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Raflux Ring - Random packings

Raflux rings are a second generation tower packing which are generally classified as a standard tower packing. The Raflux ring has evolved from the cylindrical ring.

The Raflux Ring has an open structure compared to the cylindrical ring, which ensures a regular flow through the packing, reducing the pressure drop whilst maintaining the same surface area of the packing.

LC Hansa Engineering AB
Linda Caporicci Column internals, Droplet separation, Spray nozzles & systems, Other products
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
AB Hansa Engineering AB
Alexander Bergman Droplet separation, Column internals, Spray nozzles & systems, Tank cleaning
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
  • Product information
  • Technical data
  • Documentation & videos
  • Checklist process data
  • General info Column internals
  • Supplier information
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Design features

  • Standard random packing with an open structure
  • Lower pressure drop compared to a cylindrical ring
  • Available in a variety of materials and sizes
  • Also known as Pall Ring
  • One of the most commonly used random packings in industry

Listed below are different sizes of Raflux Ring random packings. Under the tab 'Documentation & videos' you will find data sheets with additional information.

Raflux Ring Plastics

Data refer to polypropylene
Type sizeWeight kg/m3Surface area m2/m3Void fraction in %
25-09022090
25-87922091
35-07816092
38-87217592
50-15211094
50-85811094
90-8388696

Available materials: PP, PPH, PE, PVC, C-PVC, PVDF, PFA, ECTFE and others on request

Raflux Ring Metals

Data refer to stainless steel 1.4301 (AISI 304)
Type sizeWeight kg/m3Surface area m2/m3Void fraction in %
15-334036095
25-536321595
38-525613597
50-520711297
70-71987898
90-81796598

Available materials: Carbon steel, stainless steel, Hastelloy, titanium, and others on request

Raflux Ring Ceramics

Data refer to stoneware
Type sizeWeight kg/m3Surface area m2/m3Void fraction in %
25-362022073
35-454016576
50-555012078
75-85409878
80-95208079
90-95047778

Available material: Stoneware and others on request

Checklist important parameters

Listed below are a number of parameters that are important to consider when selecting the right type and size of random packing in order to achieve an effective and sustainable solution.

Sometimes it is difficult or even impossible to obtain information and data regarding the specific process. Together with our suppliers, we have extensive experience and we can make sound assumptions as a basis for designing the best solution for the process.

Operating data
GasUnit
Type of gasPlease state
Gas volume flow (operating conditions)m3/h
Gas density (operating conditions)kg/m3
Gas viscositymm2/s (cP)
Operating pressurebar (a)
Operating temperature°C
Operating data
LiquidUnit
Type of liquidPlease state
Liquid volume flowm3/h
Liquid densitykg/m3
Liquid viscositycP
Surface tensionmN/m
Geometrical data
DataInfo/unit
Packing type and sizePlease state (if known)
Specific surface aream2/m3 (if known)
Packing heightmm
Column diametermm
Additional information/requirements
DataInfo/unit
MaterialPlease specify
FoulingYes/No
FoamingYes/No
Other requirements/additional informationPlease specify

Optimised performance in mass and heat transfer processes

For optimised performance in a mass or heat transfer process it is important to understand the underlying principles and parameters that are important to consider when designing a column for flue gas cleaning, flue gas condensation or stripping.

Founded in 1976, RVT Process Equipment is a leading supplier and manufacturer of droplet separators, packings, column internals and other products for mass and heat transfer processes.

RVT Process Equipment offers advanced engineering and technical support and has extensive experience in various processes and applications in the chemical and petrochemical industry, refineries, power plants, and pulp and paper. The R&D department houses fully equipped test units, available to carry out customer-specific tests when needed.

RVT Process Equipment has subsidiaries and manufacturing facilities in Knoxville, USA and in Kunchan, China.