How to classify aluminum tubes?
3, gas with plastic composite pipe: yellow Q logo, mainly used to transport natural gas, gas, gas pipeline system.
4, pipeline construction, must comply with the technical regulations.
2, with a high temperature plastic composite pipe: red R logo, is mainly used for long-term working temperature hot water and heating piping system of 95 ℃.
1, ordinary drinking water with plastic composite pipe: white L logo Scope: domestic water, condensed water, oxygen, compressed air, other chemical liquids pipeline.
By Application of ordinary drinking water pipes, heat pipes, gas pipes, all kinds of tube characteristics and uses are as follows:
