{"id":2463,"date":"2021-06-23T14:33:59","date_gmt":"2021-06-23T14:33:59","guid":{"rendered":"https:\/\/w-filter.eu\/the-company\/"},"modified":"2025-08-30T15:58:04","modified_gmt":"2025-08-30T15:58:04","slug":"the-company","status":"publish","type":"page","link":"https:\/\/w-filter.eu\/en\/the-company\/","title":{"rendered":"Company – Filters and customised solutions since 1980 – W-FILTER.de"},"content":{"rendered":"

\"Contact<\/a><\/span><\/div><\/div><\/div><\/div><\/div>
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Filter Manufacture with Tradition.<\/h1><\/div>
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About the Company<\/span><\/i><\/a><\/div><\/div><\/div>
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A family
business<\/h2><\/div>

<\/span> since 1980.<\/span><\/path><\/svg><\/span> <\/span><\/h2><\/div><\/div><\/div>
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W-FILTER<\/strong> has been impressing customers with its quality and solutions in the field of filtration since 1980. Now in its second generation, the family-run business successfully demonstrates continuity in the market for industrial filters for plant engineering.<\/p>\n

Our core competency lies in the development, manufacturing and distribution of strainers, basket strainers and pot strainers<\/strong> in welded construction.<\/p>\n

Within nominal sizes of DN 50-DN 1000 <\/strong>and pressure ratings of PN 6-PN 100<\/strong>, we offer standard solutions for horizontal and vertical pipelines. We also fulfill special designs and customized requirements for various industries.<\/p>\n

Our products are defined by the following equation:<\/p>\n

Efficient + Effective = Economical<\/strong><\/p>\n

Discover our expertise in filtration for your projects to increase your plant and energy efficiency.<\/p>\n

We look forward to working with you!<\/p>\n<\/div><\/div><\/div>

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Our
\nHistory<\/h2><\/div>

The history of our family business dates back to 1980, when founder G\u00fcnter Waldow began to capture the industrial valve market with his engineering office. Over the years, we have focused on the development, manufacturing and distribution of strainers, basket strainers and pot strainers in welded construction.<\/p>\n<\/div><\/div><\/div>

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<\/p>\n\t\t\t\t\n\t\t\t\t\t<\/sr7-adjuster>\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tCompany Establishment:
Engineering Office G\u00fcnter Waldow<\/sr7-txt>\n\t\t\t\t\t\t\t1981<\/sr7-txt>\n\t\t\t\t\t\t\tDevelopment of gate valves<\/sr7-txt>\n\t\t\t\t\t\t\t1980<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tDevelopment of
bottom drain valves for tankers<\/sr7-txt>\n\t\t\t\t\t\t\t1983<\/sr7-txt>\n\t\t\t\t\t\t\tCustom solutions<\/sr7-txt>\n\t\t\t\t\t\t\t1982<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tFocus on the development, manufacturing and distribution of strainers, basket strainers and pot strainers in welded construction<\/sr7-txt>\n\t\t\t\t\t\t\t1990<\/sr7-txt>\n\t\t\t\t\t\t\tIn particular, the district heating market in Denmark has grown positively, as seen in projects like V\u00e4rmeplan \u00c5rhus, Amager.<\/sr7-txt>\n\t\t\t\t\t\t\t1985<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tWe are expanding our marketing efforts in Europe with strong distribution partners.<\/sr7-txt>\n\t\t\t\t\t\t\t2005<\/sr7-txt>\n\t\t\t\t\t\t\tThe W-type filter is also increasingly used in the chemical sector, such as at EVONIK\u2019s Marl plant (formerly H\u00fcls Degussa).<\/sr7-txt>\n\t\t\t\t\t\t\t2000<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tSTEAG (IQONY) also equips its Walsum power plant in Duisburg with cost-effective filters.<\/sr7-txt>\n\t\t\t\t\t\t\t2009<\/sr7-txt>\n\t\t\t\t\t\t\tThe Mannheim power plant (GKM) uses W-FILTER technology for Block 9 and its further expansion (MVV).<\/sr7-txt>\n\t\t\t\t\t\t\t2007<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tDirk Waldow, in the second generation, continues the successful expansion of the company\u2019s activities.<\/sr7-txt>\n\t\t\t\t\t\t\t2015<\/sr7-txt>\n\t\t\t\t\t\t\tMany waste incineration plants are equipped with our low-maintenance filters, including the Dublin Waste to Energy (Covanta plant).<\/sr7-txt>\n\t\t\t\t\t\t\t2013<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tAfter over 35 years of leading the company, G\u00fcnter Waldow (\u2020 2022) has passed the baton to his son, Dirk Waldow.<\/sr7-txt>\n\t\t\t\t\t\t\t2020<\/sr7-txt>\n\t\t\t\t\t\t\tIn addition to supplying Germany\u2019s largest geothermal plant in Munich, the W-type filter is also used in pioneering areas of the battery industry.<\/sr7-txt>\n\t\t\t\t\t\t\t2017<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tISO 9001 certification\nW-FILTER also implemented offically
a Quality Management System according to ISO 9001<\/sr7-txt>\n\t\t\t\t\t\t\t2025<\/sr7-txt>\n\t\t\t\t\t\t\tMoving into new offices\nwith beginning of the year W-FILTER moved into new
offices - which are located in the heart of Speyer<\/sr7-txt>\n\t\t\t\t\t\t\t2024<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/i><\/sr7-txt>\n\t\t\t\t\t\t\t<\/i><\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t<\/sr7-carousel>\n\t\t\t\t\t<\/sr7-content>\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<\/image_lists>\n\t\t\t\t<\/sr7-module>\n\t\t\t\t