Dual Seal Plug Valve

Vatac Actuated DBB Plug Valves, there is an up-stream and down-stream seal, as well as a bleed point in between. This one D.B.B. may be substituted for two valves with one spool (drain). The spool sends any leaking fluid from the valve to the tank. The bleed system on the double block and bleed is provided to prove zero leakage. The ensures that if any leakage was to occur, it would be eliminated via the bleed. This in turn, guarantees complete and total product segregation, are widely used for critical areas such as refinery, distribution center, Loading arm and air ports.

» Design Standard: API 599,

» Flanged Ends: ANSI B16.5

» Face to Face: ANSI B16.10

» Testing: API 6D 

» Rating : ANSI Class 150/300/600/900/1500

» Size : 2°±~ 24

» Temperature Range : -20 Deg F(-29 Deg C) TO + 350 Deg F(+176.7 Deg C)

» A variety of body and trim material is offered, including ASTM A216 WCB, WCC, LCB, LCC, WC6, WC9, CF8, CF8M, CF3, CF3M, A890 GR. 4A, 5A or F51 etc. Coatings may be provided for added corrosion or wear resistance. Hard-facing and weld overlays may also be supplied. Seats Options with metal-to-metal or bubble-tight resilient.

» Connections : Flanged, Screwed, Welded (Butt, Socket)

» With ISO 5211 Top mounting Flange

» Electric or Pneumatic Actuated