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NFPA 13 §7.6

Antifreeze loop volume

Volume of antifreeze solution needed to fill a sprinkler loop of given length and pipe size.

V = π·(d/2)² · L. Use listed pre-mixed solutions only (NFPA 13 §7.6).

Result
Loop volume
29.5 L
Loop volume
7.78 US gal
Listed solution
Propylene glycol ≤ 30% v/v

Formula: V = π·(d/2)² · L

Reference: NFPA 13 §7.6

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