DIN 19569-2-1989DIN 19552-2001DIN 19552-1-1972DIN 19552-2-1975DIN 19552-3-1978
适用范围
The document is applicable to circular tanks as settlement tanks with sludge scraper, suction type sludge remover and thickener in wastewater treatment plants. This standard is not applicable to the technical and hydraulic design.#,,#