Designation:F1985−99(Reapproved2011)AnAmericanNationalStandardStandardSpecificationforPneumatic-Operated,Globe-Style,ControlValves1ThisstandardisissuedunderthefixeddesignationF1985;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthedesign,construction,test-ing,andoperatingrequirementsforpneumatic-operated,globe-style,controlvalvescompletewithactuatorsforvariousfluidsystems(steam,gas,andliquidapplications).Thecontrolvalveswithactuatorsmaybeprocuredunderthisspecificationcompletewithallassociatedpneumaticinstrumentationneces-saryforthevalvetofunctioninthesystemapplication;however,completeanddetailedrequirementsforairinstru-mentationarebeyondthescopeofthisspecificationandthusarenotincludedhere.Thisspecificationisnotintendedtocoverquarter-turnormulti-turnstemvalves.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.2.ReferencedDocuments2.1Themostrecenteditionorrevisionofthefollowingstandardsorspecificationsshall,totheextentspecifiedinthisspecification,formapartofthisspecification.2.2ASMEStandards:2B1.1UnifiedScrewThreads(UNandUNRThreadForm)B1.20.1PipeThreads,GeneralPurpose(Inch)B16.1CastIronPipeFlangesandFlangedFittings,Class25,125,250and800B16.5PipeFlangesandFlangedFittingsB16.11ForgedSteelFittings,Socket-WeldingandThreadedB16.25ButtweldingEndsB16.24BronzePipeFlangesandFlangedfittings,Class150and300B16.34Valves-FlangedandButtweldingEndSteel,NickelAlloy,andOtherSpecialAllows2.3ManufacturersStandardizationSocietyoftheValveandFittingIndustry:3MSSSP-25StandardMarkingSystemforValves,Fittings,FlangesandUnions2.4FluidControlsInstituteStandard:4FCI70-2ControlValveSeatLeakage2.5MilitaryStandardsandSpecifications:5MIL-STD-798NondestructiveTesting,WeldingQualityControlMaterialControland...
