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UL 2170-1993 通过更迭制冷剂对产品进行现场转换和改型.结构和操作

作者:标准资料网 时间:2024-03-29 21:28:26  浏览:8525   来源:标准资料网
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【英文标准名称】:ULStandardforSafetyFieldConversion/RetrofitofProductstoChangetoanAlternativeRefrigerant-ConstructionandOperationFirstEdition;ReprintwithRevisionsThroughandIncluding5/12/1999
【原文标准名称】:通过更迭制冷剂对产品进行现场转换和改型.结构和操作
【标准号】:UL2170-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993-09-17
【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】:制冷;制冷机;冷却元件;冷却系统;制冷(剂)压缩机;空调器;定义;建筑工程;功能;元部件;可重复使用;再循环
【英文主题词】:airconditioners;refrigerators;re-usable;functions;components;constructions;coolingelements;coolingsystems;refrigerantcompressors;refrigeration;definitions;definition;recycling
【摘要】:1.1Theserequirmentsarefortheevaluationoftheconstructionandoperationofrefrigerationandairconditioningequiomentforthefieldconversion/retrofittoalternativerefrigerants.1.2TheserequirementsareprimarilyintendedtobeusedtoinvestigatetheretrofitofexistingequipmenttoalternativerefrigerantsforcompliancewiththerequirementsinthisdocumentandthedocumentsspecifiedinSection2.1.3TheserequirementsapplytoequipmentthathasbeebnpreviouslyinvestigatedandfoundtocomplywithanapplicableULStandardofSafetysincetheyear19731.4Therequirementsandairconditioningequipmentcoveredbytheserequirementsincludebutarenotlimitedtoremotecommercialrefrigeratorsandfreezers,unitcoolers,condensingunits,split-systemcentralcoolingairconditionersandheatpumps,andself-containedequipmentsuchascommercialrefrigeratorsandfreezers,icemakers,icecreammakers,roomairconditioners,centralcoolingairconditioners,heatpumps,andliquidchillers.
【中国标准分类号】:G04
【国际标准分类号】:27_200
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Concepts,symbolsandunitsusedincivilengineering;Railwayconstruction
【原文标准名称】:土木工程用概念、符号和单位.第5部分:轨道建造
【标准号】:DIN1080-9-1981
【标准状态】:作废
【国别】:德国
【发布日期】:1981-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;量值;力;铁路建造;铁路;建筑;词典
【英文主题词】:Construction;Definition;Definitions;Dictionaries;Force;Railwayapplications;Railwayconstruction;Railways;Size
【摘要】:Concepts,symbolsandunitsforcivilengineering;designofrailwaysDéfinitions,symbolesetunitésdanslebátimentcivil;constructiondescheminsdefer
【中国标准分类号】:P65
【国际标准分类号】:93_100
【页数】:5P;A4
【正文语种】:德语


Product Code:SAE AMS3678/15
Title:Type 15 15% Aromatic Polymer Filled Virgin Polytetrafluoroethylene (PTFE) Moldings or Extrusions
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a polytetrafluoroethylene (PTFE) resin filled with 15% aromatic polymer in the form of extruded or molded rods or tubes which are sintered after molding or, in the case of extrusions, sintered during the extrusion process.

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