To prevent using as potable water.
Pipes carrying non-wholesome water are color-coded to prevent contamination and ensure public safety. The distinct colors help easily identify the type of water within the pipes, reducing the risk of accidental misuse or cross-connection with potable water systems. This visual system aids in maintenance and emergency response, promoting proper handling and awareness among workers and the public.
Pipes carrying non-wholesome water need to be color coded or labeled to ensure safety and prevent contamination. Clear identification helps avoid accidental use or exposure, protecting public health, especially in environments where different types of water are present. Color coding also aids maintenance personnel in quickly identifying the purpose of each pipe, facilitating safer repair and management practices. Overall, proper labeling is crucial for effective water management and safety compliance.
Steam carrying pipes
Pipes carrying natural gas are typically color-coded with a yellow exterior to indicate that they contain gas. This yellow color helps workers and emergency responders easily identify gas lines and take appropriate safety precautions.
Red
colour code for raw water
Well, it's really a great questions. As for the black pipes, it's because during the manufacturing process, some materials are added to pretect the pipe, ususlly to anti-UV. In most cases, those pipes that re under the ground or the wall, there's no need to add black materials, and these pipes are ususlly the original color of the ingredients of pipes. Justi like RIIFO's PPR pipes that are usually green.
Copper doesn't rust
Exhaust gas pipes are silver and are made of metal.
The space is usually called a chase in the US.
To help slow degradation of the plastic from the ultraviolet wavelength of sunlight.
Other wise heat loss will occur and the radiators wont be as hot.