Types of double block and bleed valve

                                     Types of double block and bleed valve

These control devices change existing traditional methods employed by pipeline engineers to produce a double block and bleed pattern in the pipeline. 2 block valves and bleed control devices as a unit, or manifold, to be installed for right isolation. Used for critical procedure services, DOUBLE BLOCK AND BLEED VALVE valves are for top force systems, or hazardous/toxic fluid processes. Applications that use DOUBLE BLOCK AND BLEED VALVE control devices contain chemical injection link, instrument drain, chemical seal isolation, and gauge isolation. Double block and bleed valve do the job of 3 separate valves and need less area and have less weight.

Cartridge standard type length DOUBLE BLOCK AND BLEED VALVE

This kind of DOUBLE BLOCK AND BLEED VALVE have a patented design which incorporates 2 ball valves and a bleed control devices into single compact type cartridge unit with ANSI B16.5 flanged tapped links. The big advantage of this design configuration is that control devices has the same face-to-face dimension as a one block ball control device, which means the control device can simply be fixed into an existing tube without the need for any re-working pipeline.

Three piece length non-standard DOUBLE BLOCK AND BLEED VALVE

This kind of DOUBLE BLOCK AND BLEED VALVE spec the old style of flange-by-projection type control device and is accessible with ANSI flanges B16.5, hub links and welded finish to match the pipeline structure it is to be fixed in. it specs all the advantages of the one unit DOUBLE BLOCK AND BLEED VALVE valves, with the include advantage of a custom-made face-to-face measurement if needed.

One unit DOUBLE BLOCK AND BLEED VALVE

The design also has prepared benefits, there are much fewer possible leak paths within the DOUBLE BLOCK AND BLEED VALVE part of the pipeline. Because the control devices are complete bore with a continuous flow orifice they have got a small force drop across the unit. The pipeline where these control devices are installed are also be worked without any issues.

There are different benefits in using Double block and bleed control devices. Significantly, because all the control device parts are housed in a one unit, the area needed for the installation is dramatically decreased thus freeing up room for other parts of essential tool.

Considering the procedures and operations executed before an operator can intervene, the DOUBLE BLOCK AND BLEED VALVE manifold provides additional benefits over the traditional hook up. Due to the volume of the cavity between the 2 balls being so little, the operator is provided the chance to evacuate this area perfectly thereby fast establishing safe working atmosphere.

Design range

Pressure class

Double block and bleed control device catalogue

We provide several provide configurations in our DOUBLE BLOCK AND BLEED VALVE valves. Some of our double block and bleed valves are:

  • Single block and bleed ball valves
  • Double block and bleed needle valves
  • Bleed valves and integral block

Contact us if you want to know more about our double block and bleed control devices products or need details about a specific item.