To fight a fire on the ground, a fire hose needs about 150 pounds per square inch of water pressure. To get water to the 30 th floor of a building, the pressure needs to be about 300 PSI to offset

Parker Hose Products Division: No. 1 in Hose Products. With the Service to Match. Hose Industrial Transfer Hose Oil Hose Fire Resistant Blow Out Preventer (BOP) Hoses – 3000/5000 PSI – FA21/FA35 hose

Field personnel have requested information regarding the safest and most efficient method to counter the hose nozzle reactive force generated during annual fire engine service testing. The San Dimas Technology and Development Center recommends that fiberglass sandbags be positioned across and down the entire length of the hose, with more weight added at the nozzle end to secure it in place.

Keep in mind that if you transfer gaseous substance through the hose then you need to find the ratio of the density of gas over the density of water and adjust the pressure drop respectively. For example if you transfer natural gas (density = 0.050 lb/ft 3) and knowing that water density = 62.4 lb/ft 3 we can find out the pressure drop as the following: 3.7 x (0.050/62.4) = 0.0030 psi/ft or 0

2009/6/16· The requirement for calculations are two 2 1/2" hose valves flowing 250 GPM each at a pressure of 100 PSI along with, of course, the top hose valve on all other standpipes flowing the same. In my calculations I''m not certain whether or not to derive a K factor of 25 for the valve and flow it like a fire sprinkler on the standpipe or to model a short 2 1/2" length of pipe with a friction loss

2009/6/16· The requirement for calculations are two 2 1/2" hose valves flowing 250 GPM each at a pressure of 100 PSI along with, of course, the top hose valve on all other standpipes flowing the same. In my calculations I''m not certain whether or not to derive a K factor of 25 for the valve and flow it like a fire sprinkler on the standpipe or to model a short 2 1/2" length of pipe with a friction loss

Enter your appliion’s fluid properties, hose and coupling specifiions, and our Fluid Flow Pressure Calculator will help identify your operational issues, so you can eliminate costly downtime, improve efficiency, and save money.

Field personnel have requested information regarding the safest and most efficient method to counter the hose nozzle reactive force generated during annual fire engine service testing. The San Dimas Technology and Development Center recommends that fiberglass sandbags be positioned across and down the entire length of the hose, with more weight added at the nozzle end to secure it in place.

The Hydrant Flow Test Calculator measures the rated capacity at 20 psi of a fire hydrant. The rated capacity calculation is useful in determining the total water supply at …

Download Fire Flow / Pump Pressure Calculator and enjoy it on your iPhone, iPad, and iPod touch. This fire appliion calculates both estimated needed fire flow required to extinguish a structure fire as well as calculate pump discharge pressures for various hand-lines and master streams in …

Back to Basics: Firehose Sizes.The difference in hose sizes are subtle, but the knowledge of knowing the right one to use is invaluable. In our last post, we explored some of the basic fire rig apparatus and equipment checks. These straightforward evaluations can

Often preferred in tough environments, the GoldenArmour integrated hose assely protects the rubber hose from both external mechanical damage and fire. Available in a unique 5,000psi rated line, GoldenArmour has been fully tested and approved to API 16D.

selections lighten the hose up to 25% compared to competitive offerings. This reliable, double jacket fire hose with Key-Lok treatment is tested to 600 and 800 psi, meets MIL-H-24606 latest edition for abrasion resistance and is UL Listed*. Features a 10-year

The old formula 2Q squared plus Q was designed for 2-1/2” hose calculations and it is my understanding that the nuers were based on 2-1/2” pipe, not fire hose. In other words dimensions. A coefficient could then be used in the formula to apply it to other hose diameters.

Developing Pump Discharge Pressures Pump operators have one of the most critical jobs within the fire company. They must be able to deliver the troops in a timely and safe manner and provide them with an adequate water flow to suppress the fire as fast as

Calculate Gallons Per Minute Get a one gallon container, and time how long it takes to fill it with water. For the best accuracy measure the flow 3 or 4 times and average the times together. The formula to find GPM is 60 divided by the seconds it takes to fill a one

Back to top CALCULATING FLOW RATES If you are using a software program to calculate flow, you may need to input a coefficient or k-factor into the program to calculate flow-rate. Using the coefficients will give relatively accurate results. Check results against

This friction loss calculator employs the Hazen-Williams equation to calculate the pressure or friction loss in pipes. Losses are calculated on the basis of flow rates in circular pipes, the internal diameter of the pipe, the length of the pipe, and the type of pipe

Download Calculation sheet for Fire finding Pump. Head Calculation Excel Sheet xls for the fire sprinkler system pumps. A fire pump is a part of a fire protection system’s water supply. It is important to know that a fire pump does not create water, it takes water that is given to it from a water supply such as underground water tank and increases the pressure (energy) of the water.

Driver/Operator 1B Cheat Sheet Friction Loss (FL) = C(Q2)L PDP = NP + [FL + AL ± EP] NP = Nozzle Pressure 100 psi - Coination 80 psi - Smooth Bore (master) 50 psi - (Do not aSmooth Bore (handheld) AL = Appliance Loss 10 psi - Wye/Siamese 15 psi

The Hydrant Flow Test Calculator measures the rated capacity at 20 psi of a fire hydrant. The rated capacity calculation is useful in determining the total water supply at a given point in the hydrant or water main. The calculation offers more useful information than the

Often preferred in tough environments, the GoldenArmour integrated hose assely protects the rubber hose from both external mechanical damage and fire. Available in a unique 5,000psi rated line, GoldenArmour has been fully tested and approved to API 16D.

Calculate Gallons Per Minute Get a one gallon container, and time how long it takes to fill it with water. For the best accuracy measure the flow 3 or 4 times and average the times together. The formula to find GPM is 60 divided by the seconds it takes to fill a one

This friction loss calculator employs the Hazen-Williams equation to calculate the pressure or friction loss in pipes. Losses are calculated on the basis of flow rates in circular pipes, the internal diameter of the pipe, the length of the pipe, and the type of pipe

You have to calculate how many GPM the nozzle is supposed to deliver and at what pressure. Most 1 1/2″ nozzles were 100 GPM at 100 PSI when I was running an engine. Then you have to calculate your friction loss and head pressure and add that to yo

2008/5/11· Flow volumes of fire hose Woodie: There is no single flow volume for fire hose. It all depends upon how much pressure you are able to supply in getting the water through the hose line. Then the length of the hose directly affects the amount of pressure it will take.

2009/6/16· The requirement for calculations are two 2 1/2" hose valves flowing 250 GPM each at a pressure of 100 PSI along with, of course, the top hose valve on all other standpipes flowing the same. In my calculations I''m not certain whether or not to derive a K factor of 25 for the valve and flow it like a fire sprinkler on the standpipe or to model a short 2 1/2" length of pipe with a friction loss

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