Designation:F1000−13StandardPracticeforPipingSystemDrawingSymbols1ThisstandardisissuedunderthefixeddesignationF1000;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeestablishespipingsystemdrawingsym-bolsformarineuse.1.2Thissetofstandardsymbolsisintendedforuseonpipingsystemdiagrammaticsandarrangementsforships.1.3Wheregraphicalsymbolsarerequiredforanitemorequipmentnotcoveredbythispractice,theformandcharacterofthesymbolwillbelefttothediscretionoftheactivityconcerned,providedthatthesymboluseddoesnotduplicateanyofthosecontainedherein,andisclearlyunderstandable,subjecttooneinterpretationonly,orexplainedbyasuitablenoteonthedrawingwhennecessary.1.4Sincesymbolicrepresentationdoesnotusuallyinvolveexactorscalelayoutortheactualrunorleadsofpiping,thesamesymbolmaybeusedforallprojectionsofthesystem(plan,elevations,andsections).1.5Symbolsforfluidpower,heating,ventilation,andairconditioning(HVAC),andNavydamagecontroldiagramsarenotincludedinthispractice.2.SignificanceandUse2.1Figure1providessymbolsforstrainers,separators,andfilters.2.2Figure2providessymbolsforvalves.Valvesarecat-egorizedunderthefollowingheadings:globe,angle,check,ball,butterfly,gate,relief,manifolds,control,noisecontrol,andmiscellaneous.2.3Figure3providessymbolsforvalveappendagessuchasactuatorsandlockingdevices.SymbolsshownonFig.3aretobecombinedwiththeappropriatesymbolfromFig.2.2.4Figure4providessymbolsforpipingsystem–relatedinstrumentation.Thesesymbolsarecategorizedunderthefollowingheadings:pressure,temperature,flow,level,switches,alarms,andmiscellaneous.2.5Figure5providessymbolsforfans,pumps,andtur-bines.2.6Figure6providessymbolsforplumbingcomponents.2.7Figure7providessymbolsforpipeandpipefittings.2.8Figure8providessymbolsfornoisecontrolcomponentsanddesignations.Thesesymbolsaregeneral...