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Full Bore API 598 PTFE Seat Double Block Ball Valve

Basic Information
Place of Origin: China
Brand Name: Coosai
Certification: API6D,API607,API6A
Model Number: Q41/Q47
Minimum Order Quantity: 1PC
Price: Negotiable
Packaging Details: Polywood cases
Delivery Time: 2-15 Weeks
Supply Ability: 2000PCS per year
Detail Information
Size: NPS 4" To 24" Pressure: 150LB To 2500LB
Temperature: -196℃~610℃ Low Temperatue, Normal Temperature And High Temperature Body And Trim Material: Cast Steel, WCB,ASTM A105, ASTM A350 LF2, ASTM A182 F304 F304L F316/F316L/F51 F53 F55,ASTM A351 CF8 CF8M CF3M ASTM A182 F6a 17-4PH
Seat Material: PTFE, RPTFE, DEVLON, Molon,PEEK,Metal Seat Body And Stem Sealing: Oring(FKM,FFKM NBR,FPM HNBR, VITON,EPDM, AFLAS), Spiral Wound Gasket(316SS+ Graphite) Packing(Graphite, PTFE)
Operation: Wrench, Lever, Gearbo Design Feature: In Case Of One Of The Valve Failur,there Is Also A Reliable Seal,protect Pipelines. Bleed The Cavity Pressure Through A Needle Valve.
High Light:

PTFE Seat Double Block Ball Valve


API 598 Double Block Ball Valve


Full Bore Double Block Ball Valve

Product Description

Dual Discharge Valve Double Block Ball Valve



Double block and bleed ball valve bore :4"~24"100~600mm

Double block and bleed ball valve pressure:150L B~2500LB 1 .6MPa~32MPa

Double block and bleed ball valve Technicalstandard:

Design standard:APl6D

Face To Face :ASME B16.10

End Flanges: ASME B16.5

Inspection and Test :API 598


Product Parameter:


Size:  4”~24”
Pressure:  150LB~2500LB
Bore:  Full bore. reduced bore
Design standard:  API 6D & ASME B16.34/API 6A
Face to Face standard:  ASME B16.10/API6A
Connecting Standard:  ASME B 16.5, ASME B16.47, DIN 2543/4,ASME B 16.25
Test & Inspect Standard:  API 6D ,API 598,API 6A
Working Temperature:                                 -196℃~510℃
Connection type:      RF,RTJ,FF,BW.BSPT,NPT
Sour environment:  NACE 0175 / ISO15156




Double block and bleed ball valves are designed in order to replace the multiple valves connection complex forms in traditional pipeline.


Reduce the leakage in system to achieve quickly bleed ,close function. Double blocok and bleed ball valves maximum save installation space and Simpliflied installation program.


Cut down the pressure in piping system. Convenient instrument Cleaning maintenance and reduce the costs.


The valves are widely used in ectric power, petroleum chemial industy, metallurgy, Marine, oil, natural gas, coal gas, pharmaceutical and other industies hydraulic system pipeline.


Design Description


Full Port Design

Bolted Bonnet Split Body

Three Pieces Body

Trunnion Mounted Ball Typе

Bolw Out Proof Stem

Fire Safe Construction

Anti Statics Device

Stopper Device

ISO 5211 Mounting Pad
Flanged or Butt Welding End

Available With Lever




Full Bore API 598 PTFE Seat Double Block Ball Valve 0
Full Bore API 598 PTFE Seat Double Block Ball Valve 1

Full Bore API 598 PTFE Seat Double Block Ball Valve 2

Full Bore API 598 PTFE Seat Double Block Ball Valve 3







Contact Details

Phone Number : +8613017861943