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DBB ball Valve Double Block and Bleed Ball Valve

DBB ball Valve Double Block and Bleed Ball Valve

Configuration of valves, which includes two valves in series and has a bleed valve in between. Total isolation of the pipework is achieved when both valves are closed and the bleed is open

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DBB Ball Valve        

Configuration of valves, which includes two valves in series and has a bleed valve in between. Total isolation of the pipework is achieved when both valves are closed and the bleed is open     

 

Size and Range:

Size: 1/2” ~ 24”

Pressure Rating: 150LB ~ 2500LB

Temperature: -196Deg. C ~ 600Deg. C


Applicable Standards:

  •Design & Manufacture: API 6D
  •Face to Face: ASME B16.10
  •Flange Dimensions: ASME B16.5
  •Pressure & Temperature: ASME B16.34
  •Test & Inspection: API 598
  •Fire Safe: API 607
  •Visual Inspection: MSS-SP-55
  •Marking: MSS-SP-25
  •Fugitive Emission: ISO 15848


Main Character:

Body Structure: Split Body, Side Entry

Construction: Floating Ball

Bore: Full Bore / Reduced Bore

Connection: RF Flange, SW, Threaded NPT, etc.

Operation: Lever Operated, Gear Operated


Main Features:

Locking Device

Anti blowout design

Fire safe design

Antistatic design

Automatic cavity relief


Material Available:

 Carbon steel                                                                       

 ASTM A105 , etc                                                                 

 Low temperature steel

 A350 Gr. LF2 , etc

 Cr-Mo steel                                                                         

 A182 Gr. F11 , F22 , etc                                                      

 Stainless Steel

 A182 Gr. F304 , F304L , F316 , F316L , F321 , F347 , etc

 Alloy steel                                                                           

 Alloy 20 , etc                                                                       

 Super duplex

 A182 Gr. F51 , F53 , F55 , etc

 Aluminum bronze                                                                

 B148 C95500 , C95600 , C95800 , etc                               

 Monel

 Monel K400, K500

 Inconel                                                                                

 Inconel 600 , etc                                                                 

 Hastelloy

 Hastelloy B , Hastelloy C276 , etc

 Incoloy                                                                                

 Incoloy 825 , Incoloy 625 , etc                                            



Applications:

TFC Valve DBB Ball Valve is widely used in different applications, such like, Oil & Gas Field, Petrochemical Plant, Refineries, etc.


                                                                                                                          


Your inquiry will be attended through: info@tfcchina.com

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