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**CALCULATE Chiller cooling capacity - Cooling Load kW BTU Refrigeration Ton**

Make Shortcut to Home Screen?Remember Me? Page 1 of 2 1 2 Last Jump to page: Results 1 to 13 of Thread: Calculate Tonnage of chilled water made. Thread Tools Show Printable Version. Calculate Tonnage of chilled water made I want to use my BAS to calculate Tonnage of chilled water made, I have a primary loop with fixed speed pump that goes through the chiller and a secondary loop with VFD controlled by DP.

Could I just measure the delta T on the primary loop and use the flow I get from the balancer to use as a constant GPM to do this calculation? How accurate would it be? Thanks, EX. The cheapest way will require that you can get some info from whoever made the chiller.

Most newer chillers have some pretty good sensors on them.

So you should know supply and return temperatures. Now you need a way to calulate flow. Often the chiller will have a DP sensor to prove minimum flow rates. You will need to know what to multiply the pressure drop across the evaporator by in order to calculate flow.

After all the evap is a "known orifice". It wouldn't be very accurate, you'd have to know the flow percentage of the primary versus the secondary. As a chiller mechanic for 26 years turned controls tech, I wouldn't rely on the DP sensors for the barrel either, the can drift and also the screens can stop up.

If you just want an approximation you could use the percent RLA of the machine and the tonnage. Originally Posted by Shovelhead.

Escuela biblica catolicaI agree with the above. We field calculate tonnage produced daily at the chiller to make sure the chiller is performing as should. The other way is free. The guy might even learn something to boot Easy enough to enter the calculation into the BAS and spit it out on any graphic page you like.

I also look at evap DP as part of the decision on when to stage on a chiller. No point in trying if you don't have the flow. Only going to make you lose the rest of the plant when they all go down on low flow.

You can get a cheap DP Originally Posted by Me. Originally Posted by KnewYork. Percent RLA of the machine times the tonnage won't tell you much of anything because the electrical load of a machine and the refrigeration output of said machine are not linear. In fact, you need to get up near the upper range of the machine to get those two numbers to be close to each other.

Originally Posted by shovelhead. Anyway I would be more interested in the tonnage to the building, secondary loop, not what the chiller is doing. If there's a BTU meter of low meter on the secondary loop the chiller designs are Irrelevant.Log Splitter speed the cycle time to split a log and return to the start position is determined by the volume of fluid flow, or gallons per minute GPM. To increase the speed of a log splitters operation, a bigger hydraulic fluid pump is required to pump more volume of hydraulic fluid.

However, upgrading a hydraulic pump may also require you to increase the size of your hydraulic tank to prevent overheating the hydraulic fluid.

Xvideo nadi ke bichIn turn, you may need to increase the size of your hydraulic hoses to accommodate the increased flow of hydraulic fluid. Plus, you may be required to increase the size of your power plant engine to drive the bigger pump. Oh My! If your desire is simply to just increase the return stroke speed, you can just replace the hydraulic cylinder with one that has a larger push rod diameter. This decreases the volume of fluid between the rod and the bore so that less fluid is required to retract the cylinder.

This can effectively speed up the return stroke of you wood splitter. Two stage hydraulic pumps operate in 2 modes. When there is no load on the return strokeit pumps a larger volume at low pressure and moves the ram back quickly. Optionally, there is also a 3 way valve solution that may be a better fit. If you've ever wondered how a 2 stage pumps work, here's what's inside!

There are generally 2 gear pumps running in parallel. This disables one of the pumps. If the valve is stuck or leaking, you effectively have a single-stage pump. This will cause the splitter operation to be S. You can calculate the cycle time of your wood splitter to determine how long it takes to extend for splitting the log and then return to its starting position.

Drama china 2017Do this with the calculator below by entering the gallons per minute rating on your hydraulic pump, and the bore, stroke, and rod size of your hydraulic cylinder. Another way to speed up your log splitter is by applying a little-known trick that involves adding a 3-way valve i. This action will only speed up the forward stroke, as it reduces the splitting force proportionately. The extra valve has a "common" port that "depending on which way the control leaver is set", connects to one or the other of the ports.

This common port is what connects to the ROD end of the cylinder. One of the remaining valve ports is connected to the line that previously went directly to the rod end of the hydraulic cylinder. The other port is spliced into the line feeding the BASE end of the hydraulic cylinder with a tee fitting.Example: What is the area of a 6" diameter cylinder? Example: What is the rod end area of a 6" diameter cylinder which has a 3" diameter rod? Example: What is the pull force of a 6" diameter cylinder with a 3" diameter rod operating at 2, PSI?

Example: What pressure is needed to develop 50, pounds of push force from a 6" diameter cylinder? Example: What pressure is needed to develop 50, pounds of pull force from a 6" diameter cylinder which has a 3" diameter rod? Example: How fast will a 6" diameter cylinder with a 3" diameter rod extend with 15 gpm input? Example: How many GPM are needed to extend a 6" diameter cylinder 8 inches in 10 seconds? Example: If the cylinder has a 3" diameter rod, how many gpm is needed to retract 8 inches in 10 seconds?

Example: How many GPM come out the blind end of a 6" diameter cylinder with a 3" diameter rod when there is 15 gallons per minute put in the rod end? Engineering Toolbox. Hydraulic Cylinder Calculations. Blind End Area sq in Pressure Needed Example: What pressure is needed to develop 50, pounds of push force from a 6" diameter cylinder?

### Convert liters per minute to US gallons per minute

Rod End Area sq in Pressure Needed Example: What pressure is needed to develop 50, pounds of pull force from a 6" diameter cylinder which has a 3" diameter rod?

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## Conversion Gallon per minute(US) to Gallon per hour(US)

Angle Converter radian, degree, arcminute,arcsecond, gradian, gon, cycle. Area Converter acre, hectare, square centimeter,square foot, square inch, square meter, square kilometer File Size Converter byte, kilobyte, megabyte, gigabyte, terabyte, petabyte, bit, kilobit, megabit, gigabit Energy Converter btu, watt per hour, kilowatt per hour,calorie, kilocalorie, joule, kilojoule, erg.

Flow Converter liter per second, liter per minute, liter per hour, liter per day, cubic meter per second Length Converter foot, millimeter, centimeter, meter, kilometer, yard, mile, nautical mile, inch.

Legacy death notices nzMass - Weight Converter kilogram, pound, ounce, gram, milligram, tonne, short ton, long ton, carat, stone. Power Converter kilowatt, watt, volt-ampere, btu per hour, btu per minute, horsepower, ton.

Pressure Converter atmosphere, bar, millibar, pascal, kilopascal, pound per square inch, pound per square foot Speed Converter kilometer per hour, mile per hour, meter per secon, feet per second, knot. Time Converter century, decade, year, month, week, day, hour, minute, second, millisecond.

Torque Converter newton meter, newton centimeter, dyne meter, dyne centimeter, kilogram meter, gram meter Volume Converter liter, milliter, cubic yard, cubic foot, cubic meter, cubic centimeter, barrel, tablespoon, teaspoon Age Calculator How old am i? Calculate your age. Color Converter rgb, hex, cmyk. Date Difference Calculator Calculate dates difference.Calculating the tons for a cooling tower requires you to understand some basic information about it works.

This amount of heat could theoretically melt 1 ton of ice in 24 hours. A cooling tower's job is to reduce the temperature of water through refrigeration. It is used in manufacturing, electrical-power generation and massive air-conditioning systems. Determine the water flow rate though the cooling tower. This number should be expressed as gallons per minute and is shown as letter q in the formula. Determine the temperature difference between the water entering the cooling tower and the water exiting the cooling tower.

This should be expressed in Fahrenheit and is denoted as dt in the formula. The result is the tons of capacity of the cooling tower. Bob White began his writing career in Working in sales, he was a technical writer tasked with responding to requests for proposal. White has a Bachelor of Arts in computer science and a diploma in home inspection. He has also worked in construction, landscaping and the pool industry for more than 15 years. About the Author. Copyright Leaf Group Ltd.JavaScript seems to be disabled in your browser.

For the best experience on our site, be sure to turn on Javascript in your browser. Stationary Air Cooled Chillers. Portable Air Cooled Chillers. Central Air Cooled Chillers. Portable Water Cooled Chillers. Central Water Cooled Chillers. Medical Chillers. Food Processing Chillers. Properly sizing a chiller for your application can depend on a large number of variables.

We have an experienced team waiting to assist you with your specific requirements. Please feel free to call or email any specific needs and we will promptly reply to your request.

Plug in the following three inputs into the calculator below to get the estimated chiller size you need for your application. Unsure what size chiller you need? Cold Shot Chillers is here to help. Toggle Nav. Stationary Air Cooled Chiller Specifications. Pricing for Stationary Chillers. Reverse Flow Air Cooled Chillers. Continuous Flow Air Cooled Chillers.

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