1、Designation:F286311(Reapproved 2016)An American National StandardStandard Specification forCentral Vacuum Hose Inlet Valve Socket Dimensions1This standard is issued under the fixed designation F2863;the number immediately following the designation indicates the year oforiginal adoption or,in the cas
2、e of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification establishes requirements and testmethods for dimensions and tolerances of cent
3、ral-vacuum hoseinlet valve sockets.1.2 All notes and footnotes shall be considered as non-mandatory requirements of the specification.1.3 This specification does not apply to inlet valve back-up(or mounting)plates.1.4 This standard is applicable to universal valves markedwith ASTM F2863,and does not
4、 limit proprietary valvedesigns.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all of t
5、hesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning
6、 Plastics for TestingD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2749 Symbols for Dimensions of Plastic Pipe FittingsF412 Terminology Relating to Plastic Piping Systems3.Terminology3.1 Definitions are in
7、 accordance with Terminology F412,abbreviations are in accordance with Terminology D1600,anddimension symbols are in accordance with SpecificationD2749.3.2 Definitions of Terms Specific to This Standard:3.2.1 central vacuum hose inlet valve,nI.D.controlledvalves used to connect vacuum hoses to the c
8、entral vacuumtubing systems.3.2.2 hose cuff,nend connector of a flexible centralvacuum hose that fits inside the socket of a central vacuumhose inlet valve.3.2.3 proprietary valve,nvalve with unique design spe-cific to manufacturers system specifications.3.2.4 unaided eye,nobservable without enhance
9、ment be-yond correction for normal vision.3.2.5 universal valve,nValve meeting Fig.1 dimensionalspecifications.4.Significance and Use4.1 The requirements of this specification are intended toprovide inlet valve socket dimensions to establish standardiza-tion of connections between central vacuum hos
10、e cuff and thesocket of the central vacuum hose inlet valve.5.Materials5.1 Basic MaterialsMetallic and non-metallic as specifiedby the central vacuum inlet valve purchaser and the seller.6.Requirements6.1 GeneralDimensions and Tolerances:6.1.1 Socket DimensionsThe socket dimensions shallmeet the req
11、uirements given in Fig.1,when measured inaccordance with Test Method D2122.7.Test Method7.1 SamplingThe selection of Hose Inlet Valve samplesshall be as agreed upon between the purchaser and seller.Incase of no prior agreement,samples selected by a testinglaboratory shall be deemed adequate.7.2 Cond
12、itioningFor time-of-manufacture testing,condi-tioning shall be permitted at the ambient temperature and1This test method is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct responsibility of Subcommittee F11.30 on Durability-Reliability.Current edition approved Oct.1,2
13、016.Published October 2016.Originallyapproved in 2011.Last previous edition approved in 2011 as F2863 11.DOI:10.1520/F2863-11R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,r
14、efer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 humidity of the manufacturers facility.For non-metallic ref-eree purposes,conditioning shall be in accordance with proce-dure A
15、 of Practice D618.7.3 TestingTesting shall be in accordance with TestMethod D2122.8.Retest and Rejection8.1 If the results of any test(s)do not meet the requirementsof this specification,the tests shall be conducted again inaccordance with an agreement between the purchaser and theseller.There shall
16、 be no agreement to lower the minimumrequirements of this specification by such means as omittingtests that are a part of this specification,substituting ormodifying a test method,or by changing the specificationlimits.In retesting,the product requirements of this specifica-tion shall be met,and the test methods designated in thespecification shall be followed.If,upon retest,failure occurs,the quantity of product represented by the test(s)does not meetthe requirements of this specification.9.Qua
