Inspired by innovation

With three decades of experience in water and wastewater treatment equipment design and manufacturing, our team is equipped with the tools and product knowledge to offer the best solutions for our customers.
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Products & solutions

With decades of experience in Chain & Flight Sludge removal system designing, engineering and marketing, we are dedicated to provide most sophisticated systems and components.

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About us

Merdec has a vision to create innovative new solutions for a variety of applications in water and wastewater treatment.

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Professional in Innovative Technologies

Merdec

With professional experience ranging from designing, manufacturing, marketing and implementing of water and wastewater treatment products and solutions, Merdec Oy has highly qualified and experienced professionals who are ready to assist you as you seek to address your needs.


Merdec Oy differentiates itself from its competition through constant technical innovations, sophisticated technologies, product creation & 3D designing within our product repertoire. We can offer high-end reliable, cost-effective solutions and configurations to our customers.


Being an organization committed to team work and always seeking client’s satisfaction, Merdec Oy strives to be resourceful, creative and dependable business partner to our valuable customers worldwide.

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News & Events

By Joonas Sihvonen April 24, 2023
Merdec Oy, designer and manufacturer of Tank covers and Chain scrapers will be exhibiting in Jyväskylä Infratech Exhibition during May 10-11th 2023. Come visit us in booth D102, Hall D! Merdec Oy has in recent years created a new product to the market, Merdec Tank Cover, which is suitable especially for indoor water and wastewater treatment applications where an odour or gas blocking solution is required. The cover is made of high-quality materials suitable for harsh environments and is light weight and easy to use. We have also brought to the market an updated Chain Scraper system, in which design we have taken into account user friendliness, ease of installation and compatibility with existing systems. Many of our components are easily adjustable during and after installation and new features like one link collector chain and scraper flight, in which no holes need to be drilled to attach components, ensure a longer service life! To find our more, you can visit our booth.
By websitebuilder November 18, 2022
Merdec Oy, one of the pioneering designing & manufacturing companies in Finland specialized in Chain & Flight type Sludge and Scum Collectors will exhibit its latest innovative Merdec “one only” Chain & Flight type Sludge and Scum Collectors at IEXPO Shanghai 2021 on April 20 to 22 in hall W3 (booth no. G26) . Experienced Meredc Oy specialists will be available for advice for all national and international customers. Read more: http://www.ie-expo.com/exhibitors/exhibitor2-8802.html Welcome to meet us in our booth G26 at Hall W3 in Shanghai

Let the numbers speak for us 

30+ years

Experience in Chain & Flight type Sludge and Scum Collectors

50+ years

Water Industry Expertise

80+ count­ries

Established Partners and Clients Across the Globe

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