YQ-SSZ

When selecting stainless steel mufflers (raw water purification materials, water supply equipment, protection materials and water treatment materials) of various water related products, the enterprise products with production license and sanitation license should be selected, and the certification and acceptance system (production license, hygiene license, product qualification certificate and laboratory report) should be implemented. Before using for the first time, the water chemical treatment agent, water distribution equipment and protective materials should be evaluated according to the hygienic safety evaluation of chemical treatment agents for drinking water (GB / t17218) and the safety evaluation standard for drinking water distribution equipment and protective materials (GB / t17219). Perfect water quality control system, such as water quality, raw materials for water purification, laboratory, etc. The second operating unit and functional departments are responsible for the third laboratory, laboratory and Central Laboratory of water quality and safety valve muffler. Effective quality control methods should be applicable to all levels of quality control and management in the laboratory and the whole monitoring activities.