... pipe 2.Size:dn16/20/25/32mm 3.High temperature reistant, sanitary 1. Reduced thermal expansion2. ... pipes, the tub-shaped macular rust.6. High temperature, high pressure, in the long-term work requirements ... excellent energy saving effect.8. Light weight, high strength: the proportion of the only one-eighth ... water pipes and connected to the use of high-quality copper insert, safe and reliable.12. Long ...