Barely used. High flow, high output regulator BrandHARRIS Manufacturer Part NumberKH1001Regulator SeriesGP 401For Gas TypeCarbon DioxideMounting TypeCylinderMounting LocationWallNumber of StagesSingle StageCGA NumberCGA 320Inlet ConnectionCGA 320Inlet Connection TypeNGOInlet Connection GenderMaleInlet Connection Size0.825"-14Inlet Thread DirectionRight HandInlet Pressure (Maximum)3,000 psigOutlet Connection1/4 in NPT MOutlet Connection TypeNPTOutlet Connection GenderMaleOutlet Connection Size1/4 inOutlet Pressure (Maximum)50 psigOutlet Pressure (Minimum)0 psigBody MaterialBrassBody FinishChrome PlatedDiaphragm MaterialNeopreneBonnet MaterialChrome Plated Die CastFilter MaterialNickel Plated BronzeSeal MaterialPTFESeat MaterialPTFEControl TypeKnobFlow Coefficient0.17Maximum Gauge Outlet Pressure4,000 psigBody Diameter2.125 inGauge Diameter2 inApplicationGeneral Purpose LaboratoryFeaturesGas Blanketing; One-Piece Encapsulated Seat Design, to Protect the Seat From Particulate Contamination; Pressure Testing; Purging; Self Reseating Internal Safety Valve; Tamper-ProofStandardsCGA E-4UNSPSC40142201Country of OriginUSA (subject to change)