Answer :
Final answer:
The answer explains the four wall thickness standards and color codes established by ASTM for copper plumbing tubes, highlighting their significance in plumbing systems.
Explanation:
The four wall thickness standards and color codes established by ASTM for copper plumbing tubes are types K, L, M, and DWV. Each type represents a different thickness to suit various plumbing needs. For example, Type K is the thickest and is commonly used for main water lines, while Type M, being thinner, is suitable for general residential plumbing.
These standards help ensure proper functionality and safety in plumbing systems, as the different thicknesses are designed to withstand varying levels of pressure. For instance, Type L, which is between K and M in thickness, is often used for both residential and commercial applications where a medium level of pressure is expected.
Understanding these standards and color codes is crucial for selecting the right copper plumbing tube for specific applications, promoting efficient and durable plumbing installations.
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