NON-METALLIC CHAIN FLIGHTS SLUDGE SCRAPERS BY DWA, DOWON APEX CORPORATION BUSAN KOREA.

Non-Metallic chain flight sludge scrapers for primary & secondary sludge settling tanks in water & wastewater treatment & seawater desalination plants. Applied all parts to high quality & specialized engineering plastics. Non-metallic scraper chains are made of special plastic materials, 30 to 40kN of maximum tensile strength. Over 20 kN of working tensile strength is provided. 152.4mm of Pitch. Many references in South East, Middle East, Europe, and Africa countries since 2004.