Sprinkler Velocity Calculator
Sprinkler Velocity Calculator
Calculate The Water Velocity Of Your Sprinkler Systems And Maintain The Efficacy Of Your Suppression Units
Use our free Sprinkler Velocity Calculator to calculate your sprinkler’s water velocity to ensure maximum efficiency of your fire protection system.
What Is A Sprinkler Velocity Calculator?
Why Use A Sprinkler Velocity Calculator?
Using a sprinkler velocity calculator, you can quickly and accurately calculate the velocity of water. You can use it multiple times to assess the water speed of all your sprinkler systems. For brand-new sprinkler units, it lets you get a precise idea of the required size of its pipes against the water pressure to avoid wear and tear of the pipes and fittings. Moreover, being precise with your measurements and calculations will benefit you by staying compliant with the applicable fire codes and regulations.
What Is GPM?
GPM, or gallons per minute, measures water flow, indicating how many gallons of water can pass through a pipe per minute. Calculating the GPM accurately is imperative to have accurate unit components, such as sprinkler pipes, to ensure that they provide adequate water flow compatible with the area’s potential risks.
The formula for calculating GPM is based on the time it takes to fill a specific volume of water. Simply, to find the GPM, divide 60 by the total time in seconds required to fill 1 gallon of water.
So, the formula is: 60/t(s) = 1 gallon
How Do You Calculate Sprinkler Velocity?
The formula is:
Velocity = 0.408×GPM / π×(Diameter/2)^2
Where,
0.408 is the constant unit to convert the units
π, which values 3.14
π×(Diameter/2)^2 represents the cross-sectional area of the pipe ( πr^2, where radius is half of the diameter)
How To Use Our Sprinkler Velocity Calculator?
Moreover, our tool ensures the sprinkler water velocity does not exceed 15 feet per second. This is because a higher velocity of the water can end up causing an occurrence known as ‘Water Hammer.’ It occurs when a sudden water pressure can alter its direction or force it to stop. This may damage the pipes and other equipment of the sprinkler system. Furthermore, keeping the velocity low can reduce the chances of wear and tear, shortening the sprinkler’s lifespan and increasing the sprinkler’s maintenance cost. This helps in sustaining the efficiency of the system while operating the sprinkler.
Check Out Our Other Free Calculators And Tools!
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