What are the piping requirements for manifolds?

What will be an ideal response?


Piping for the high-pressure side of a manifold must be steel, stainless steel, or alloyed copper. Piping for the low pressure side, except acetylene, can be stainless steel, copper (type L or K), brass, steel, or wrought iron. All acetylene piping must be steel or wrought iron. Unalloyed copper used with acetylene forms an unstable and explosive compound, copper acetylide.


The pipe joints in copper or brass lines can be welded, brazed, threaded, or flanged. Joints in steel or iron pipe can be welded, threaded, or flanged. Nitrogen should be purged through pipes being welded or brazed. All piping must be clean and oil free and should have a slight angle back toward the manifold so that any moisture will run back toward it.

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