pump discharge pressure for smooth bore nozzle

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  • Pump Discharge Pressure - loresoft.com

    2020-9-14 · Pump Discharge Presure. PDP = NP + FL + AFL +/- EL. Nozzle Pressure (NP) Fog Nozzle 100 psi Smooth Bore Handline 50 psi Smooth Bore Master 80 psi Single Hose Friction Loss (FL) Hose: GPM: Length: Smooth Bore Nozzle ...

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  • Developing Accurate Pump Discharge Pressures | Fire ...

    2018-7-1 · Table 2. Flow Comparison for Stacked Tips Pumped at the Highest PDP: Tip. Nozzle Pressure. Gallons per Minute. 2-inch. 110. 1,060. 1¾-inch . 80. 814 . 1½-inch. 90

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  • RULE OF EIGHT’S FOR SMOOTH BORE MASTER STREAMS

    2019-4-16 · Pump Discharge or Engine Pressure = Nozzle Pressure + Friction Loss + Device ± Elevation NR = 1.57 x D² x NP (Smooth Bore Nozzle) Nozzle Reaction = 1.57 x (Diameter of Nozzle Tip)² x Nozzle Pressure NR = 0.0505 x Q x √NP (Fog Nozzle) GPM = 29.7 x D² x √NP (Smooth Bore Nozzle) Gallons per minute = 29.7 x (diameter)² x √ nozzle pressure

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  • SMOOTH BORE POCKET FLOW GUIDE - Elkhart Brass

    2017-9-7 · Nozzle Pressure (PSI) 16 16 16 16 16 17 17 ... SMOOTH BORE DISCHARGE DATA POCKET FLOW GUIDE (GPM) 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 105 110 115 120 125 130 135 140 145 150 175 200 P.O. Box 1127, Elkhart, IN 46515 • 1.574.295.8330 • 1.800.346.0250 • www.elkhartbrass.com • Email: [email protected]fleet.net

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  • Every Pump Operator’s Basic Equation

    2020-12-11 · smooth bore nozzle any larger than 1¼ inches. A 1¾-inch hand-line should have a nozzle tip no larger than 7⁄8 inch. the amount of water discharging from a smooth bore is determined by the nozzle pressure and the inside diameter of the opening. the formula for determining the gpm flow from a smooth bore nozzle is as follows:

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  • What is a smooth bore nozzle? - FindAnyAnswer.com

    2020-4-14 · Then, what do you pump a smooth bore nozzle at? The operating pressure of the smooth bore is a range from 40 to 60 pounds per square inch (psi), with 50 psi as optimal.. Beside above, what is considered a master stream? A master stream is basically defined as a heavy-caliber stream delivered through a master stream water delivery appliance. A master stream is used when flows surpass 350 ...

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  • Calculating pump-discharge-pressure-made-easy

    Compare the flow and reach of each nozzle from Akron Brass using both our smooth bore nozzle flow charts and other nozzle gpm charts. Cookie Policy This site uses and sets 'cookies' on your computer to help make this website better.

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  • Smooth Bore Nozzle Flow Chart - Akron Brass

    2016-4-13 · For any size SMOOTH BORE nozzle, the discharge for fresh water can be approximately determined by this formula. GPM = 30 d2 NP Where d = diameter of smooth bore tip, and NP = Nozzle Pressure There are only two square root numbers to choose from for these calculations. 7 HINT Hand held smooth bore - 50 psi = Deck gun, Deluge or Monitor - 80 psi = 9

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  • What pressure do you pump a master stream?

    Having a good understanding of pump discharge pressure is essential to becoming an effective fire engine operator. In this regard, what do you pump a smooth bore nozzle at? A smoothbore handline's optimum tip pressure is 50 PSI. This means at 50 PSI, your tip size of choice should give you good reach, penetration, a desired nozzle reaction, and ...

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  • FIREGROUND HYDRAULICS

    2016-4-13 · For any size SMOOTH BORE nozzle, the discharge for fresh water can be approximately determined by this formula. GPM = 30 d2 NP Where d = diameter of smooth bore tip, and NP = Nozzle Pressure There are only two square root numbers to choose from for these calculations. 7 HINT Hand held smooth bore - 50 psi = Deck gun, Deluge or Monitor - 80 psi = 9

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  • Fixed Master Stream Operations Using Smooth Bore

    2011-6-24 · Note that the standard rule is to use a pressure of 80 psi for a smooth bore tip nozzle in master stream operations. Higher pressures will create a …

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  • Smooth Bore Show Down - TFT

    2018-5-23 · automatic, 7/8” smooth bore. Dual-Force (50 to 250 gpm) is the hydraulic equal of a one inch tip. 7/8” smooth bore at 50 psi flows about 165 gpm 1” smooth bore at 50 psi flows about 200 gpm. 1997 pressure in the center! flow control at the nozzle, not the pump www.cottrellinc.com Smooth Bore Show Down & MidMatic-MidForce Evaluation Need help?

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  • What psi do you pump a deck gun? - AskingLot.com

    2020-4-3 · Nozzle Pressure (NP) The amount of pressure required at the nozzle to produce an effective fire stream. Correspondingly, what do you pump a smooth bore nozzle at? The operating pressure of the smooth bore is a range from 40 to 60 pounds per square inch (psi), with 50 psi as optimal.

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  • Theoretical Discharge And Reaction - Akron Brass

    Theoretical Discharge and Reaction Solid Bore Nozzles (PDF) - View the nozzle pressure, gallons per minute (GPM), reaction force in pounds and bore dimensions for solid bore nozzles Fog Nozzles (PDF) - View the GPM settings, gallons per minute (GPM), reaction force in pounds and nozzle pressure …

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  • How to calculate GPM (water flow) for a fire pump?

    2016-4-20 · A1¾-inch handline should have a nozzle tip no larger than7⁄8 inch.The amount of water discharging from a smooth bore is determined by the nozzle pressure and the inside diameter of the opening. The formula for determining the GPM flow from a smooth bore nozzle is as follows:.D2√P (D = nozzle diameter; √P = square root of pressure)

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  • Nozzle Knowledge Is More Than Just Smooth Bore or

    2020-2-29 · Reducing the nozzle pressure is an option and is being applied as U.S. fire departments are switching from high-pressure fog nozzles (100 psi) to smooth bore nozzles or low-pressure fog nozzle (50 ...

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  • 5 things firefighters must know about nozzles

    2020-9-12 · The basic formula for calculating pump discharge pressure is PDP = NP + TPL — PDP is the pump discharge pressure, NP is the nozzle pressure and TPL is the total pressure loss (that's hose line ...

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  • Engine Operator Pump Test Flashcards | Quizlet

    Calculate the pump pressure for the alternative hose pack on the 6th floor using the fog nozzle and 200' of 3' hose to supply each side of the FDC. 175 PSI When relay pumping or operating as the supply engine what should the initial discharge pressure be for the supply line?

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  • What pressure do you pump a master stream?

    Having a good understanding of pump discharge pressure is essential to becoming an effective fire engine operator. In this regard, what do you pump a smooth bore nozzle at? A smoothbore handline's optimum tip pressure is 50 PSI. This means at 50 PSI, your tip size of choice should give you good reach, penetration, a desired nozzle reaction, and ...

    Get Price
  • Pump Chart - cdpsdocs.state.co.us

    2020-1-8 · PP Pump Pressure 2 ½” hose 2 TPDP Total Pump Discharge Pressure 2 ½” Siamese line .5 3” w/2 ½” couplings 0.8 3” w 3” couplings 0.677 4” hose 0.2 5” hose 0.08 4” Standpipe 0.374 5” Standpipe 0.126 6” Standpipe 0.052 Calculating GPM for Smooth Bore nozzles: Formula: GPM=29.7 x …

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  • Smooth Bore Data - Elkhart Brass

    2015-3-23 · SMOOTH-BORE NOZZLES Smooth bore nozzles generate effective streams at nozzle pressures as low 30 PSI, but the stream will degrade at pressures over 60 PSI. FLOW RATE & REACTION FORCE 7/8' TIP NOZZLE PRESS. 15/16' TIP 1' TIP 1 1/16' TIP 1 1/8' TIP 1 3/16' TIP. ELKHARIVBRASS Fire Fighting Equipment . Title: Smooth Bore Data.xlsx Author:

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  • Adjustable Smooth Bore Nozzle - WaterShield LLC

    2011-7-20 · The following are design(s) for an improved smooth bore fire nozzle that are useful for decreasing/increasing the GPM of the nozzle without altering the nozzle inlet pressure (FIG. 5). This constant pressure will minimize the change in nozzle reaction (force required to hold back the nozzle) vs. fixed exit area smooth bore nozzles when the GPM ...

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  • Friction Loss Formula for Fire Hydaulics - Cheat Sheet ...

    Nozzle Pressures Smooth Bore o Hand-held = 50psi o Master = 80psi Fogs (including fogs on master stream devices) o Most fogs = 100psi NOZZLE REACTION Newton’s Third Law of Motion, “For every action there is an equal and opposite reaction.” ... As pump discharge pressure varies in response to changing discharge volumes, the reference ...

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  • How to calculate GPM (water flow) for a fire pump?

    2016-4-20 · A1¾-inch handline should have a nozzle tip no larger than7⁄8 inch.The amount of water discharging from a smooth bore is determined by the nozzle pressure and the inside diameter of the opening. The formula for determining the GPM flow from a smooth bore nozzle is as follows:.D2√P (D = nozzle diameter; √P = square root of pressure)

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  • 5 things firefighters must know about nozzles

    2020-9-12 · The basic formula for calculating pump discharge pressure is PDP = NP + TPL — PDP is the pump discharge pressure, NP is the nozzle pressure and TPL is the total pressure loss (that's hose line ...

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  • Two-Inch Hose: the Lightweight Preconnected Little

    2014-6-9 · The nozzles used for this test are smooth bore tips for a 50-psi nozzle pressure. Because the two-inch will have a higher friction loss at the high flows we tried to achieve, a nozzle with a low nozzle pressure kept the overall discharge pressure as low as possible.

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  • Send The Water : Supplying Aerial Master Streams-An

    2013-2-3 · Using a smooth bore tip on an aerial monitor will lower your supply pump pressure 20 PSI compared to using a 100 PSI automatic nozzle, because the smooth bore only requires 80 PSI at the tip for its 'rated flow'.

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  • High Rise Fire-fighting : Branches (Nozzles)

    2017-2-15 · A well balanced attack may consist of 2 hose lines, one terminating in a smooth bore branch (19-22mm) and a suitable low pressure/high flow combination branch. With this combination, modern compartment fire-fighting techniques and, perhaps “old fashion” high flow solid jets, can be used together or in isolation to provide the best attack of ...

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  • Pump Chart - cdpsdocs.state.co.us

    2020-1-8 · PP Pump Pressure 2 ½” hose 2 TPDP Total Pump Discharge Pressure 2 ½” Siamese line .5 3” w/2 ½” couplings 0.8 3” w 3” couplings 0.677 4” hose 0.2 5” hose 0.08 4” Standpipe 0.374 5” Standpipe 0.126 6” Standpipe 0.052 Calculating GPM for Smooth Bore nozzles: Formula: GPM=29.7 x …

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  • Calculating Pumping Formulas - Litchfield Fire

    PDP = Pump Discharge Pressure: PUMP FORMULAS Gallons Per Minute (29.7) (D 2) (√ NP) Nozzle Reaction (solid stream smooth bore) (1.57) (D 2) (NP) Nozzle Reaction (fog nozzle)

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  • Smooth Bore Data - Elkhart Brass

    2015-3-23 · SMOOTH-BORE NOZZLES Smooth bore nozzles generate effective streams at nozzle pressures as low 30 PSI, but the stream will degrade at pressures over 60 PSI. FLOW RATE & REACTION FORCE 7/8' TIP NOZZLE PRESS. 15/16' TIP 1' TIP 1 1/16' TIP 1 1/8' TIP 1 3/16' TIP. ELKHARIVBRASS Fire Fighting Equipment . Title: Smooth Bore Data.xlsx Author:

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  • Friction Loss Formula for Fire Hydaulics - Cheat Sheet ...

    Nozzle Pressures Smooth Bore o Hand-held = 50psi o Master = 80psi Fogs (including fogs on master stream devices) o Most fogs = 100psi NOZZLE REACTION Newton’s Third Law of Motion, “For every action there is an equal and opposite reaction.” ... As pump discharge pressure varies in response to changing discharge volumes, the reference ...

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  • Smooth bore Nozzles - Firehouse Forums -

    2001-4-28 · To keep everyone happy, we purchased some combination nozzles with the screw off fog head that turns the nozzle into a 15/16-inch smooth bore. Everyone pretty much seems to be comfortable with them. Actually the hardest part was tying to get our chauffeurs familiar with pumping at a lower pressure and making sure the hose being used has the ...

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  • How to Calculate Nozzle Reaction - US Forest Service

    2013-3-30 · Calculating the Nozzle Reaction for a 1.25-inch-Bore-Diameter Nozzle The solid bore discharge formula is gallons per minute (gpm) = 29.71 D² NP¹/². The formula can be rewritten to solve for the unknown, nozzle pressure: Nozzle Pressure = NP psi = [(gpm)/(29.71 x D²)]² Where: gpm = 400 gpm. bore diameter (D) = 1.25 in. therefore:

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  • Vincicator Nozzles - Frequently asked Questions

    2010-9-12 · Flow rates for smooth bore nozzles are obviously determined by the size of the bore and the pressure. The most commonly used tip sizes for a 1¾' hose are the 7/8' and 15/16', which flow 161 gpm and 185 gpm respectively at 50 psi NP. Common smooth bores for a 2½' hose line are the 1' or 1¼', which flow 211 gpm and 330 respectively at 50 psi NP.

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  • Put the Pump Chart on the Pump Panel - FireRescue1

    2009-8-20 · For instance, a 15/16' smoothbore nozzle at 50-psi nozzle pressure is designed to produce 185-gpm. If this is the nozzle carried on a preconnected line, the first number should show the required ...

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  • Nozzle Types, Pros and Cons | FirefighterNation

    2012-6-21 · When using any nozzle to extinguish a fire, keep in mind that actual flow may be affected by many variables, such as differences in piping from the pump to the discharge point, increasing friction ...

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  • 1 1/2' Hose Nozzles

    1 1/2' smooth bore red polycarbonate nozzle. NPSH and NPT are more common in industrial applications. How we conducted our nozzle testing. We used a Honda self-priming water pump with a two inch inlet and a two inch outlet that produces 135 gallons per minute (GPM). The nozzle was attached to a fifty foot 1 1/2 inch fire hose.

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  • Pump Operation Review - Montgomery County, Maryland

    2015-3-25 · Pump Discharge or Engine Pressure = Nozzle Pressure + Friction Loss + Device ± Elevation NR = 1.57 x D² x NP (Smooth Bore Nozzle) Nozzle Reaction = 1.57 x (Diameter of Nozzle Tip)² x Nozzle Pressure NR = 0.0505 x Q x √NP (Fog Nozzle) GPM = 29.7 x D² x √NP (Smooth Bore Nozzle) Gallons per minute = 29.7 x (diameter)² x √ nozzle ...

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  • 1 OAK Engineer - Pump Chart Flashcards

    Pump discharge pressure for 200' of 1 3/4' hose and a nozzle? Definition. 110 psi: Term. Pump discharge pressure for 300' of 1 3/4' hose and a nozzle? Definition. 140 psi: ... Ground monitor equipped with a smooth bore tip's nozzle pressure? Definition. 80 psi: Term. F: Definition. Supporting users have an ad free experience! Tweet . My ...

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  • ENOP Student Pre-Course Work

    2021-2-23 · “Pump discharge pressure” is the amount of pressure in pounds per square inch (PSI) as measured at the discharge side of the pump. ... (determined by the size of the smooth bore nozzle tip or GPM rating of a variable pattern nozzle) • The diameter of hose (usually 1½-inch and/or 1-inch in wildland fire) • The length of the hose lay

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  • How to calculate GPM (water flow) for a fire pump?

    The formula for determining the GPM flow from a smooth bore nozzle is as follows:.D2√P (D = nozzle diameter; √P = square root of pressure) For example, a one-inch smooth bore tip will have a discharge of gpm:. × ×7. = gpm.

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  • Put the Pump Chart on the Pump Panel - FireRescue1

    2009-8-20 · For instance, a 15/16' smoothbore nozzle at 50-psi nozzle pressure is designed to produce 185-gpm. If this is the nozzle carried on a preconnected line, the first number should show the required ...

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  • Mike Slusher’s Pump Test

    2010-9-17 · Pump Pressure GPM Nozzle Tip Discharge Hose Pitot Reading. 150 psi 500 1 1/2” 1 x 50 ft 58. 200 psi 300 1 1/4” 1 x 50 ft 58 psi. 250 psi 250 1” 1 x 50 ft 72 psi. The following formula can be used to convert nozzle pressure to gallons per minute. GPM = 29.83 c d2 (np. C= coefficient of discharge nozzle. D = diameter of nozzle in inches

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  • MANUAL: VALVE INTEGRAL TIP (VIT) NOZZLE

    2019-4-17 · The VIT nozzle has fixed orifice sizes. Relationship of flow and nozzle pressure at each orifice size is shown below. If the VIT nozzle is connected behind a different nozzle, use the flow charts for the outlet nozzle. Contact the factory or visit the website (www. tft.com) for range and trajectory data. 0.000 1.000 2.000 3.000 4.000 5.000 6 ...

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  • Chapter 6 - Hose Nozzles and Flow Rates Flashcards

    A _____ flow fog nozzle is designed to flow a specific volume of water on all stream patterns at a specific nozzle discharge pressure. Constant flow nozzle p 197 ... Smooth bore streams are generally operated at _____ psi nozzle pressure, while fog appliances are generally operated at _____ psi. ... Ch. 1 Types Of Apparatus Equipped With A Pump

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  • Elkhart Hard Facts Calculator App - Download Now on

    · Smooth Bore Discharges & Flow/Pressure · Nozzle Reaction for Smooth Bore Nozzles · Nozzle Reaction for Fog Nozzles · Pump Discharge Pressure for standard layouts, with ability to input hose coefficient depending on make and inside diameter · Pump Discharge Pressure with …

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  • What PSI do yall use? - Firehouse Forums -

    2001-3-16 · Pump panel gauge pressure at 210 on a 200 foot 1-3/4' handline with a Heavy Attack Vindicator nozzle flowing 250 g.p.m. SM-20 fog nozzle on the same line at 240 gauge for 200 g.p.m. 15/16' Smooth bore on the same line at 150 gauge pressure for …

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