instrumentation valve / needle / double block-and-bleed / monoflange
Instrument valves



  • Type:


  • Function:

    double block-and-bleed

  • Body:

    monoflange, 1-piece

  • Applications:


  • Pressure:

    698 bar (10,123.6 psi)

  • DN:

    Min.: 0.25 in

    Max.: 1 in


Rotork offers state of the art, precision engineered instrumentation valve solutions products, such as needle valves, ball valves and Double Block and Bleed (DBB) valves in single or combined valve arrangements.

DBB monoflange and piping valves combine piping and instrument valves in a single assembly, providing weight and space savings as well as a reduction in potential leak paths.

- One piece body construction
- ¼” to 1” sizes
- Pressure range up to 689 bar (10,000 psi)