Which of the following statements about foam concentrate piping shall not be galvanized or carbon steel?

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Multiple Choice

Which of the following statements about foam concentrate piping shall not be galvanized or carbon steel?

Foam concentrate piping must be compatible with the chemicals in the foam and any additives, so it doesn’t corrode or contaminate the solution. Galvanized steel relies on a zinc coating that can be attacked by many foam concentrates, causing the coating to fail or shed zinc into the system. Carbon steel, while strong, is also prone to corrosion when in contact with foam concentrates over time. Because of these risks, foam concentrate piping is not allowed to be galvanized or carbon steel. The piping should be made from materials that resist the foam’s chemicals, such as stainless steel, copper, or approved non-metallic options, depending on the system design, to ensure long-term reliability and prevent contamination.

Foam concentrate piping must be compatible with the chemicals in the foam and any additives, so it doesn’t corrode or contaminate the solution. Galvanized steel relies on a zinc coating that can be attacked by many foam concentrates, causing the coating to fail or shed zinc into the system. Carbon steel, while strong, is also prone to corrosion when in contact with foam concentrates over time. Because of these risks, foam concentrate piping is not allowed to be galvanized or carbon steel. The piping should be made from materials that resist the foam’s chemicals, such as stainless steel, copper, or approved non-metallic options, depending on the system design, to ensure long-term reliability and prevent contamination.

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