Building On Over 100 Years Of Experience In Providing Advanced Screening And Filtration Solutions

Johnson Screens® is renowned as a specialist in the filtration and separation of gas/solids or liquids/solids in a variety of industries ranging from refining and petrochemical, oil & gas, ground and surface water extraction, potable and industrial water treatment, pulp and paper, food and beverage, mining and architecture.

They design and manufacture a wide range of vessel internals for media retention including two lines of internals, used in radial flow and down or up flow systems, offering the following advantages:

  • A precise media retention with high open area
  • An exceptional resistance to collapsing or buckling,
  • A non-plugging slot design,
  • A stable and smooth interface with the media, reducing abrasion of the catalyst,
  • A virtually maintenance-free conception
  • A maximum design flexibility

Their extensive experience enables them to provide a highly skilled field service team supplying inspection, testing, installation, start-up and repair. To assure consistent quality, their manufacturing facilities follow a structured quality control program which is reviewed and updated on a continuous basis.

Internals For Radial Flow Reactors

Johnson Screens® offers all the screen internals and related assemblies needed to produce a radial flow system that operates at peak efficiency:

  • Centerpipes
  • Scallops and patented Optimiser™
  • Outer baskets
  • Coverplates
  • Ventilation screens
  • Expansion elbows
  • Catalyst transfer pipes
  • Thermowell guides
  • Access doors and other manway arrangements

Internals For Down Flow Reactors

Johnson Screens® designs and fabricates virtually every vessel internal you may require for media retention in down flow processes. These include:

  • Support grids
  • Distributor trays
  • Quench pipes
  • Catalyst transfer pipes
  • Mixing assemblies
  • Support structures
  • Vee-wire trash baskets
  • Inlet distributors / feed diffuser
  • Outlet baskets
  • Hold down grids
  • Nozzle trays

For more product specification information, please download the Johnson Screens data sheet.

Dawcul is a trusted Distributor for Johnson Screens

For expert advice on procurement, logistics and installation talk to one of our local experts across Eastern Europe.

 

 

Dawcul Romania was very pleased to host Mr. Nigel Walsh from Johnson Screens France, part of Aqseptence Group early in September 2023 as part of Dawcul’s exclusive distribution agreement for Romanian and the Central & East European regions. Read more here

 

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