Accession Number : AD0730275
Title : Cycle Testing of ACS Valves in CLF5.
Descriptive Note : Technical rept. Apr 70-Dec 71,
Corporate Author : AIR FORCE ROCKET PROPULSION LAB EDWARDS AFB CALIF
Personal Author(s) : Gunderson,Garreth J.
Report Date : AUG 1971
Pagination or Media Count : 71
Abstract : The report documents testing conducted to establish a seat and poppet material and/or sealing concept for use in chlorine pentafluoride (ClF5) attitude control system (ACS) valves. Test results of nickel-, iron-, tungsten-, and zirconium-based materials in the flat-on-falt sealing concept as well as a sapphire/copper lip-seal concept are discussed. In tests conducted to date, two varieties of tungsten carbide in the flat-on-flat configuration (Kennametal 96 and Kennametal 801) are the only materials that have met the leakage requirement of 30 scc helium/hour after 100,000 actuations in ClF5. (Author)
Descriptors : (*VALVES, *LIQUID ROCKET PROPELLANTS), (*ATTITUDE CONTROL SYSTEMS, VALVES), TUNGSTEN COMPOUNDS, CARBIDES, COMPATIBILITY, CHLORINE COMPOUNDS, FLUORIDES, LEAKAGE(FLUID), MATERIALS
Subject Categories : Aircraft
Pumps, Filters, Pipes, Tubing, Fittings & Vlvs
Distribution Statement : APPROVED FOR PUBLIC RELEASE