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| Heat is a huge problem in some systems. Make sure that any pressure rating you read also tells you:
1. Water, steam, air.... what's the rating for?
2. Temperature at which the rating is claimed.
3. SAE hose or tube type. Few have done their homework quite as well as SAE.
Remember that compressed air carries oil mist.
Oil mist + heat can eat through certain plastic or rubber compounds with a vengeance... steel wins here!
Hoses with an EPDM inner tube are especially vulnerable, so go with synthetic inners.
Compressed air also carries water, which eats steel.
Controlling moisture is important in any air system... and it'll eat air tools alive.
Go to any commercial shop and you'll likely see steel lines with drains placed strategically, and maybe even a coalescing dryer, or some other water catching device.
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PVC Air Lines in a Shop
