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DRAG® Level Control Control Valve (100DLC)

DRAG® control valve for level control applications

IMI CCI is able to offer a one valve solution for drum or boiler level control with the 100DLC DRAG® valve, which meets both the high and low Cv requirements as an alternative to the two valve system. This configuration is only possible due to DRAG® high rangeability trim providing excellent controllability at all flows, from start-up through to normal operation.


Multi-stage DRAG® disk stack technology – Limits trim fluid exit velocity and kinetic energy and multi-stage pressure drop.

  • Multiple ring Teflon packing design.
  • Customisable flow characterisation.
  • High integrity spring energised teflon balance seal or graphite seal.
  • Class V metal seat shut-off with 500 PLI loading force achieves tight shut-off.
  • Custom designs available for high-temperature and other applications.
  • Disk stack labyrinth groove design breaks up clearance flow preventing seat ring damage.

Product Specifications



Access a digital copy of the brochure for more information.

Let IMI Critical find the right solution for your application