Modular DBB | Calobri S.r.l. 

Modular DBB

Calobri can supply modular DBB valves for critical applications where cost, weight and space saving are essential. Modular Double block and bleed valves are mainly used for cost savings reason in exotic materials.  Our design allows the pressure take-off points from the bleed area without any increase of dimension and weight.
The greatest savings are also to be seen in the reduction of leak to atmosphere because the potential leak points are minimized compared to the conventional two valves design.
The following combination are available:

  • Trunnion ball - needle - trunnion ball;
  • Trunnion ball - floating ball - trunnion ball;
  • Floating ball - needle - floating ball;
  • Floating ball - floating ball - floating ball.

Both side entry or top entry configuration also with extension for Cryogenic application.
Special configuration, for high temperature application, have already been supplied such as: 

  • Wedge gate - needle - wedge gate

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