1、Designation:F 1040 87(Reapproved 2007)Standard Specification forFilter Units,Air Conditioning:Viscous-Impingement and DryTypes,Replaceable1This standard is issued under the fixed designation F 1040;the number immediately following the designation indicates the year oforiginal adoption or,in the case
2、 of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope1.1 This specificati
3、on covers throw-away,flat panel-typefilter units for use in air conditioning,heating,and ventilatingsystems.This specification also includes panel-type filters withpleated media.1.2 The values stated in inch-pound units are to be regardedas the standard.2.Referenced Documents2.1 ASTM Standards:2D 39
4、51 Practice for Commercial Packaging2.2ASHRAE Standard:52 Method of Testing Air-Cleaning Devices Used in Gen-eral Ventilation for Removing Particulate Matter32.3Federal Standard:Fed.Std.No.123 Military Standard for Marking for Ship-ment and Storage42.4Military Standard:MIL-STD-129 Marking for Shipme
5、nt and Storage42.5UL Standard:UL900 Test Performance of Air Filter Units53.Descriptions of Term Specific to This Standard3.1 net face areathe net upstream area of the mediumexposed to air flow measured in the plane or planes of themedia,excluding sealing flanges,framing supports,etc.4.Classification
6、4.1 The filters are furnished in two types as follows:4.1.1 Type 1Throw-away frames and media,and4.1.2 Type 2Permanent frames with replaceable media.4.2 The filters are furnished in three grades as follows:4.2.1 Grade AStandard dust-holding capacity,4.2.2 Grade BHigh dust-holding capacity,and4.2.3 G
7、rade CHigh arrestance.5.Ordering Information5.1 Contracts or orders for the units under this specificationshall include the following information:5.1.1 Quantity,5.1.2 Material for media frame for Type 2 filter,(see section6.4.4),5.1.3 Size,(See 7.1),5.1.4 Certification of the filter units by the pro
8、ducer orsupplier,if required,(see Section 10).6.Materials and Manufacture6.1 Filters shall be the manufacturers standard commercialproduct with any added features needed to comply with thespecified requirements.7.Physical Properties7.1 The filter units shall be the flat panel type,with orwithout ple
9、ated media.They shall be designed and fabricatedfor disposal when,because of accumulated dust loading,thedust-load limit is reached.In Type 2 filters,the media framesshall be permanent and the media pad only shall be disposable.The filter media shall be dry or adhesive-coated in accordancewith the m
10、anufacturers recommendations.7.2 Filter ConstructionFilters shall be constructed with90 corners.Frame edges shall be parallel to within116in.Media pad reinforcement in the form of grilles,retaining grids,fabric netting,or the equivalent shall be installed on both facesof the filter in accordance wit
11、h the manufacturers recommen-dations.The media shall be attached to the frame of Type 1filters,and supported in the frame of Type 2 filters,in such amanner that the media pad will not slump or otherwise be1This specification is under the jurisdiction of ASTM Committee D22 on AirQuality and is the di
12、rect responsibility of Subcommittee D22.05 on Indoor Air.Current edition approved April 1,2007.Published June 2007.Originallyapproved in 1987.Last previous edition approved in 2001 as F 1040-87(2001).2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service a
13、t serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Heating,Refrigerating,and Air-Conditioning Engineers,Inc.(ASHRAE),1791 Tullie Circle,NE,Atlanta,GA30329,http:/www.ashrae.org.4Avai
14、lable from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.5Available from Underwriters Laboratories(UL),333 Pfingsten Rd.,North-brook,IL 60062-2096,http:/.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,W
15、est Conshohocken,PA 19428-2959,United States.Copyright ASTM International Provided by IHS under license with ASTM Licensee=University of Texas Revised Sub Account/5620001114 Not for Resale,12/04/2007 07:27:08 MSTNo reproduction or networking permitted without license from IHS-,-,-permanently displac
16、ed under the conditions of maximum airvelocity(350 ft/min(1.78 m/s)and filter resistance specifiedherein.7.2.1 Filter MediaFilter media shall be suitable for theintended use and shall be composed of natural,synthetic,orinorganic fibers,or any combination of such fibers.The mediashall be nontoxic.The media shall be suitable for continuoususe at temperatures up to at least 150F(65.5C).Media forfilters normally requiring adhesive shall be furnished with theadhesive applied.7.2.2 Media FramesFrames
