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3-PC Three-Piece Cast or Forged Steel Trunion Dbb Double-Block&Bleed Fire-Safe Ball Valve RF/Bw End

3-PC Three-Piece Cast or Forged Steel Trunion Dbb Double-Block&Bleed Fire-Safe Ball Valve RF/Bw End

Ball Valve, Trunnion Ball Valve, Dbb Ball Valve manufacturer / supplier in China, offering API 6D 3-PC Three-Piece Cast or Forged Steel Trunion Dbb Double-Block&Bleed Fire-Safe Ball Valve RF/Bw End, Worm Gear Operated Coulping Coaxial Mounted Three-Way 3-Way Ball Valve Factory Manufactory Manufacturer, Investment Casted Stainless Steel Angle Seat Valve Pneumatic Angle Seat Piston Control Valve for Steam Pn16 and so on.

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Details

Basic Info

  • Connection Form: Flanged,Weld

  • Nominal Pressure: ANSI-Class150lb-2500lb

  • Structure: Fixed Ball Valve

  • Function: Blow-Down Valve

  • Application: Industrial Usage, Water Industrial Usage, Household Usage, Oil,Chemical,Natural Gas,Petrochemical

  • Body: Carbon Steel,Stainless Steel,Alloy Steel,Duplex

  • Lock Kit: with Lock Kit for Operation

  • Blow-out Stem: Blow-out Proof Stem Design

  • Leak-Proof: with Urgent Grease Injection Device

  • Self Relief Function: Self-Relief in The Body Cavity

  • Transport Package: Packing with Plywood Case

  • Origin: China

  • Material: Carbon Steel,Stainless Steel,Alloy,Duplex Steel

  • Driving Mode: Manual

  • Channel: Straight Through Type

  • Type: Fixed Ball Valve

  • Temperature: Normal Temperature

  • Anti-Static: with Anti-Satic Device

  • Ddb: Double Block&Bleed Design

  • Fire-Safe Design: with Fire-Safe Design, API607/6fa BS6755 Certified

  • Specification: 2"~36"(DN50-DN900)

  • HS Code: 8481804090

Product Description

Main Parameters

Application 

Trunnion mounted ball valves are suitable for use on various kinds of pipelines of Class 150~Class 2500, PN16~PN160, JIS10K~JIS20K to cut off or turn on the pipeline medium, of which the operation types include worm gear, manual, pneumatic
or electric actuators, being in general of flange connection, and butt welding ends connection as well,certified by ISO9001,CE/PED,API607/6D/6FA,TS certificates, made of Carbon Steel, Stainless Steel, Alloy steel,Duplex Stainless Steel.


Construction and features 
Urgent grease injection device 
Double-block and bleed functions 
Fire safe design 
Self-relief in the body cavity 
The Bi-sealing design structure,i.e. seat sealing in front of the ball and seat sealing behind the ball 
Blow-out proof stem 
Anti-static design 
ISO5211 mounting pad provided 

Standards and specifications 
Design & Manufacture:API 6D/API 608,ASME B16.34,ANSI/AWWA C507,MSS SP-72,BS 5351?BS 6364,BFCI 70-2,ISO 5211,NACE MR0175 . 
Connection Ends:ASME B16.5,ASME B16.47,API 605,MSS SP-44,ISO 7005-1,JIS B2238?BS 12627,ASME B16.25,ASME B16.11,BS 12760 . 
Face to Face Dimension:ASME B16.10,ISO 5752,BS 558,BS 12982 
Testing & Inspection:API 598
Normal Pressure or Rating:Class 150 ~ Class 2500LB JIS 10K ~ 20K, PN 10 ~ PN 160 bar
Normal Diameter or Bore: NPS2"~NPS36"   DN50~DN900 
Applicable Temperature:  -196oC~540oC

Main parts and Materials

BodyA105LF2F11F304F316F304LF316L
BonnetA105LF2F11F304F316F304LF316L
Disc/Ball/WedgeA105SS304F11SS304SS316SS304LSS316L
StemA105F304F6aF304F316F304LF316L
Seat/Seat RingPTFE/RPTFE/NYLON/DEVLON/PEEK or METAL
PackingGraphite/PTFE
GasketSS304+Graphite/SS304+Graphite
Bolts/NutsB7/2HL7/4B16/4B8/8B8M/8MB8/8B8M/8M
Suitable MediumW.O.G etc.HNO3, CH3OOH etc.
Suitable Temperature-29~425 °C-46~340 °C-46~340 °C-196~427 °C-196~427 °C-196~427 °C-196~427 °C


Warm Reminder: More complete drawing and technical specs pls contact us to get.












 

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