Stainless steel pipe is the best direct drinking water delivery pipe. It has the characteristics of low water leakage rate, which can save valuable water resources. In the 1980s, the leakage rate of water pipes was about 17%. After switching to stainless steel pipes, the leakage rate dropped to 7%. The water supply system was damaged in the earthquake, but the stainless steel plumbing system was intact. In addition, compared with copper water pipes, thin-walled stainless steel pipes have good water permeability and do not corrode at high flow rates. Its thermal insulation is also 24 times that of copper pipes. The 2017 national industry standard “Technical Regulations for Direct Drinking Water Systems in Buildings and Residential Areas” CJJ/T 110-2017 stipulates that high-quality pipes such as stainless steel pipes and copper pipes that meet food-grade requirements should be used for pipes!
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