ASTM F2863-2011(2016) Standard Specification for Central Vacuum Hose Inlet Valve Socket Dimensions《中央真空软管入口阀插座尺寸的标准规格》.pdf
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1、Designation: F2863 11 (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 t
2、he case 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 tolera
3、nces of central-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
4、, and does not 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 a
5、ddress all of thesafety 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 Practi
6、ce for Conditioning Plastics for TestingD1600 Terminology for Abbreviated 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
7、.1 Definitions are in 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 conne
8、ct vacuum hoses to the central 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,
9、nobservable without enhancement 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 connecti
10、ons between central vacuum hose 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 soc
11、ket dimensions shallmeet the requirements 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 testinglaborat
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- ASTMF286320112016STANDARDSPECIFICATIONFORCENTRALVACUUMHOSEINLETVALVESOCKETDIMENSIONS 中央 真空 软管 入口 插座 尺寸

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