Todd, My 2002 copies of 13 and 13R have it as an option under specially listed pipe, NFPA 13- section: 6.3.6.1, and NFPA 13R-section: 5.2.2.2.
Hope this helps! Sincerely, Eric Rieve, SET Rieve Fire Protection From: Fpdcdesign <[email protected]> Sent: Monday, March 4, 2024 10:36 AM To: Sprinklerforum <[email protected]> Subject: [Sprinklerforum] Polybutylene pipe Was polybutylene pipe ever listed for NFPA 13 or 13R systems? I looked at a system with PB pipe this morning but have no other information on the system (placard only had the static water pressure). Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080<tel:860-535-2080> (ofc) 860-554-7054<tel:860-554-7054> (fax) 860-608-4559<tel:860-608-4559> (cell)
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