Yongjia Goole Valve Co., Ltd.  

Product Name: F-NPT Connecting Dbb Ball Valve (DBBQ11F) Model NO.: DBBQ11F Application: Industrial Usage Temperature: Normal Temperature Function: Blow-Down Valve, Relief Valve Type: Floating Ball Valve Structure: Double Block and Bleed Channel: Straight Through Type Nominal Pressure: ANSI CLASS 150-900 Driving Mode: Manual Connection Form: Thread Material: Carbon Steel Feature: Double Ball with a Needle Valve Trademark: GOOLE, OEM Transport Package: Plywood Case Specification: CE, SGS, TUV Origin: China(Mainland) HS Code: 8481804090 Product Description F-NPT Connecting Dbb Ball Valve(DBBQ11F) FeaturesDirectly mounted on the flanged of piping connection ,hen the overall height is reduced.Helps to reduce weight and cost.Flange conncections conforming to ANSI B16.5.Working Pressure to Flange Class.Stainless steel construction with options of packing for high temperature application.Colour coded dust caps for identification of valve type.metal to metal seating for constant compression.Thread rolled and burnished stem.Hardened tip for extended leak proof life.F-NPT Connecting Dbb Ball Valve(DBBQ11F) Options.DN1/2"-2"Class150lb-2500lb Outlet1/2"F-NPT,3/4"F-NPT,1"F-NPTVent1/2"F-NPT,1/4"F-NPT.F-NPT Connecting Dbb Ball Valve(DBBQ11F) ConfigurationPrimari IsonationSecondary IsolationDrainBallBallNeedleNeedleNeedleNeedleBallNeedleNeedleDublokdouble block and bleed valve assemblies have three valves - primary isolation, secondary isolation and bleed - all integrated into a single block. If required the inlet or outlet end connection can incorporate a spring loaded in-line piston check valve. The end connectors are interchangeable and can be specified to suit exact requirements.Our Ball valve double block and bleed assembly is very compact and is recommended for general services. The valve canincorporate Needle, Globe,Gate and Check valves into the design to suit particular duty specifications as required.Feature:Process IsolationDrain Line IsolationDouble Block & BleedBlow Out Proof Stem DesignISO 5211 Mounting PadFire-safe Certified API 607Anti-Static DeviceBi-directional SealingLow Fugitive Emission PackingLocking Device StandardDoubleBlockandBleedballvalveApplicableSpecificationDesignstandard:ANSIB16.34 GB/T12237Physicaldimension:ANSIB16.10 GB/T12221Flangesdimension:ANSIB16.10 GB/T15188.1Testandinspection:API598 GB/T909ApplicationsHP instrument connections for in line maintenanceProcess ventsProcess drainsLevel instrument gaugesInjection points (with check)Specification:Size:2" ~ 24"(DN50~DN400)Pressure:ANSI Ratings 150# ~ 2500# (PN16~PN420)Structure:3 Pieces Body DesignConnections:RF RTJ BW ConnectionsBody Material:ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 AlloyBall Material:ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 AlloySeats Material:PTFE/ RTFE(≤120ºC) , NYLON (≤80ºC), PEEK/PPL (≤250ºC)Drivingmeans:Manual,wormgear.etc.Flowdirection:bidirectionalApplicablemedium:Seawater,allkindsofharshenvironmentDoubleBlockandBleedballvalvestructurecharacteristics1.Thedoubleblockandbleedvalvehaveevolvedtoreplaceandaddtheprocessofboltingtogetherindividualvalvestomakethevalvesinonebody.itsavedalotofspaceandmaterial.2.Specialdesignsincludinginjectingquills,sampleprobes,doubleblockandsingleblock,in-builtcheckvalvesandseatwipers.3.Dualisolationisnecessaryrequirementwhenmaintenanceistakingplacedownstreamofthefirstisolationvalve.CavityventingisprovidedbyeitheraballorglobeOS&Yventvalvesothattrappedpressurebetweenthetwoisolationvalvesissafelyvented.4. Thesevalveshavealsoevolvedtoencompassthefunctionofchemicalinjection(usingasuitablequill)andsamplepoints.In-builtcheckvalvesareoftenintegratedinthesevalves.5.FireSafeaccordingtoBS6755/API6FA/API607,sinceeachsealingpointisprovidedbyasecondaryfire-safesealingraphite.Valvesoftseatsalsoareprovidedwithsecondarymetal-tometalsealincaseoffire.6.ValvedesigncanbeeitherTrunnionorfloatingtype,antiblow-outstemandtypicallySPEseatdesign.Drainportisnormallyprovidewithafloatingballvalve,tobefittedwithfinaluserdrainline.valveseatscanbesoftormetaltometalhard-faced.Main Parts and Material.NOPart nameMaterialGBASTM1Valve bodyWCBA2116-WCB2Sealing ringPTFEPTFE3Sphere1C18Ni9TiSS3044Nut35A194-2H5Stud35CrMoAA193-B76The stone bodyWCBA216-WCB7ShimGraphite + stainless steelB12.10-304F/.G8FillerPTFEPTFE9Packing glandWCBA2116-WCB10Locating piece25A10511Ring65MnAISI 106612HandleK33A47-667Gr.3251013Valve stem1Cr33A276-41014Screw35A193-B7Thrust washerPTFEPTFETechnical SpecificationDesign basisGB seriesAmerican Standard SeriesDesign standardGB/T12237AP16DANSI B16.34Flange connection structure lengthGB/T12221AP16DANSI B16.10The length of the structure ( welding )GB/T15188.1AP16DANSI B16.10Connecting flangeGB/T9113JB/T79Hg20592ANSI B16.5Butt welding endsGB/T12224ANSI B16.25Test and inspectionGB/T9092AP16DAP1598Main DimensionsNominal diameter15202540506580100125150200d113192538646476102127152203L108117127165191191203229356394457H59637595142142152178252272342W130130160230400400400650105010501410Wt(kg)2.5357151919335893160