Refurbishment, Expansions & Modernisation

  • Professional filter refurbishments, as good as new!
  • Expand your filter & get higher capacity with minimal investment
  • Extend and improve reliable filter operation with modernisation

Professional service

Would you like to refurbish a filter and get it to its original condition? Expand your industrial filter and increase its capacity and volume? Go one step further and modernise your system? Look no further, we are here to help! Our solid-liquid separation expertise is based on professional filtration knowledge and practical experience gathered through more than 40 years. We can help filter users achieve more reliable operations with lower costs and improved performance.

Detailed Project Planning

Any kind of shutdown affects time and money. We know that and compose a detailed project plan to keep the shutdown time to a minimum. We go above and beyond to serve you and be the best.

Onsite filter inspection-Roxia

Shortest possible necessary downtime

Professional project planning

Efficient project execution based on practical experience

All filter parts are available and ready

Auxiliary equipment check & sizing

Filter Refurbishment

Industrial filters are durable and can operate for not only years but decades. That said, from time to time they need some retouching to return the old equipment into its original state. We have strong experience with filter refurbishments all over the world. The work can be done either onsite or offsite – we adapt to your needs. All spare parts are of high quality, selected with attention and installed with utmost precision.

We refurbish the following filter types:

  • Filter presses (horizontal)
  • Tower presses (vertical)
  • Ceramic disc filters

Work in process of one of the many tower press filter refurbishments projects we handled.

Filter Expansion: Tower Press and Filter Press

We refurbish the following filter types:

Many plants decide for filter expansion to increase its capacity and production volume. By adding more filter plates you can improve the filter’s performance in a relatively short time.

  • Which filters can be expanded?

Mostly, we work on Tower Press filters and Filter Presses with an expansion option.


Roxia handled a filter press refurbishment at Boliden Kokkola. Image was taken after the modernisation.

Adjust Auxiliaries to the Expansion

Before any filter expansion, have a closer look at the filter auxiliaries. If you are planning to increase the production volume, you should make sure that the auxiliary equipment will be able to handle the bigger volume. We do it all for you:

  • Make sure that the rest of the process will be able to handle the expansion
  • Check the sizing of the existing auxiliaries: feed pumps, air compressors, slurry tanks, conveyors …
  • Recommend and supply necessary equipment upgrades

When Old Meets the New

Expanding a filter is an elegant way to get a bigger filtration area and higher capacity. But when combining old and new equipment, compatibility is another important aspect. We have expert knowledge and make sure that all new parts are fully interchangeable with the existing ones.

Modernisation of Dewatering Equipment

Modernising existing filter units bring lots of advantages. With minimum effort, you can modernise the existing filter or other dewatering equipment and reach better efficiency, capacity, safety and more. We are knowledgeable, passionate and trustworthy partners. To find out more from a first-hand experience, read the case study from Boliden Kokkola’s zinc smelter.

Roxia filter modernisation examples:

  • Upgrading filter’s automation system
  • Improving filter’s and operator’s safety
  • Installing new systems with latest technology:
    • Hydraulic system
    • Automation control system
    • Cloth drive unit and cloth tracking system

We modernise the following filter types:

  • Filter presses (horizontal)
  • Tower presses (vertical)
  • Ceramic disc filters

Let’s talk and find the best solution for your business!

  • Select your location

  • Select field

Contact us

If you have something on your mind, just let us know! We are more than happy to answer all your inquiries.

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Goran Metiljevic

Product Manager, Powerflo Solutions

+61 2 8005 2131

Kauko Tanninen

President Central Asia

+7 708 102 24 66

Sergey Petukhov

Technical Director Central Asia

+7 916 213 21 76

Lyle Henson

Environmental Technologies Sales Manager North America

+1 443 695 9510

Retha Schoeman

Sales Engineer Sub Saharan Africa and South Africa

+27 83 825 6805

Dan Stenglein

Sales Director North America

+1 667 500-2591

Sebastian Alcaino

Regional Sales Director South and Central America

+56977685284

Ronald Gaspar

Area Sales Manager South and Central America

+51 9 7973 5424

Sun Lin

Area Sales Manager, General Manager China

+86 21 52679628

Roope Kupias

Customer Support Manager, Finland

+358 40 860 4720

Jesse Saira

Sales Director, Nordic & Baltics

+358 44 276 2338

Dirk Otto

Sales Director Central Europe

+49 (0) 2102 420 707

Thorsten Zogalla

Area Sales Manager SFP Filters, Central Europe

+49 7307 92170 116

Klaus Göde

Service Engineer Central Europe

+49 (0) 162 408 88 58

Kimmo Angeria

Head of Field Services, Industrial Automation

+358 400 104 977

Markus Saloniemi

Director, Industrial Automation

+358 40 571 9520