Valve Abbreviations

AbbreviationType of ValveAbbreviationType of Valve
BBBolted BonnetNPSNominal Pipe Size
BCBolted CapNPTNational Pipe Taper Thread
BVBall ValveNRSNon-Rising Stem
BWEButt Weld EndOWGOil, Water, Gas Pressure
CVCheck ValvePRVPressure Reducing Valve
CWPCold Working PressureRFRaised Face
DDDouble DiscRJRing Type Joint
DIDuctile IronRSRising Stem
DWVDrainage, Waste, Vent FittingRWDResilient Wedge Disc
FEFlanged EndSBSilver Brazed
FFFlat FaceSESolder End
FLGFlangeSOVShut Off Valve
FTTGFittingSWSolid Wedge Disc
FWFlexible WedgeSWESocket Weld End
HFHard FacedTBThreaded Bonnet
HWHandwheelTEThreaded End
IBBMIron Body Bronze MountedTCThreaded Cap
IPSIron Pipe SizeSWPSteam Working Pressure
ISRSInside Screw RSUBUnion Bonnet
GVGate ValveUCUnion Cap
MJMechanical JointWOGWater, Oil, Gas Pressure
WWPWater Working Pressure
  
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