SAE ARP1802 Selection and Application of Polytetrafluoroethylene (Ptfe Or Tfe) Backup Rings for Hydraulic and Pneumatic
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Product Code:SAE ARP1802
Title:Selection and Application of Polytetrafluoroethylene (Ptfe Or Tfe) Backup Rings for Hydraulic and Pneumatic Fluid Power Applications
Issuing Committee:A-6c2 Seals Committee
Scope: The backup ring is defined. The various types designed for use with O-rings in MIL-G-5514 packing glands, and MS33566 and MS21344 universal fitting installations are described. Guidelines are included for selecting backup rings and backup ring materials, Backup ring installation procedures and precautions are described. The purpose of this report is to provide information that will aid design engineers and maintenance personnel in the selection and use of TFE backup rings (retainers) and backup ring materials for aircraft and aerospace hydraulic and pneumatic fluid power applications.
MIL-PRF-87930A, PERFORMANCE SPECIFICATION, PROPELLANT, HYDRAZINE- WATER (70 PERCENT HYDRAZINE - 30 PERCENT WATER) (24 NOV 1997) [SUPERSEDING MIL-P-87930]., This specification covers the requirements for a hydrazine-water propellant blend, 70 percent by weight hydrazine and 30 percent by weight water.【英文标准名称】:Flexiblesheetsforwaterproofing-Bitumen,plasticandrubbersheetsforroofwaterproofing-DeterminationofresistancetoimpactEnglishversionofDINEN12691:2006-06
【原文标准名称】:防水软板.屋顶防水用沥青、塑料和橡胶薄板.耐冲击性测定
【标准号】:DINEN12691-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-06
【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】:
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesatestforpuncturebyimpactonsheetsforroofwaterproofing.Mechanicalstressonwaterproofingsheetsrangesfromstaticlong-termloadstodynamicshort-termloads.Thismethodrepresentsthedynamiccategoryofloadwherepuncturemaybecausedbyimpact.ThisEuropeanStandardmayalsobeappliedforotherpurposesofwaterproofing.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:13P.;A4
【正文语种】:德语