-2:2009(E) ISO 2009 All rights reserved 1Earth-moving machinery Operator enclosure environment Part 2: Air filter element test method 1 Scope This
19、 part of ISO 10263 specifies a uniform test method to determine performance levels of operator enclosure panel-type air filters used to filter the air entering an earth-moving machine operator enclosure with a powered fresh air system. 2 Normative references The following referenced documents are in
20、dispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5011:2000, Inlet air cleaning equipment for internal combustion engines and compressor
21、s Performance testing ISO 10263-1, Earth-moving machinery Operator enclosure environment Part 1: Terms and definitions ISO 12103-1, Road vehicles Test dust for filter evaluation Part 1: Arizona test dust 3 Terms and definitions For the purposes of this document, the terms and definitions given in IS
22、O 10263-1 and the following apply. 3.1 filter efficiency measure of the ability of the air filter element to remove particulate matter 3.2 operator enclosure air filter element medium in which particulate matter is removed from the incoming air supply 3.3 test dust particulate matter used to evaluat
23、e the filter element 4 Air filter element performance test The test shroud configurations for the operator enclosure filter comparison tests are given in 4.1.1 and Figure 1. This test procedure also designates a recommended intake velocity for the dust-mixing chamber. BS ISO 10263-2:2009ISO 10263-2:
24、2009(E) 2 ISO 2009 All rights reserved4.1 Test equipment and instruments 4.1.1 Test equipment Test equipment in accordance with Figure 2, used to determine the resistance to air flow, particulate holding capacity, particulate removal efficiency, and sealing characteristics. For element configuration
25、s other than panel type, see ISO 5011. 4.1.2 Dust metering device Dust metering device used in accordance with Figure 3 and the dust injector in Figure 4 is capable of metering dust over the range of delivery rates required. This dust feed system shall not change the primary particle size distributi
26、on of the particulate. The average delivery rate shall be within 5 % of the desired rate and the deviation in the instantaneous delivery rate from the average shall be no more than 5 %. 4.2 Test conditions and material 4.2.1 All air flow measurements are to be corrected to a standard condition of 25
27、 C at 100 kPa. 4.2.2 Test dust shall be standardized and shall be of two grades labelled ISO 12103-A2 (fine) and ISO 12103-A4 (coarse). For typical particle size distribution and chemical composition, refer to ISO 12103-1. It is difficult to select a test dust size distribution and concentration whi
28、ch will be representative of all service conditions, therefore based primarily on practical considerations, the concentration shall be 1 g/m3for A2 and A4 dusts (1 g/m3is generally accepted as zero visibility conditions). 4.2.3 The absolute filter shall consist of fibreglass medium with a minimum th
29、ickness of 12,7 mm and a minimum density of 9,5 kg/m3. The fibre diameter shall be 0,76 m to 1,27 m and the moisture absorption shall be less than 1 % by weight after exposure to 50 C and 95 % relative humidity for 96 h. The filter shall be installed with the nap side facing upstream in an airtight
30、holder that adequately supports the medium. The face velocity shall not exceed 50 m/min to maintain medium integrity. 4.2.4 The mass of the absolute filter shall be measured to the nearest 0,01 g after the weight has stabilized and while in a ventilation oven at (105 5) C. 4.2.5 All tests shall be c
31、onducted with air entering the air filter at a temperature of (24 8) C and a relative humidity of (50 15) %. NOTE Since atmospheric conditions affect test results, when comparing performance of filters designed for the same application, tests are conducted within the narrowest range of temperature a
32、nd humidity possible. 4.2.6 The velocity of the air entering the top of the dust mixing chamber shall be a minimum of 6 m/s. See Figure 1. 4.2.7 Air flow restriction and pressure drop tests shall be conducted using a minimum of three points: 80 %, 100 % and 120 % of rated air flow using the element
33、restriction test setup shown in Figure 2. Condition the unit to be tested for at least 30 min under temperature and humidity conditions equivalent to those of the test area. 4.2.8 The air filter efficiency, E, as a percentage, is calculated as given in Equation (1): ttA100mEm+ m=(1) where mtis the i
34、ncrease in mass of the filter element under test; mAis the increase in mass of the absolute filter. The alternative efficiency method is given in Annex B. BS ISO 10263-2:2009ISO 10263-2:2009(E) ISO 2009 All rights reserved 35 Test report A sample test report form for panel-type air filters is given
35、in Annex A. Key 1 dust injectors 2 filter element being tested 3 piezometer ring 4 absolute filter housing 5 blower 6 restrictor plates aFilter depth. bFlow. cCompressed air. dFrom dust feeder. eVelocity calculated between top restrictor plates. Figure 1 Test shroud BS ISO 10263-2:2009ISO 10263-2:20
36、09(E) 4 ISO 2009 All rights reservedKey 1 compressed air supply 2 compressed air lines 3 dust metering device 4 dust transfer tubing 5 dust injectors 6 test shroud 7 filter element being tested 8 piezometer ring 9 restriction measuring device 10 absolute filter housing 11 flow rate measuring device
37、12 flow rate control system 13 blower or other device for inducing air flow Figure 2 Test equipment setup BS ISO 10263-2:2009ISO 10263-2:2009(E) ISO 2009 All rights reserved 5Key 1 power cord 2 control box 3 tray drive motor 4 guide base 5 dust tray 6 brush drive motor 7 feeder brush 8 aspirator man
38、ifold Figure 3 Dust feeder BS ISO 10263-2:2009ISO 10263-2:2009(E) 6 ISO 2009 All rights reservedDimensions in millimetres aAir entry. bDust entry. cDust and air exit. Figure 4 Dust injector BS ISO 10263-2:2009ISO 10263-2:2009(E) ISO 2009 All rights reserved 7Annex A (informative) Example of test rep
39、ort form for panel-type filter Test flow rate: m3/min Initial restriction: Pa Dust concentration (4.2.2 and ISO 10263-4:2008, 6.1.4): . g/m3Dust type: .A2/A4 Minimum quantity of dust to obtain a restriction of Pa: .g Minimum efficiency of filter element at above restriction:% Minimum efficiency of f
40、ilter element for a restriction of 125 Pa, initial efficiency:% Laboratory test conditions Before After Temperature C . C Relative humidity % . % Barometric pressure kPa . kPa BS ISO 10263-2:2009ISO 10263-2:2009(E) 8 ISO 2009 All rights reservedAnnex B (informative) Alternate method for air filter e
41、lement performance evaluation B.1 General The efficiency calculation method shown from B.2.2.1 to B.2.2.5 corresponds to ISO 5011:2000, 7.5.2.11 to 7.5.2.15. This method can produce efficiency results that are erroneously high unless procedures cited in B.2.2.1 and B.2.2.2 are strictly followed. Wei
42、ghing the complete unit as prescribed in B.2.2.3 can induce filter element efficiency calculation errors as dust in the ducting and test chamber becomes included in the filter element efficiency calculation and is not part of the filter element. The statement in B.2.2.2 that dust removed from the ex
43、terior surfaces/ducting/test chambers should be transferred to the original dust container is erroneous. This is not an acceptable practice. During a test, large particles can become separated from the flow stream and settle in the duct. Returning them to the original dust container will change the
44、dust distribution of that test dust sample and render it invalid. All dust from the exterior surfaces, ducting, and test chambers is to be discarded. B.2 Test procedure for alternate filter efficiency method B.2.1 The alternate filter efficiency calculation method as defined in ISO 5011:2000, 7.5.2,
45、 may be used provided the test practices prescribed in B.1 are followed. B.2.2 The following clauses of ISO 5011:2000 are repeated here for reference: B.2.2.1 Brush any observed dust on the downstream side of the test unit onto the absolute filter. Carefully remove and reweigh the absolute filter pa
46、d and determine the increase in mass by comparison with the mass recorded in 7.5.2.2. B.2.2.2 Collect all dust which has settled on exterior surfaces/ducting/test chamber or the inlet side of the test unit and transfer this dust to the original dust container. Transfer all unused dust in the dust fe
47、ed device to the original dust container and reweigh the container and dust. By subtraction of this mass from the mass recorded in 7.5.2.3. determine the total mass of dust injected into the test unit. B.2.2.3 If it is practicable, reweigh the complete unit under test. B.2.2.4 Calculate the capacity
48、, C, of the unit under test as follows: DFCm m= (B.1) where Dm is the mass of dust fed; Fm is the increase in mass of the absolute filter. BS ISO 10263-2:2009ISO 10263-2:2009(E) ISO 2009 All rights reserved 9B.2.2.5 Calculate the full-life efficiency, Ef, as a percentage, as follows: DFfD100 %mmEm= (B.2) where the symbols are as in Equation (B.1). BS ISO 10263-2:2009ISO 10263-2:2009(E) 10 ISO 2009 All rights reservedBibliography 1 ISO/TS 11155-1, Road vehicles Air filters for passenger compartments Part 1: Test for particulate filtration BS ISO 10263-2:2009BS ISO 10263-2:200
