PNEUMATIC CONVEYING SYSTEMS & REGIMES:

Here at STB Engineering we are a specialist pneumatic conveying system manufacturer with over 40 years’ experience in all types of powder conveying systems. We benefit from our own in-house design facility and test house in which to develop our systems. We aim to be the leading experts in conveying technology, implementing new and innovative solutions at the forefront of our field.

We specialise in five types of pneumatic transfer system which we can tailor to your individual requirements. These are:

  • Dilute / Lean Phase
  • Medium Phase/Low Velocity
  • Pulse Phase
  • Pulse/Dune Flow
  • Dense Phase

We were pioneers of the Dense Phase conveying system in the early 1970s before developing our Pulse Phase and Dilute Phase conveying technology. Our vacuum systems have proven particularly popular in the plastics and PVC industries and we have also developed expertise in supplying to other sectors such as the food, pharmaceutical, chemical and mineral industries. With our long history of experience and innovation, you can rest assured that our knowledge of powder conveying systems is second to none.

You can find out below about the unique qualities of each conveying system by watching the videos below and reading the individual pages. If you have a question about our conveying systems, a work proposition or would just like to say hello, please don’t hesitate to get in touch with us by filling out our contact form. We would be happy to respond to any query you may have and help you find the right system for your company.

Dilute / Lean Phase:

For most products in powder, flake or granular form. Particles are fully suspended in the air stream. Positive pressure – blowing system, negative pressure – vacuum system. Find out more…

Speed & Pressure:

Speed: 18 – 35 m/s
Pressure: Up to 1 bar
Vacuum: Up to 0.5 bar

Medium Phase / Low Velocity:

For most products in powder, flake or granular form. Particles are partially suspended in the air stream with a bed of moving material. Find out more…

Speed & Pressure:

Speed: 8 – 18 m/s
Pressure: Up to 1 bar
Vacuum: Up to 0.5 bar

Pulse Phase:

For cohesive powders. Plugs of material fill the entire cross section of pipe, an air knife injection system breaks up the plugs and reduces the risk of complete pipe plugging. Find out more…

Speed & Pressure:

Speed: 4 – 10 m/s
Pressure: Up to 4 bar

Pulse / Dune Flow:

For regular granular products. Product flows in a pulse or wave. The air stream is precisely controlled using an intelligent PLC monitoring system. Find out more…

Speed & Pressure:

Speed: 4 – 15 m/s
Pressure: Up to 2 bar

Dense Phase:

For fluidisable powders and fine granules. Conveying with high product to gas ratio. Takes advantage of the fluidisation and air retention of certain materials. Find out more…

Speed & Pressure:

Speed: 4 – 10 m/s
Pressure: Up to 4 bar

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