Foam concentrate piping galvanized material policy?

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Foam concentrate piping galvanized material policy?

Foam concentrate piping must use materials that resist corrosion and won’t contaminate or degrade the foam solution. Galvanized steel has a zinc coating that can be attacked by many foam concentrates, causing corrosion, coating flaking, and rust underneath. This can lead to leaks, clogging, impurities in the foam, and compromised system reliability. Because of these compatibility and durability concerns, galvanized piping is not permitted for foam concentrate lines. Operators instead use stainless steel or approved non-metallic piping that is compatible with the specific foam concentrate and system requirements.

Foam concentrate piping must use materials that resist corrosion and won’t contaminate or degrade the foam solution. Galvanized steel has a zinc coating that can be attacked by many foam concentrates, causing corrosion, coating flaking, and rust underneath. This can lead to leaks, clogging, impurities in the foam, and compromised system reliability. Because of these compatibility and durability concerns, galvanized piping is not permitted for foam concentrate lines. Operators instead use stainless steel or approved non-metallic piping that is compatible with the specific foam concentrate and system requirements.

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