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Radial Flow Reactor Scallops

Radial flow reactor scallops consist of wedge wire profiles welded on support rods. Within radial flow reactors, scallops create an outer slit screen positioned along the inner vessel surface.


The reactor scallops are designed to distribute or collect the flow. Scallops hold the packing, collect, and direct the flow. 


Fluid flows radially through a packed catalyst bed or reactive media in the radial flow reactor. The outer surface of the scallop contacts the catalyst.





The wedge wire reactor scallops can create a radial flow pattern, ensuring uniform distribution of fluids and optimal interaction between reactants. This innovative design enables:

▪ Up to 30% increase in reaction rates

▪ Enhanced mass transfer rates, resulting in improved conversion and yield

▪ Reduced pressure drop and energy consumption

▪ Increased scalability and flexibility in process design



Main Benefits of Radial Flow Reactor Scallops

▪ High-Quality Construction

The scallop is made from premium stainless steel for long-lasting durability and resistance to wear and corrosion.

▪ Efficient Flow Distribution

Radial design ensures uniform fluid distribution and minimizes channeling.

▪ Reduced Maintenance

Wedge wire structure minimizes clogging, reducing downtime and maintenance costs.

▪ Improved Reaction Efficiency

Enhanced flow distribution leads to better reaction kinetics and higher conversion rates.

▪ Prevent catalyst leakage

▪ Gaps between scallops to compensate for the thermal expansion



Applications of Radial Flow Reactor Scallops

They are particularly beneficial in packed bed reactors, trickle bed reactors, and other applications where effective fluid-solid contact is crucial.


We offer wedge wire radial flow reactor scallop custom design services. We also provide other wedge wire products and accessories for radial flow reactor systems.

Such as:

Wedge Wire Support Grid

Tower Internals Inner Pipe

Lateral Assemblies

Wedge Wire Filter Nozzle


E-mail: sales@uboscreen.com

Mobile: +86 157 3217 7595

WeChat: +86 15732177595

Skype: +86 13653285589

WhatsApp: 8613653285589

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