Johnson Screens

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

Johnson Screens® applies its expertise from initial product design through proprietary fabrication, inspection, testing, installation and start-up. The company is an expert in major processes including Catalytic Reforming, Styrene Dehydrogenation, Paraxylene, LAB, Sulphur Treatment, HDS/HDT, Ammonia Conversion, Mercury Removal, Claus and other gas treatment processes.

From Problem Detection, to Re-Commissioning of the Reactor

Customers may select one or more choices in the following possibilities:

• Project engineering assistance for revamping or upgrading.
• Technical assistance when damage is found or assumed on reactor internals.
• Internal expertise after catalyst unloading.
• On-site installation of Johnson Screens’ equipment.
• Supervision of contractor’s installation.

Internals for media retention

Johnson Screens® designs and manufactures a wide range of vessel internals for media retention. The company has supplied critical components for hundreds of radial, downflow, and upflow systems around the world. This experience makes them an industry leader in vessel internal design.

Internals For Down Flow Reactors

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

Products

StaySafe™ Hold-Down Screen – The uniquely designed StaySafe™ Hold-Down Screen keeps workers safe by not requiring entry into potentially hazardous, confined spaces.

Radial Spider Lateral System – The design for the Spider Lateral builds on decades of success of other Johnson Screens header lateral systems, introducing angled arms to fit the curvature of the vessel head.

Support Grids – Industry-leading, high-performing designs to extend the life and performance of your process vessels.

Distributor Trays – Global manufacturing of durable, high-performance trays for even distribution and mixing.

Outlet Collectors – Superior media containment, exceptional strength and durability under exceptional loads in high-temperature processes.

Scale Traps – Extending the life of your catalyst bed with robust design and exceptional performance.

Header Lateral Systems – Innovative designs that address vessel distribution challenges for uniform flow.

Shaped Support Grid – Unique design that is proven to extend the life and operational capacity of existing vessel assets.

Fractal Laterals – Designed to accommodate a variety of process conditions and requirements, while maintaining their characteristics of high distribution efficiency.

Inlet Diffuser Basket – Designed to control the velocities of the initial gas or liquid distribution over media in a process vessel, providing improved performance over traditional plate disk type distributor designs.

Overlay Screens – Johnson Screens’ Vee-Wire screen overlays can cut turnaround time and reduce system costs.

Internals for Radial-Flow Reactors
Products

Centrepipes – Engineered and delivered for exceptional strength, efficiency and vessel performance.

Outer Screens – Experts in large-scale design and manufacturing to exacting standards that maximizes the process output.

Vee-Wire Scallops – Exceptional strength with robust catalyst retention for long-term processing performance.

Optimiser™ Scallops – Unique design for improved catalyst utilization for maximum process efficiencies and performance.

Perforated Plate Scallops – Economical solution with proven performance for catalyst retention.

Oleflex™ – Manufactured with precise tolerance controls to exacting standards to deliver maximum catalyst performance.

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