Friedrich Krumme GmbH
About
Friedrich Krumme GmbH, based in Bad Hersfeld, Germany, has over 35 years of experience specializing in stainless steel scraper track systems and special constructions for wastewater treatment tanks. The company has equipped more than 3,000 wastewater treatment tanks across Germany and Europe, serving over 1,500 customers. Krumme's flagship product is the Räumerfahrbahn (scraper track) — a high-grade stainless steel tank crest lining system manufactured from minimum grade 1.4301 (AISI 304) stainless steel, specifically designed to withstand the extreme chemical and mechanical stresses that cause spalling, cracking, and wear on unprotected concrete tank crests in clarifier basins. Krumme rejects aluminum and galvanized steel as inferior alternatives, arguing that only stainless steel combined with a properly renovated concrete substrate provides lasting durability. The company operates as a single-source provider offering a full 360° service chain: consulting and tendering support, targeted concrete analysis, concrete renovation, production, assembly, and commissioning. Additional products include no-freeze systems with integrated heating to prevent ice formation during winter operation, gutter covers for enhanced safety and operational efficiency, and custom special constructions in stainless steel and other metals. A distinguishing capability is performing installations and renovations without stopping plant operation, avoiding costly shutdowns. The company's reference portfolio includes a major Milan wastewater treatment plant serving over one million people, where more than 2,000 meters of Krumme scraper tracks were installed.
Key Products
Stainless steel tank crest lining systems for clarifier tanks that provide a durable running surface for scraper bridges, withstanding chemical and mechanical stress in wastewater treatment plants.
Heating and anti-icing systems integrated into scraper tracks to prevent ice formation, ensuring continuous plant operation during winter conditions without downtime.
Targeted, precise analysis of concrete structures in wastewater treatment facilities to assess condition and plan appropriate renovation or new installation strategies.
Professional restoration of degraded concrete structures in wastewater treatment tanks using state-of-the-art renovation techniques.
Safety covers for tank gutters and overflow channels that improve plant safety and operational efficiency during ongoing treatment operations.
Installation and renovation services that allow wastewater treatment plants to continue operating while work is performed, avoiding costly shutdowns.
Custom stainless steel and metal fabrications for specialized wastewater treatment plant applications beyond standard scraper track systems.
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