A process cooling system is the plant utility that takes heat out of production machinery and product at a set temperature and flow, then rejects it to the outdoors, and Paul Industries designs, supplies, fabricates, installs, starts up, services and maintains the complete system, from the heat load calculation through chillers, cooling towers, dry coolers, heat exchangers, tanks, pumps, piping, controls and water treatment. This page compares the options for plant and process engineers and links down to each piece of equipment. Paul carries the whole job in all 50 states, with same-day emergency response when a cooling failure stops production.
What is process cooling?
Process cooling is the removal of heat from a manufacturing step, a machine or a product so that the step runs at the temperature its quality, safety or equipment life requires. The heat comes from friction, chemical reaction, electrical losses, or from product that has to come down in temperature before the next step. The term covers duties that differ widely, from a 90 F oil cooler on a hydraulic press to a glycol jacket pulling a batch below freezing.
Whatever the duty, the job has the same three parts: collect the heat at the load, carry it in a fluid through pumps and pipe, and reject it to air or water, with or without a refrigeration machine in between. An industrial cooling system is the broader name for the same idea, and it can include building and equipment-room cooling on the same site.
What is a process cooling system?
It is the assembled plant that does those three jobs: heat rejection equipment, any chillers, one or more exchangers, tanks, pumps, distribution piping, controls and the treatment that keeps the water usable. A plastics shop might run tower water to its hydraulics and chilled water to its molds, while a dairy runs glycol to plate coolers and a sealed loop to its compressors.
Process cooling vs comfort cooling
The difference is the purpose: process cooling protects a product or machine, and comfort cooling keeps people comfortable, so the two are designed around different loads, temperatures and consequences of failure. A building plant follows the weather and the occupancy; a production plant follows the schedule, often around the clock in January. That year-round load changes the economics of free cooling and the way equipment is staged.
| Factor | Process duty | Comfort duty |
|---|---|---|
| What sets the load | Production rate, batch phase, machine count | Outdoor weather, occupancy, solar gain |
| Heat type | Nearly all sensible, taken directly from a fluid or surface | Sensible plus latent, since coils also dehumidify the air |
| Supply temperature | Whatever the process needs, from below freezing to 90 F or more | Rated at 44 F leaving water under AHRI 550/590 |
| Control band | Can be a degree or less at sensitive loads | Several degrees is usually acceptable |
| Winter operation | Full load is common, so cold-weather operation must be designed in | Small or absent in many climates |
| Cost of a failure | Scrapped batches, tripped machines, lost production | Discomfort; critical rooms excepted |
| Federal refrigerant leak threshold | 30 percent annual leak rate for industrial process refrigeration under the EPA AIM Act rule, on systems holding 15 pounds or more of covered refrigerant | 10 percent for comfort cooling under the same rule |
Process cooling applications by industry
Process cooling applications fall into a few patterns: steady machine heat, batch product cooling, and tight-tolerance equipment, and the pattern matters more than the industry name. The equipment maker’s data decides the final numbers.
| Application | Heat source and pattern | What the cooling has to do |
|---|---|---|
| Plastics molding and extrusion | Molds, barrels and hydraulic oil; steady with cycle spikes | Molds often start near 50 F chilled water, and trade guidance suggests raising toward 60 F where the part allows, since that cuts chiller cost. Hydraulic oil runs well on warmer tower or dry cooler water. Water stays above dew point so the mold does not sweat. |
| Food, beverage and dairy | Product plate coolers, fermenters, glycol jackets; batch and CIP swings | Pasteurized milk has to reach 45 F or below under the Pasteurized Milk Ordinance, so the plant needs capacity at the moment product arrives, with food-safe fluid selection near product. |
| Pharma and biotech | Jacketed vessels, reactors, condensers, sterilizer cooldown | Large swings between heating and cooling phases, with repeatable ramp rates and documented temperatures. |
| Lasers and analytical tools | Laser source and optics; small, steady, sensitive | Published chiller stability ranges from about plus or minus 0.1 C to plus or minus 1 C, and some sources call for deionized water with conductivity monitoring on the machine side. |
| Resistance and arc welding | Tips, transformers, cables; intermittent | Adequate flow at each station usually matters more than very cold water, and water held above dew point avoids condensation on electrical parts. |
| Data processing loads | Servers and coolant distribution units; high density, continuous | Warm supply is often acceptable: the ASHRAE W17 to W45 facility water classes are named for upper supply temperature in Celsius. |
| Compressors, machine tools, induction and metal finishing | Oil coolers, intercoolers, spindles, power supplies, baths | Mostly moderate temperature, where tower or closed loop water avoids paying for refrigeration. |
How to define the load before choosing a process cooling system
Define six numbers for every load before picking equipment: duty, supply temperature, flow, temperature rise, turndown and redundancy. Nameplate figures are a starting point at best, because connected machines rarely all peak together and a batch can draw far more than its average.
| Input | What to establish | Why it changes the design |
|---|---|---|
| Duty | Peak and average heat, in Btu per hour, kW or tons, per load | Sets machine count and tank volume; the gap between peak and average is what a tank can absorb |
| Supply temperature | The warmest water each load can truly accept, and the tolerance | Decides whether refrigeration is needed at all, and for how many hours of the year |
| Flow | Required gpm at each point of use, plus pressure drop | Sizes pumps and headers; small machine passages may need their own pressure |
| Delta T | Temperature rise across each load | A larger rise means less flow and smaller pipe, but warmer return at the load |
| Turndown | Smallest load the plant must hold steady | Drives machine staging, variable speed and buffer volume |
| Redundancy | What must keep running if one machine or pump is out | Sets N+1 machines, spare pumps, valving and any backup water source |
A short worked example shows how quickly these turn into hardware. A steady 1,000 kW of machine heat is about 284 tons. Water flow in gpm equals 24 times tons divided by the temperature rise in Fahrenheit, so a 10 F rise needs about 680 gpm, and tightening to a 6 F rise needs about 1,140 gpm, with pipe and pumps to suit.
Batch loads need one more step. Cooling 5,000 gallons of a water-like product from 180 F to 120 F in two hours removes about 2.5 million Btu, or an average of about 104 tons. The real peak sits above that average, because the driving temperature difference is largest at the start of the cool-down. When there are no records to work from, Paul logs flow and temperature at the actual machines through a production run before committing to a size. Chiller capacity and fluid corrections from there on are covered in the chiller sizing section of our process chillers page.
Stack the approach temperatures
Every heat transfer step gives away some temperature, and adding those steps up from the outdoor design condition tells you what supply temperature each option can deliver. Take a site with a 78 F design wet bulb: a tower selected for a 10 F approach, a common starting point, makes 88 F water on the design day. Put a plate exchanger with a 3 F approach after it and the machine loop sees about 91 F. On a 95 F day a dry cooler running 9 to 18 F above ambient, a range taken from manufacturer data, delivers roughly 104 to 113 F. If the process needs 85 F, those numbers already rule out two options for the summer peak, and the question becomes how many hours a trim chiller has to run.
Industrial process cooling systems compared
Seven arrangements are compared here, and the first filter is the supply temperature each one can hold on the design day. Many sites end up with two or three of them side by side, feeding different temperature groups from separate headers.
| Architecture | How it works | Supply temperature | Good fit | Watch for |
|---|---|---|---|---|
| Once-through | Well, river or city water passes through the load once and is discharged | Set by the source | Very small loads or emergency backup | Water and sewer charges, discharge permits, scaling |
| Open tower water | Tower water goes directly through the load | Wet bulb plus approach | Large exchangers with open, cleanable passages | Fouling, biological growth, debris in small passages |
| Closed tower loop | Plate exchanger or closed-circuit cooler separates tower water from machine water | Wet bulb plus two approaches | Sensitive machines at moderate temperature | Exchanger cleaning; slightly warmer water |
| Chilled water | Chillers cool a loop, with heat rejected by tower or air | About 40 F and up with plain water | Loads below what the weather can deliver | Compressor energy, condensation on cold surfaces |
| Glycol | Chillers cool an inhibited glycol mix | Below 40 F, or any loop exposed to freezing | Food and dairy, outdoor runs, low temperature | More flow, lower heat transfer, fluid testing |
| Dry cooler with trim chiller | Air-cooled coil handles what it can; a chiller finishes the rest in hot weather | Dry bulb plus approach, then trimmed to setpoint | Water-short sites, warm-water loads | Coil space, airflow clearance, glycol if freezing is possible |
| Free cooling | Tower or dry cooler carries the load through an exchanger when outdoor conditions allow, with compressors off or unloaded | Varies with the weather; chillers cover the rest | Plants with year-round load | Mode transitions, freeze protection, tower operation in winter |
Once-through deserves a caution beyond the water bill. Large withdrawals from surface water fall under Clean Water Act Section 316(b), which reaches existing facilities taking more than 2 million gallons a day with at least 25 percent of it used only for cooling, and a thermal discharge to surface water typically needs an NPDES permit. Smaller plants tend to retire these units over city water and sewer charges alone.
For the deeper comparisons, our plant utilities page weighs water against glycol as a loop fluid, our dry cooler guide covers air-side selection, and the closed loop cooling page explains sealed loops in full.
What is process cooling water?
Process cooling water is the water circulated through production equipment to carry away heat, kept separate from product and from the water used as an ingredient or for cleaning. It may be tower water, chilled water or a sealed machine loop. Quality requirements come from the smallest passage and the most sensitive metal in the circuit: a laser head and a large shell and tube cooler ask for very different water.
The treatment job splits by whether the water touches air. An open tower concentrates minerals through evaporation, scrubs dust from the air and offers warm wet surfaces for bacteria. A sealed loop has none of that, so it mainly needs corrosion inhibitor and clean fill, with biological testing still on the list.
| Treatment element | Open tower water | Sealed machine loop |
|---|---|---|
| Scale control | Blowdown by conductivity controller, plus inhibitor feed | Softened or low-hardness fill; little makeup |
| Corrosion control | Continuous inhibitor feed matched to metals in the circuit | Inhibitor charge through a pot feeder, tested on schedule |
| Biological control | Oxidizing or non-oxidizing biocide feed under a written water management program | Periodic culture testing; biocide when counts call for it |
| Solids | Side-stream filter or separator, basin cleaning | Startup flush, strainers, side-stream filter on sensitive circuits |
Well-built process cooling water treatment systems put these elements on a skid or panel with data logging, so a drift shows up before tubes foul. A plant with an open tower should run a water management program of the kind ASHRAE Standard 188 describes, with ASHRAE Guideline 12 as the practical companion, and state or local rules can make that mandatory. Paul installs and maintains the feed equipment and runs the program, and our cooling tower water treatment page gets into chemistry and limits.
Water use is worth estimating at this stage. Tower evaporation is about 1 percent of circulating flow for each 10 F of range, and blowdown equals evaporation divided by cycles of concentration minus one. For the 284-ton example at the standard 3 gpm per ton, 852 gpm evaporates about 8.5 gpm, and at four cycles it blows down about 2.8 gpm, for makeup of around 16,000 gallons a day at full load, before drift.
Process chilled water system design points
Process chilled water is water cooled by refrigeration for production loads, and it should be supplied at the warmest temperature the load accepts, since every degree raised saves compressor energy. A common rule of thumb puts the gain at about 1 to 2 percent per degree Fahrenheit.
- Setpoint groups. Sort loads into temperature groups before sizing anything. One load at 45 F should not force a hundred machines that accept 60 F onto colder water; a small separate machine serves it instead.
- Freeze margin. Chiller literature typically calls for glycol or an approved inhibitor once leaving temperature falls below about 40 F, with the exact limit varying by model. Low-temperature loops are the subject of our glycol cooling systems page.
- Buffer volume. A rule of thumb in chiller literature is at least 3 gallons per ton for comfort duty and 6 to 10 gallons per ton for process or close-control duty. The 284-ton example lands at about 1,700 to 2,840 gallons, often in a dedicated tank.
- Tank and pump arrangement. Many process plants split into a chiller side and a process side around a tank, so a machine shutting its valve never starves the evaporator of flow.
- Dew point. Cold headers and tooling sweat in humid plants, so insulation and vapor retarder go on the cold lines, and supply can reset upward against room dew point at sensitive tools.
Plant-level pumping schemes and pipe insulation are on our chilled water systems page, and how the machines themselves work is in our industrial process chillers guide.
Process cooling water system design
Good process cooling water system design starts at the point of use and works backward to the heat rejection equipment, so that each machine gets its flow and temperature with the largest users all open at once. The same steps apply where a plant calls the whole thing a process water cooling system.
- Pressure at the machine. Establish required differential pressure at the worst machine, since small mold passages and laser heads can need far more than a large exchanger, and a booster pump on one branch can avoid over-pressuring the rest.
- Headers. Size mains for growth and valve them in sections, so new machines tie in without shutting a line down. Design friction of 1 to 4 feet per 100 feet is a common range; our hydronic piping guide covers the method.
- Materials. Carbon steel, copper, stainless or plastic, chosen to suit the water, the machine metals and the plant’s cleanliness standard.
- Code basis. ASME B31.9 commonly governs building-service water piping and ASME B31.3 applies inside process units, with the owner’s specification naming which one rules on a given job.
Process cooling water system diagram, traced from the outdoors in
A typical two-loop plant is easiest to read by walking it from the heat sink toward the machines, and the same order works for checking a P&ID on a real project:
- Cooling tower basin with makeup valve, blowdown and treatment connections.
- Condenser water pumps, a strainer, and lines to the chiller condenser and the free cooling exchanger.
- Chiller evaporator on a primary pump, discharging into the cold side of the buffer tank.
- Plate exchanger piped so tower water can carry load whenever conditions allow.
- Process pumps drawing from the tank and feeding the supply header through a filter and a mixing or bypass valve.
- Machine branches, each with isolation valves, strainer, balancing valve and a flow switch or meter at sensitive tools.
- Return header carrying warm water back to the hot side of the tank, with air separator, expansion tank and makeup on any sealed section.
Paul draws this on the actual plant layout, and that drawing becomes the record for construction, commissioning and service. Our process engineering and design team produces the P&IDs and equipment schedules.
Process cooling equipment and what each piece does
Process cooling equipment does one of four jobs: rejects heat, moves heat between fluids, moves the fluid, or stores temperature. The table lists the industrial process cooling equipment on a typical job, and Paul supplies, sets and pipes all of it.
| Equipment | Role in the system | Specify by |
|---|---|---|
| Chiller | A process cooling chiller uses a refrigeration cycle to make water colder than the weather allows, and rejects that heat plus compressor work to air or tower water. | Capacity at your temperature and fluid, turndown, minimum flow |
| Cooling tower | A process cooling tower evaporates a small share of the water to reach close to wet bulb, using far less energy than refrigeration. | Flow, range, approach, design wet bulb, basin and winter provisions |
| Closed-circuit cooler | Keeps machine water sealed inside a coil while spray water and air do the evaporative work. | Flow, approach, spray water treatment |
| Dry cooler | Rejects heat to air through a finned coil and fans, with no evaporation. | Design dry bulb, approach, fluid, sound limits |
| Plate or shell and tube exchanger | A process cooling heat exchanger transfers heat between two fluids that must stay apart, such as tower water and machine water. | Duty, approach, pressure drop, material, cleanability |
| Machine-side cooler | In a plant, a process cooler is any exchanger or packaged unit taking heat straight from product or machine fluid, such as an oil cooler or product plate cooler. | Process fluid, viscosity, sanitary or industrial construction |
| Tanks | Add thermal mass and give pumps a steady source; split hot and cold in many process plants. | Volume from gallons per ton and loop time, insulation, baffling |
| Pumps | Move fluid through evaporators, condensers and machines, often skid-mounted with spares. | Flow, head, duty and standby, variable speed |
| Filters and strainers | Keep solids out of small passages and exchangers. | Finest machine passage, solids load, differential alarm |
Exchangers get their own attention in our plate heat exchanger and heat exchangers pages, and pump packages in our pump skids work.
Process cooling loop controls
A process cooling loop should be controlled on supply temperature at the header and differential pressure at the far machine, since those two values are what the production equipment actually feels.
- Temperature: a mixing or bypass valve near the header can hold a tighter band than chiller staging alone, while chillers manage the tank temperature behind it.
- Pressure and flow: variable speed process pumps hold differential at the far branch, with a minimum flow path so pumps and evaporators stay protected when machines close.
- Flow proof: a flow switch or meter at each sensitive tool can inhibit the tool or raise an alarm before damage happens.
- Tower and free cooling: fan speed, bypass valve and basin heat protect minimum condenser water temperature, and free cooling transitions run with deliberate deadband to avoid hunting.
- Trending: approach, delta T, runtime and makeup flow, logged to the plant network, reveal fouling and leaks long before a trip.
Paul writes the sequence of operation, wires the panels, loads and proves the logic, and hands over the trend setup alongside the drawings.
Industrial cooling system design and build: the sequence of work
A new plant or major expansion runs in a fixed order, from load study to witnessed load test, and each step produces a document the next one depends on.
| Step | What happens | What it produces |
|---|---|---|
| 1. Load study | Measure or calculate duty, flow and temperature at each load, including planned growth | Load table by machine and temperature group |
| 2. Basis of design | Agree site design conditions, redundancy, water availability, sound and code basis | Signed design basis |
| 3. Architecture selection | Stack approach temperatures, compare options on first cost, energy and water | Selected arrangement and annual hours by mode |
| 4. Detailed design | P&IDs, equipment selections, pipe sizing, sequence of operation, tie-in plan | Issued-for-construction package |
| 5. Procurement and fabrication | Equipment orders, shop-built skids and spools | Submittals and factory test records |
| 6. Piping and electrical | Set machinery, install pipe, tanks, instruments, power and panels; tie in during planned outages | Pressure test records, wire checks |
| 7. Flush and fill | Flush with machines bypassed, clean strainers, fill and charge treatment | Flush log and water test results |
| 8. Startup | Rotation, flow balance, refrigerant and oil checks, controls loop tuning | Startup reports and balance report |
| 9. Load commissioning | Run at real production load, including peak, low load and failover of each machine | Witnessed test results against the design basis |
| 10. Turnover | Train operators, deliver as-builts, set up the maintenance plan | Turnover package and maintenance schedule |
Refrigerating machinery rooms bring ASHRAE Standard 15 into the design, including detection and ventilation, so those items belong in step 4 rather than in a change order.
Process cooling troubleshooting
Recurring process cooling problems often trace to one of four things: fouling, air, flow, or a load that has grown past the original design. Measuring supply and return temperature, flow and pressure at the machine usually narrows the cause within one visit.
| Symptom | What it usually points to | First check |
|---|---|---|
| Supply temperature climbs on hot afternoons | Fouled condenser or coil, tower or dry cooler short on capacity, recirculating air | Tower approach, condenser approach, coil condition against baseline |
| One machine runs hot while others are fine | Clogged strainer or passage, unbalanced branch, scale in the tool | Differential pressure and flow at that branch |
| Temperature swings or chiller short cycling | Too little loop volume, oversized machine at low load, poor valve tuning | Loop time, compressor starts per hour, valve trend |
| Low delta T, with pumps at full speed | Excess flow through bypasses or open three-way valves, fouled load exchangers | Bypass positions, return temperature by branch |
| Chiller trips on low flow or low temperature | Machines closing against the plant, plugged evaporator strainer, air in the loop, low glycol | Flow switch, strainer, air vents, refractometer reading |
| Rapid scale or slime in passages | Treatment drift, low cycles control, open water reaching small passages | Conductivity and biocide logs, coupon results |
| Makeup rises on a sealed loop | Leak, failed exchanger, relief valve weeping | Makeup meter trend, inhibitor dilution, relief discharge |
When the fault traces to the machine itself, our chiller repair crews take it from there, and routine upkeep runs under a preventive maintenance plan.
Process cooling and heating: putting rejected heat to work
A plant that needs process cooling and heating at the same time can often use rejected heat instead of paying for it twice. A desuperheater or heat recovery chiller can preheat boiler makeup, CIP water or a hot process stream, and warm return water can serve loads that only need a modest lift, provided the heating and cooling loads overlap in time. Free cooling and raised setpoints come next on the list, and our page on reducing plant energy use covers where those measures pay off.
Process cooling solutions from Paul Industries
Paul brings process cooling solutions as a single scope, so one team answers for the load study, the equipment, the pipe and the numbers at the machine. In practice that means Paul calculates the load, engineers the arrangement, supplies and sets the chillers, towers, dry coolers, exchangers and tanks, fabricates skids and spools, installs and tests the piping, wires and programs the controls, flushes and treats the water, starts up and proves the plant under production load, then keeps it running with scheduled service, repairs, replacements and same-day emergency response in all 50 states. Send your load list or machine schedule through our request a quote form and Paul will come back with an approach and next steps.
Standards referenced: AHRI 550/590 · ASME B31.9 · ASME B31.3 · ASHRAE Standard 15 · ASHRAE Standard 188 · ASHRAE Guideline 12 · ASHRAE TC 9.9 Thermal Guidelines for Data Processing Environments · Clean Water Act Section 316(b) · EPA AIM Act Emissions Reduction and Reclamation Rule · Pasteurized Milk Ordinance
Frequently asked questions
What supply temperature should process cooling water run at?
Use the warmest temperature the most demanding load in that group can truly accept, confirmed against the machine maker's data rather than habit. Groups often settle around three bands: below 40 F on glycol, the 40s to 60s F on chilled water, and the 80s to 90s F on tower or sealed loop water in summer.
How much flow does a process load need per ton?
Divide 24 by the temperature rise in Fahrenheit: a 10 F rise takes 2.4 gpm per ton, a 6 F rise takes 4 gpm per ton and a 20 F rise takes 1.2 gpm per ton. Machines often publish their own minimum, and that minimum wins whenever it is higher than the calculated figure.
Is a cooling tower enough, or is a chiller also needed?
A tower alone is enough when every load accepts water several degrees above the design wet bulb, which suits many oil coolers, compressors and large exchangers. Add a chiller only for the loads needing colder water, and put those on their own header so the rest keep the cheaper water.
What is the difference between process water and process cooling water?
Process water enters or touches the product or is used for cleaning, so its quality is judged by product requirements. Cooling water only carries heat and stays behind a wall, in a jacket, coil or plate, so its quality is judged by what protects the equipment.
Can one cooling plant serve loads at several different temperatures?
Yes, by running the plant at the coldest temperature any large group needs and blending up at mixing stations or separate headers for warmer groups. When only a small load needs much colder water, a small dedicated machine usually costs less to run than dropping the whole plant to that temperature.
How do you size a buffer tank for production cooling?
Start with the rule of thumb of 6 to 10 gallons per ton for close-control duty, then check it against the chiller maker's minimum loop time and the size of the largest batch swing. A batch peak can justify more volume, since the tank can carry part of that peak while the chillers run steadily.
What redundancy does a production cooling plant need?
Start from what a one-machine outage would cost in product, then decide. N+1 chillers, pumps and tower cells with isolating valves suits most continuous plants, while a batch plant might accept a temporary connection point instead of a permanent spare machine, as long as it can be put to use quickly.
Should process loads share a chiller plant with the building HVAC?
They can share if the setpoints are close and the plant can run through winter at low load. Separating them, or at least splitting the headers, stops the offices from dictating temperature and stops a comfort shutdown from affecting production, and it often makes free cooling easier to apply to the year-round load.
Why replace once-through cooling on old equipment?
Once-through water is paid for at both ends, through supply and sewer or discharge charges, and it can bring scale and permit questions along with it. A small recirculating loop keeps the same machines running on treated water, and the conversion is typically a modest job of a loop, a tank, a pump and heat rejection equipment.
How is the real heat load measured on an existing plant?
Clamp-on ultrasonic flow meters and temperature loggers on supply and return give duty at each branch without shutting anything down. Logging through a full production cycle, including startup and peak product runs, shows the true peak and how much diversity the plant actually has compared with nameplates.
When does a dry cooler make more sense than a cooling tower for production loads?
A dry cooler makes sense where water is costly or restricted, where a load tolerates warm supply, or where the owner wants no tower treatment program. The trade is a warmer supply temperature on hot days and a larger footprint, which is why many sites pair it with a small trim chiller.
What does approach temperature mean in cooling equipment?
Approach is how close a device gets its leaving fluid to its heat sink temperature, such as tower water above wet bulb or a plate exchanger's leaving water above the entering cold side. A smaller approach gives colder water but needs a larger, costlier device, so it deserves a deliberate selection.
Why put a plate exchanger between tower water and machines?
It keeps dirty, oxygenated tower water away from small machine passages, so the machine side can stay clean, inhibited and sealed. Fouling then concentrates in one exchanger that can be opened and cleaned on schedule, rather than spreading through dozens of machines and branches.
What filtration does a production cooling loop need?
Match filtration to the finest passage in the circuit, using the machine maker's particle size where one is published. Strainers protect pumps and exchangers on every loop, tower circuits usually add a side-stream filter or separator, and a machine with very fine channels may need its own point-of-use filter with a differential gauge.
Can cooling capacity be added while production keeps running?
Yes, with planning: hot taps or line stops, pre-fabricated spools, temporary chillers and short planned tie-in windows let most expansions proceed without a plant shutdown. Paul lays out a tie-in plan by branch, so production knows exactly what stays live and when any brief isolation takes place.
What keeps a plant running if its cooling fails?
A combination of a spare machine, a tank that buys minutes, an emergency city water connection where permitted, and a pre-installed connection for a rental chiller. Writing that plan before an outage turns a shutdown into a controlled switchover, and Paul's same-day emergency response covers the repair behind it.
What should a water test on a production cooling loop check?
Tower water needs conductivity, pH, inhibitor level, oxidizer residual and a biological count, with corrosion coupons to show the trend over time. Sealed loops need inhibitor level, pH, conductivity and iron or copper, since rising metals point to corrosion well before a leak or a plugged passage shows up.
Which decisions move the installed price of a plant cooling project most?
The largest swings come from redundancy level, supply temperature, whether a building or pad exists, pipe distances and tie-in constraints during production. Choosing warmer water where a load allows and grouping loads by temperature frequently reduce both equipment size and long-term power use.
What should be sent with a request for a cooling plant quote?
Send a machine list with duty, flow, temperature and pressure drop, a site plan, utility availability, any records of current problems, and a target date. If the data is incomplete, a production schedule and photographs of existing equipment are enough for Paul to set up a load study.
Who can design and install a complete cooling plant from one contract?
Paul Industries takes the whole scope under one contract: engineering, equipment supply, fabrication, piping, electrical and controls, water treatment, commissioning and long-term service. A single responsible team means the performance test at the machine has one owner, from the first load calculation forward.
Related: Process Chiller Installation & Service · Industrial Process Chillers: How They Work & How to Choose · Chilled Water Systems · Glycol Cooling Systems · Plant Utilities: Steam, Heating, Chilled Water & Ice Builders · Dry Cooler · Request a quote