Double Block & Bleed valves

A DBB or DIB valve can perform the tasks of 3 separate valves knowing 2 separate isolations and 1 drain Valve. This will result in huge space saving and weight which are positive benefits for FPSO’s and oil platforms. Double Block & Bleed valves can be supplied according to API6D and API6A.

Double Block & Bleed valve program

DBB VALVE TRM METAL SEATED

DBB VALVE TRM SOFT SEATED

DBB VALVE FLOATING SOFT SEATED

DBB MONOFLANGE VALVE

General features

DesignFloating or trunnion mounted - single or double ball
SeatsSoft or metal seated
ConstructionOne piece body (top, side or end entry), split body (two or three piece)
Size ANSI0,25” - 16”
Pressure ANSI150 lbs - 4500 lbs
Size DNDN 6 - DN 400
Pressure PNPN 10 - PN 400
End connectionsFlanged, BW, SW, THR, HUB, PE
OperatedLever, gear, bare stem, actuator
Seat materialsGraphite, Devlon, TFM, PTFE, PEEK, POM, PCTFE
Hard facingVarious hard facing on ball and seats
OptionsExtended stem, Extended bonnet, Single or double piston design
Design & testingAll available international standards according to API - EN - ISO

Available materials

  • Duplex, Super Duplex, Stainless Steel, Carbon Steel
  • Alloy 600, Alloy 625, C 276, Alloy 800, Alloy 825
  • Titanium
  • Zirconium

Valve examples

We design, engineer and produce your tailor-made valves