It’s important to know how much water flow to expect from every hoseline you deploy at a fire, especially if you have multiple sizes and lengths of hose available on your engine. Why? Because the BTU ...
Many researchers and subject matter experts (SMEs) agree that 1¾-inch interior handline flows should be between 150–160 gpm. The NFPA included a similar recommendation in NFPA 1710: Standard for the ...