Double Block and Bleed Valve Manufacturer In Italy

Valvesonly Europe is a leading high-quality double block and bleed ball valve Manufacturer in Italy. Double Block and Bleed (DBB) ball valve is intended to improve safety and control in fluid or gas handling systems. This valve consists of a single housing with two distinct ball valves and a vent or bleed port inside of it. Essentially “blocking” the passage of fluid or gas, a DBB ball valve’s main function is to isolate two distinct pipelines or system segments from one another. The two ball valves each have independent opening and closing mechanisms, enabling isolation on both sides of the valve.

Additionally, the “bleed” or vent hole that is positioned between the two ball valves allows for the safe bleeding out of any trapped pressure or leftover fluid between them, ensuring that there is no leakage or build-up of residual pressure during maintenance or shutdown procedures.


  • Enhanced Safety
  • Space and Cost Savings
  • Improved Flow Control
  • Versatility
  • Longevity and Reliability


  • Material: WCB, WCC, WC6, LCC, LCB, F55, F51, F53
  •  Available Size: 3” to 24”
  • Class: 150 to 2500
  • Medium: LNG, Cryogenic application, Water, Air, Steam
  • Ends: Flanged

Showing the single result

  • Sale!

    Double Block and Bleed Ball Valve

    Double Block and Bleed Ball Valve Size Range: 2″ to 48″ Pressure Rating: ASME CL, 150, 300, 600 Temperature Range: -196°C to 650°C Applicable Standards:         Ball  Valve design according to API6D, BS5351, ASME B16.34 Face to face ASME B16.10, AP6D End Flanges ASME B16.5/ASME B16.47 Butt welded ends ASME B16.25 Fire Safety API607, API6A Inspection […]