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Due to the gently curved nature of the vane surfaces and diffuser-type area changes within our proprietary ZP-Vane Type Inlet Device, the flow velocity reduces steadily from inlet to outlet; in turn, this lessens the potential for droplet shatter.

The ZP-Vane Type Inlet Device distributes the fluids evenly across the separator, to minimise mal-distribution effects which may lead to excessive liquid carryover in the demisting device, caused by a combination of localised elevated gas velocity levels and high liquid loading at the inlet face of the demisting device. Uniformity of the flow will also minimise any re-entrainment from the liquid surface, and minimise flow control problems.

Advantages of the ZP-Vane Type Inlet Device:

  • Separates the bulk liquids present within the inlet stream
  • Reduces the momentum of the inlet stream, thus minimising the potential for droplet shatter
  • Distributes the gas flow evenly over the downstream demisting equipment
  • Minimises the effect of channelling through the downstream demisting equipment
  • Wide operational range – typically, providing 100% turndown
  • Reduces the likelihood of re-entrainment of liquid from the liquid surface
  • Reduces any turbulence and re-circulation within the liquid section
  • Provides a minimal pressure drop
  • Reduces the size of the inlet nozzle on a new build project
  • Allows a greater fluid throughput for a set nozzle size on a revamp project
  • Easy to install in new and existing separators
  • No moving parts, thus no maintenance.

Applications of the ZP-Vane Type Inlet Device:

  • Gas Scrubbers
  • Production Separators
  • Gas Knock-Out Drums
  • Distillation, Absorption & GDU Columns
  • Flare Knock-Out Drums
  • Floating Production Units (FPUs).

Case Studies

Inline Solutions

Zeta-pdm Ltd Inline solutions represent a very cost effective way of polishing a gas stream prior to compression. This compact cyclonic device fits in the pipe, takes up no additional rig foot print and removes both the cost and the necessity for a pressure vessel.

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