INTEGRAL BLOCK & BLEED VALVES : SERIES - DBB31

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See SEALEXCEL® Catalogue No. VI-611 for full details.

FEATURES

  • ANSI B16.5 Flanged Inlet Connections 1/2" to 2" Sizes.
  • Class 150 rated to Class 2500 rated.
  • API Flanged Inlet Connections also available.
  • 10 mm and 15 mm Full bore Valve design.
  • 1/2" - 14 NPT (Female) Standard Outlet.
  • 1/4" x 18 NPT (Female) Standard Vent, 1/2" x 14 NPT
    (Female) optional vent.
  • Standard Material of construction: SS316 / SS316L,
    Carbon Steel and Duplex.
  • Fire Safe designed to meet BS 6755 Part 2/API 607
    are available on request.
  • Material Traceability to EN10204 3.1.B (Body only).
  • Anti Blow-Out stem & low operating torque.
  • Valves are available with Packing, PTFE, PEEK or Graphite.
  • Bubble tight shut off.
  • Every Valve is Factory Tested

APPLICATION

  • Double block & bleed instrument isolation.
  • Gauge isolation, Instrument drain.
  • Chemical injection connection, Sample connection.
  • Chemical seal instrument isolation.
  • Piping / instrument interface.
  • Direct mounting of instruments.
  • Remote mounting of instruments.

OPERATING PARAMETERS

Pressure Rating
  • Class 150 to Class 2500 in
    accordance with ASME B16.5.
Temperature Rating
  • Up to 2040C