In this blog, we will take you step-by-step through the process of converting a pitot gauge’s PSI reading to GPM. Social media providers are unaffiliated with us, and we are not responsible for the 140 gpm @ 50 psi 125 gpm @ 100 psi 90 gpm @ 150 psi 60 gpm @ 200 psi 40 gpm @ 250 psi 25 gpm @ 275 psi. 2300 MAX PSI at 1.2 GPM, 2.3 GPM MAX at 100 PSI. 1 psi = 6,894.76 Pascals. You cannot directly convert PSI to GPM. Google may also transmit this Temperatures to 180° F. HP Range: .5 to 5 HP. Our website uses cookies. Bernoulli, a Swiss mathematician, developed a formula that represents the relationship between velocity and pressure along a streamline. Get it as soon as Thu, Feb 11. Step 1: Multiply the constant 29.84 times the coefficient of discharge (cd). Click on the image to see the full-size version: Click here or on the image above for a full-size version. While testing a single fire hydrant, here’s what we found: So, what’s the total GPM available at normal operating pressure? 265 gpm @ 50 psi 195 gpm @ 100 psi 150 gpm @ 150 psi 80 gpm @ 200 psi. Alejandro — thank you for reaching out. We use Google Analytics, a web analytics service of Google Inc. (“Google”) which uses cookies to The flow rate of water in gallons per minute, or gpm, can be calculated with the help of the Bernoulli equation and careful unit conversion. In addition, always consult with a professional, such as a life safety engineer, contractor, and your local authority having jurisdiction (AHJ; a fire marshal or other government official) before making any changes to your fire protection or life safety system. 3‐50 gpm ‐ 1″ digital (300 psi) 30‐300 gpm ‐ 2″ digital (300 psi) methanol ethanol. PSI can’t be directly converted to GPM; these are two different units of measure. A handheld pitot gauge is the quickest, simplest method for measuring straight-tip and hydrant-flow GPM. Price $474.60. files or other pieces of data which are downloaded or stored on your computer or other device, that behalf. When represented mathematically, the friction is called the “hydrant’s coefficient” and is determined by the loss in flow caused by the hydrant’s internal orifice design. Our inventory of pumps includes multi-stage centrifugal pumps, positive displacement pumps, reciprocating pumps, single stage centrifugal pumps and screw pumps in a variety of design standards including API 610 Centrifugal Pumps, API 674 Reciprocating Pumps and API 676 Rotary Pumps. Fire hydrants are color-coded according to their strength of output, enabling fire departments to assess their water resource capabilities quickly when they arrive on the scene of an emergency. Examples of information of this type are your IP address, Source: City of South Salt Lake Fire Marshal Regulations. Capacities to 60 GPM. Now that you’ve got a grasp on how PSI, discharge coefficients, and diameter impact a hydrant’s flow rates, try our handy GPM calculator for fire hydrants: Watch this video for another step-by-step example of how to use the pitot gauge’s PSI reading to calculate the rate of water flowing from the hydrant in GPM: Theoretical discharge tables, like the one we provide with our selection of pitot gauges, make the conversion even simpler. Firefighting operations can be seriously jeopardized if fire hydrants can’t deliver proper water flow. This tool converts liters per minute to gallons per minute (lt/m to gal/m) and vice versa. It surpases the maximum recommended velocity of 10 FPS! Continue Shopping View Your Cart.
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