【英文标准名称】:ULStandardforSafetyEmergencyVaultVentilatorsandVault-VentilatingPorts
【原文标准名称】:UL安全标准.应急储藏室通风机和储藏室通风口
【标准号】:UL680BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-01
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Theserequirementscoveremergencyvaultventilators(EMVs)andvault-ventilatingportsforinstallationinawall.EMVsareintendedtoprovidefreshairtopersonslockedinthevaultbyaccidentorduringarobbery.Vault-ventilatingportsareintendedforconnectiontoanoutsideventilatingsystemthatprovidescirculatingairwhilethevaultisopen.Theserequirementsareintendedtoevaluatetheintegrityofelectricalwiringandcomponentsandtoestablishburglaryresistantratings.
【中国标准分类号】:Q76
【国际标准分类号】:03_060;23_120
【页数】:
【正文语种】:英语


MIL-D-80251A, MILITARY SPECIFICATION, DIMPLING MACHINES, HOT AND COLD PROCESS, SQUEEZE TYPE, FLOOR MOUNTED (19 JAN 1984)., This specification covers floor mounted, squeeze type dimpling machines. These machines are used to form shallow, conical depressions around rivets or screws , allowing the fastener heads to fit flush with the surface OF the sheet metal.