• Common Basic Formulas for Mineral Processing Calculations

     · Mill Water to Ore Ratio Requirements. Resistance of Various Materials to Crushing. Pulp Calculations. W—Tons of solids per 24 hours. R—Ratio of weights: solution/solids. V—Ratio of volumes: solution/solids. L—Specific gravity, solution. P—Specific gravity, pulp. S—Specific gravity, solids. Specific Gravity Details. Pulp Details by ...

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  • Water Flow Rate Sizing Guide

    hour, divide by 500 to convert to gallons per minute.) C. Install a digital readout water meter in gpm and record peak gpms during peak consumption. 5. Private water supplies A. Find out the pumps capacity in continuous gpm. B. Check the pump start and stop settings. C. Install a .

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  • Hydraulic CalculationsHydraulic System Design Calculations

    GPM x PSI x .0007 (this is a 'ruleofthumb' calculation) Example: How many horsepower are needed to drive a 5 gpm pump at 1500 psi? GPM = 5 PSI = 1500. GPM x PSI x .0007 = 5 x 1500 x .0007 = horsepower –Hydraulic . Pump Displacement Needed for .

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  • GPM (gallons/min) Calculator

     · First, gather a 1 gallon bucket. Place the gallon bucket under the water flow. Next, measure the time it takes to fill. Using a stop watch, measure the time it takes to fill the bucket. Finally, calculate GPM. Calculate the GPM using the formula above and the seconds from step 2.

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  • Water Evaporator and Condenser Equations

    Evaporator water flow rate can be expressed as. qevap = 24 hevap / dt (2) where. qevap = evaporator water flow rate (gallons per minute gpm) hevap = air condition load (1 refrigeration ton = 1 TONScond = 12,000 Btu /h = 200 Btu/min = 3, k Calories /h = 12,661 kJ/h = 3517 kJ/s = 3517 kW = 4713 HP ) Condenser water flow rate can be ...

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  • Conversions and Formulas

    Water (approx.) Heat (Btu/hr) = Flow Rate (GPM) x 450 x Temperature Difference (oF) Btu/hr Q = GPM x 450 x rT Heat In Dry Air (approx.) Standard Cubic Feet Per Minute x x Temperature Difference (oF) SCFM x x Temperature Difference (oF) Fluid Power In Horse Power Horse Power = Pressure (PSI) x Flow (GPM) 1714 HP = PQ 1714

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  • Water Heating Calculator for Time, Energy, and Power

     · Water Heating Calculator for Time, Energy, and Power. The calculators on this page compute how long it takes to heat water, how much energy is consumed, and how much heating power is required. Only input whole numbers, do not use a comma or point. The calculators assume efficiency and no loss of energy during the heating process.

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  • Example Calculations of Chlorine Dosage

    Division of Drinking Water Example Calculations of NaOCl Feed Rate (mL/min) Equation 1C: Chemical feed rate calculation: Eq. 1C: Feed Pump, mL/min = (Cl2 dosage, mg/L) x (Flow, gpm) x % NaOCl solution (w/v) Feed Pump Rate Example 1: Water flow is 35 gpm and chlorine solution strength is % NaOCl (w/v).

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  • Water Usage Calculator

    Water Usage Calculator. The calculator is based on 50% relative humidity (for ambient conditions.) Please consult the factory if you need more detailed information. Operating Conditions. Tower Water Flow gpm m 3 /h Hot Water Temperature °F °C Cold Water Temperature ...

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  • Is there a "magic number" GPM flow rate per ton ...

     · Ok. thanks. The manual for the system says that flow rates above 3 gpm per ton can actually cause water velocities in the exchanger that can erode the walls of the exchanger and cause leaks! I didn't know if I should/could throttle down the flow using the .

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  • Flow Rate Calculator | Water Velocity Calculator

    This calculator may also be used to determine the appropriate pipe diameter required to achieve a desired velocity and flow rate. The following formula is used by this calculator to populate the value for the flow rate, pipe diameter or water velocity, whichever is unknown: V = × Q/D2. V = Water Velocity; Q = Flow Rate; D = Pipe Diameter.

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  • HVAC Calculations

    Chilled Water GPM: gpm per ton of cooling Hot Water GPM: Heating MBH divided by 10 For our estimations, we will use the midpoints of these values to result in .

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  • HVAC Rule of Thumb Calculator

    Figure 1: The three systems available in this calculator are the (1) split system, packaged A/C, (2) air cooled chilled water and (3) water cooled chilled water. UNITS There are two calculators, (1) one that focuses on United States Customary System Units (USCS) and another on (2) International System of Units (SI). However, this guide focuses

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  • Calculating Cooling Loads

    Example Water Chiller Cooling. Water flows with 1 gal/min and 10oF temperature difference. The ton of cooling load can be calculated as: h = 500 (1 US gal/min) (10 oF) = 5000 Btu/h. = (5000 Btu/h) / (12000 Btu/ton) = ton. Converting between heat and energy units. Converting kW/tonn to COP or EER.

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  • Engineering Formulas for Industry

    • US tons to KG x • Inches to cm x • Feet to m x .3048 • Miles to km x • Lbs to Ounces x 16 ABBREVIATIONS EQUIVALENTS, FORMULAS • PSI = Pounds Per Square Inch • GPM = Gallons Per Minute • EWT = Entering Water Temp • LWT = Leaving Water Temp • BTU = British Thermal Unit • BTU / HR = GPM x 500 x ΔT (water)

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  • Chilled Water Ton/Hours Calculation

     · 12,566* lbm/cu ft = 784,141 lbm. Assuming 10°F ΔT, that's 7,841,410 Btu in storage. 7,841,410 Btu / 12,000 Btu/h/ton = 653 tonhours. Calculation above does not take any losses into account, nor the fact that you can't get back of the energy you spent in cooling it, nor any allowance for decreasing effectiveness of heat exchangers as ...

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  • Determining Chiller Size (Because Size DOES Matter!)

     · Step Three: Calculate tons of cooling capacity Step Four: Oversize the chiller by 20% Most likely, your "Ideal Size in Tons" is not going to come out to an even 1 ton, 5 tons, 20 tons, etc. Rounding up will also help you be prepared for any unforeseen heat sources that are present in your setup.

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  • Chiller and Tower Sizing Formulas

    TOWER SYSTEM DESIGN FORMULAS. Cooling Tower = 3 Gallons per Minute per ton. 1 Tower Ton = 15,000 BTU/hr. Tower Ton = GPM x ΔT/30. CHILLER SYSTEM DESIGN. Chiller = Gallons per Minute / ton. 1 ChillerTon = 12,000 BTU / hr. Chiller Ton = GPM x ΔT / 24.

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  • Chiller Tonnage Sizing Capacity Calculator

    Calculate BTU/hr. BTU/hr. = Gallons per hr x x ?T°F. Calculate tons of cooling capacity. Tons = BTU/hr. ÷ 12,000. Oversize the chiller by 20%. Ideal Size in Tons = Tons x If you follow these steps, you should have the ideal chiller size for your needs.

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  • How do you convert tons per hour to gpm?

     · Which type of ton metric, short,or long? Since it looks like you are converting to gpm (grams/minute?) I'll use a metric ton. 1 metric ton (mT) = 1000 kg 1 (mT/hr) * (1000 kg/1mT) * (1000 grams/1 kg) * (1 hr/ 60 min) Doing the calculations you get: 1 m/hr = 16, grams/min

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  • GPM to LPM and Other Flow Rates

    To convert US Gallons Per Minute to other flow measurements, use the equations: Liters Per Minute = x GPM. Liters Per Second = .063083 x GPM. US Gallons Per Second = GPM / 60. Cubic Feet Per Minute (CFM) = . x GPM.

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