NFPA 11 identifies several materials for foam concentrate pipe & valves, including brass, bronze, stainless steel (304 or 316), or other material in accordance with foam concentrate manufacturer's certification of compatibility with the foam concentrate as approved by the AHJ. [NFPA 11-2016 184.108.40.206]
Can we use hot-dipped carbon steel pipe to meet this requirement after the foam pump to the foam chamber of the cone roof tanks?
The distance is more than a mile long (1.2 miles, 2 km). Thanks in advance.
Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
Subscribe and learn something new each day:
Top June '21 Contributors
Get 100 Days of Free Sample Questions right to you!
PE PREP SERIES