01235nam 2200349 450 991071530830332120210311123711.0(CKB)5470000002510956(OCoLC)1241199001(EXLCZ)99547000000251095620210311d1991 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierDependency of offset disc butterfly valve's operation on orientation with respect to flowWashington, D.C. :United States Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation,1991.1 online resourceInformation notice ;91-58"September 20, 1991."Nuclear power plantsPipingValvesButterfly valvesNuclear power plantsPipingValves.Butterfly valves.U.S. Nuclear Regulatory Commission.Office of Nuclear Reactor Regulation,GPOGPOBOOK9910715308303321Dependency of offset disc butterfly valve's operation on orientation with respect to flow3303817UNINA