MIL-STD-868A (NOTICE 2), MILITARY STANDARD: NICKEL PLATING, LOW EMBRITTLEMENT, ELECTRO-DEPOSITION (09 DEC 1996) [NO S/S DOCUMENT]., MIL-STD-868A, dated 23 March, 1979, and any subsequent revisions or change notices are inactive for new design and shall be no longer used as a guidance reference for new designs.【英文标准名称】:Predominantlykey-operatedcastirongatevalvesforundergrounduse
【原文标准名称】:地下用的按钮操纵的铸铁闸阀
【标准号】:ISO7259-1988
【标准状态】:现行
【国别】:国际
【发布日期】:1988-12
【实施或试行日期】:1988-12-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC153
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;插板阀;铸铁制品;铸铁;规范;滑阀;作标记;阀门;尺寸;名称与符号
【英文主题词】:Cast-iron;Designations;Dimensions;Gatevalves;Marking;Materials;Slidevalves;Specifications;Valves
【摘要】:Specifiesrequirementsfortwotypesofpredominantlykey-operatedvalvesforundergroundusewithflangesorspigotendsorsocketends.ThetwotypesshallbespecifiedastypeAortypeBandshallincludethefollowingfeatures:insidescrewstem;wedgeorparallelobturator;metallicorelastomericobturatorseatings;metallicorelastomericbodyseatings;ferrousmetaland/orcopperalloytrims;T-keyoperation;ringkeyandbaroperation.TypeAvalvesareforT-keyoperation;typeBvalvesareforringkeyandbaroperation.
【中国标准分类号】:J16
【国际标准分类号】:23_060_30
【页数】:10P;A4
【正文语种】:英语