PHONE: 330.264.5678 or 800.228.1161 I FAX: 330.264.2944 or 800.531.7335 I www.akronbrass.com *Note: Flows with asterisk (*) are NOT UL CERTIFIED and are not part of the UL Classification. The accuracy of these flows are based upon theoretical discharge calculations. *Solid Bore Discharge Formula: 29.71D 2 √NP , D = Bore Diameter, NP = Nozzle Pressure Measured with Pitot Gauge (PSI). References: InternaƟonal Fire Service Training AssociaƟon (IFSTA) Fire ProtecƟon PublicaƟons - Fire Stream PracƟces - 7th EdiƟon. Always follow the most current NFPA 1911 when tesƟng with the Apparatus Flow Test Kit.