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Expanding DBB General plug valve


  • Port size:DN50-DN900;2''-36''
  • Pressure:150LB ~ 900LB
  • Medium:Water,steam,oil,gas
  • Temperature :-40~180ºC
  • Body material:Carbon Steel, Stainless Steel,forged steel
  • Description:China expanding DBB general plug valve manufacturer,factory and supplier.
China expanding DBB general plug valve manufacturer,factory and supplier for general plug valve with full bore and reduced bore. which is designed as a high integrity double block and bleed expanding plug valve.These valves are manufactured and tested to API 6D and ANSI B16.34 specifications.This movement assures positive shut-off while reducing wear between the sealing surfaces and extending the life of the general plug valve. The mechanical seal provides a superior valve for demanding applications; including those requiring zero-leakage in Double Block and Bleed service. The expanding DBB general plug valve is designed for easy in line service to be performed through the top entry access.

Expanding DBB General Plug valve Specification:

Design standard :API 6D
Product scope :
1.Pressure scope :CLASS 150Lb~900Lb
2.Nominal diameter : NPS 2~36″
3.Body material:A105、LF2、F304、F316、F304L、F316L、F51,WCB、LCB、WCC、CF8、CF8M、CF3、CF3M、A890 4A etc.
4.End connection :RF RTJ BW
5.Drive device: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device

Expanding DBB General Plug valve feature:

Double Block And Bleed Valve Body
Cast Steel Construction
Positive (Bubble Tight) Closure
Mechanical Sealing/Operation
Trunnion Mounted Plug
External Thermal Body Relief
Fire Safe Design
Field Repairable In Line
Extensions and Adaption for Actuation Available
Wide Range of Trim Options Available