GB 9123.36-1988 PN42.0MPa(420bar)环连接面钢制管法兰盖
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来源:标准资料网
基本信息
| 标准名称： | PN42.0MPa(420bar)环连接面钢制管法兰盖 |
| 中标分类： |
机械 >>
通用零部件 >>
管路附件 |
| 替代情况： | 被GB/T 9123.4-2000代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1989-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 通用零部件 管路附件
【英文标准名称】:ULStandardforSafetyPowerVentilators
【原文标准名称】:UL安全标准.电动通风机
【标准号】:UL705BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-03-26
【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】:Thefollowingitemsaresubjecttocomment:1.)Revisedrequirementsfornonmetallicparts,includingenclosures,partsotherthanenclosures,flamespreadandsmokedeveloped,andaccessibilityofmovingparts.2.)Clarificationofventilatorcurrentratingrequirementsrelativetofullloadamperesandservicefactorfullloadamperes.
【中国标准分类号】:Y61
【国际标准分类号】:23_120
【页数】:
【正文语种】:英语
Product Code:SAE J2099
Title:Standard of Purity for Recycled R-134a (HFC-134a) and R-1234yf (HFO-1234yf) for Use in Mobile Air-conditioning Systems
Issuing Committee:Interior Climate Control Fluids Committee
Scope:This SAE Standard applies to:鈥?recycled R-134a refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-12 and have been retrofitted for use with R-134a;鈥?recycled R-134a refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-134a;鈥?recycled R-1234yf refrigerant, used in servicing of motor vehicle air conditioning (A/C) systems that were designed for use with R-1234yf.Hermetically sealed, refrigerated cargo systems are not covered by this document.
