You see that screw type compressor chillers are different because of their rotary screw design. These chillers use helical screws that fit together to compress fluid. This design helps the chiller run quietly and stay small in size. When there are two compressors, they share the work. This makes the chiller use less energy and work better. You get high efficiency and fewer moving parts. This means there is less damage and it is easier to fix. There are no suction or discharge valves, so there is less pressure drop. This makes the chiller work better in factories.

Key Takeaways

• Screw type compressor chillers work well in big spaces. They are good for factories and large buildings.

• Scroll chillers are quiet and easy to use. They fit small offices and shops with less cooling needed.

• Centrifugal chillers are best for very big buildings. They give lots of cooling and save energy. But they need more care and fixing.

• Reciprocating chillers are good for small jobs. They have more moving parts, so they need more repairs.

• When picking a chiller, think about your building size. Also think about how much cooling you need. Remember to check energy and repair costs over time.

Compressor Types

When you look at HVAC systems, you see different compressor types. The compressor is very important. It pushes refrigerant gas together. This makes the gas hotter and increases its pressure. This step helps cool buildings and factories.

Screw Type Compressor Chiller

Screw type compressor chillers have two helical screws. The screws turn together. They work quietly and smoothly. There are not many moving parts. This design makes it easy to control how much cooling you need. You often find screw type compressor chillers in big buildings. They also work in factories. These chillers handle heavy jobs. They can run for a long time without problems.

Tip: Screw type compressor chillers are good for cooling large spaces.

Scroll Chiller

Scroll chillers use scroll-shaped parts. These parts move in circles to push the refrigerant. Scroll chillers are small and quiet. They fit well in offices or shops. These chillers do not cool very large spaces. But they work well for small needs.

• Scroll chillers are simple to put in.

• They do not cost much to keep working.

Centrifugal Chiller

Centrifugal chillers use a spinning impeller. The impeller moves refrigerant very fast. This compressor works best in big buildings. Centrifugal chillers can cool large spaces. They are very efficient. You see them in hospitals and malls. These chillers need regular check-ups. They work very well.

Note: Centrifugal chillers often use water to cool. Water helps remove heat quickly.

Reciprocating Chiller

Reciprocating chillers use pistons. The pistons move up and down. They push the refrigerant together. You find these chillers in older systems. They are also in small buildings. Reciprocating chillers have more moving parts. You may need to fix them more often. They are not as efficient as other chillers. But they work for small jobs.

You can pick air-cooled or water-cooled chillers. Air-cooled chillers use air to take away heat. Water-cooled chillers use water instead. Each compressor type is good for different needs. You should choose the right chiller for your building size and cooling needs.

Screw Type Compressor Chiller vs Scroll Chiller

Design

Screw type compressor chillers and scroll chillers work in different ways. The screw type compressor chiller has two helical rotors. These rotors spin together and squeeze the refrigerant gas. The scroll chiller uses two spiral scrolls. One scroll stays still. The other scroll moves around it. This traps and compresses the gas in small spaces.

Scroll compressors squeeze the gas as the scrolls move. Screw compressors finish squeezing with each full turn of the rotors. Screw type compressor chillers run smoothly. They are easy to control. This makes them good for places that need strong cooling.

Efficiency

Screw type compressor chillers use energy very well. They work best in big buildings or factories. You get high efficiency when you need lots of cooling. Scroll chillers are okay for smaller spaces. They do not use energy as well as screw chillers.

If you want to save money on energy in a big building, pick a screw type compressor chiller. For small jobs, a scroll chiller works fine.

Noise

Noise is important in your building. Screw type compressor chillers make more noise than scroll chillers. Small screw chillers run at about 70 to 80 dB. Large screw chillers can reach 85 to 95 dB or more. Scroll chillers have about the same sound level. Their noise is softer and blends in better.

If you need a quiet place, choose a scroll chiller. Screw type compressor chillers are better where noise does not matter.

Reliability

You want your chiller to last a long time. Screw type compressor chillers have fewer moving parts than some other chillers. They are more complex than scroll chillers. Screw compressors handle heavy work and run for many hours. Scroll chillers have a simple design. They need less fixing. They work well for light and medium jobs.

Tip: Screw type compressor chillers are strong for tough jobs and long hours. Scroll chillers are easy to keep working for smaller jobs.

Cost

Cost is always something to think about. You need to look at the price to buy and keep the chiller working. For medium buildings, screw type compressor chillers cost less to buy than scroll chillers. Screw chillers need more fixing because they are more complex.

When you think about total cost, look at energy use and fixing costs too.

Applications

Pick your chiller based on what you need to cool. Scroll chillers are best for places with medium cooling needs. You see them in offices, data centers, and small factories. Screw type compressor chillers are better for big jobs. You find them in large buildings, factories, and district cooling systems.

• Scroll chillers work well for:

  • Offices

  • Data centers

  • Small factories

• Screw chillers are best for:

  • Large office buildings

  • Factories

  • District cooling

Screw type compressor chillers give you more power and control for big jobs. Scroll chillers are simple and cheaper for smaller spaces.

Screw Chiller vs Centrifugal Chiller

Structure

Screw chillers and centrifugal chillers are very different. Screw chillers have two helical rotors that turn slowly. This makes the machine simple. It is easy to fix. Centrifugal chillers use a fast-spinning impeller. The impeller needs more parts to work well. You find more gears and complex systems inside.

A screw chiller is simpler. You can fix it faster. It keeps running even if one part stops. Centrifugal chillers need more care. You must shut down for repairs.

Capacity

Think about how much cooling you need. Screw chillers work best for medium and large spaces. They handle 30 to 800 tons of refrigeration. Centrifugal chillers cool very big buildings. Their capacity starts at 200 tons and goes much higher.

Hospitals or malls may need a centrifugal chiller. Factories or large offices can use a screw chiller.

Efficiency

You want your chiller to save energy and money. Screw chillers give good energy efficiency for most jobs. Centrifugal chillers, especially magnetic bearing types, are even better in huge buildings. Some magnetic bearing centrifugal chillers have COP values up to 10. In shopping malls, these chillers save almost 10% more energy than older ones.

Centrifugal chillers are best for very big buildings. Screw chillers work well for most factories and offices. Always check the total cost before you choose.

Maintenance

You want a chiller that is easy to keep working. Screw chillers have fewer moving parts. You can fix one compressor while others keep running. This saves time and keeps your building cool. Centrifugal chillers need more care. You must shut down the whole system for repairs. Their fast parts wear out quicker.

Tip: Pick a screw chiller if you want easy maintenance and less downtime.

Application Suitability

Match your chiller to your building. Screw chillers fit factories and large offices. They work well where cooling needs stay steady. Centrifugal chillers are best for hospitals, malls, and district cooling systems. These chillers are used where you need very high capacity and top energy efficiency.

• Screw chillers resist rust better. They use positive pressure systems to keep air and water out.

• Centrifugal chillers often use negative pressure systems. These can let air in and cause rust or lower performance.

If you want a reliable chiller for a big factory, pick a screw chiller. For huge buildings or hospitals, a centrifugal chiller gives more cooling and better energy efficiency.

Screw Chiller vs Reciprocating Chiller

Design

Screw chillers and reciprocating chillers work in different ways. A screw chiller has two screws that spin together. This spinning squeezes the refrigerant. A reciprocating chiller uses pistons that move up and down. The pistons push the refrigerant into tight spaces. Screw chillers have fewer moving parts. Reciprocating chillers have more parts that can break.

Performance

You want your chiller to save energy and work well. Screw chillers use less electricity in big buildings. Reciprocating chillers are better for small spaces. Screw chillers have higher COP values. This means they cool with less power.

Pick a screw chiller if you want it to last longer and use less energy.

Noise

Noise matters in your building. Screw chillers are quieter because the screws move smoothly. Reciprocating chillers make more noise. The pistons and other parts cause extra sound. Choose a screw chiller if you need quiet.

Tip: Screw chillers are good for quiet places like offices or schools.

Reliability

You want your chiller to work for many years. Screw chillers last longer because they have fewer parts to break. Reciprocating chillers need more repairs. Pistons, rings, and valves wear out faster.

You spend less time fixing screw chillers. This means your building has less downtime.

Cost

Think about how much your chiller will cost over time. Screw chillers cost more to buy and install. Reciprocating chillers are cheaper at first. You may pay more for repairs and energy with reciprocating chillers. Screw chillers save money because they last longer and use less energy.

Applications

Pick your chiller based on your building size and needs. Screw chillers are best for large factories and malls. They work well where cooling needs stay steady. Reciprocating chillers fit small offices and shops. They are good when you need precise control.

You can use a scroll chiller for small spaces. Centrifugal chillers work for very large buildings. Always check your cooling needs before you choose.

Choosing the Right Chiller

Capacity Needs

You need to pick a chiller that fits your building size. Big buildings often use screw chillers because they handle large loads. The table below shows how much cooling each type can give:

Small offices can use scroll chillers or reciprocating chillers. Hospitals and malls need centrifugal chillers or big screw chillers.

Reliability

You want your chiller to work well and not break often. Screw chillers last a long time. They have fewer parts that can break. You do not need to fix them much. Centrifugal chillers work well but need more fixing because they are more complex. Scroll chillers are simple and good for light jobs. Reciprocating chillers need more repairs as they get older.

Tip: Screw chillers are best for big buildings if you want them to last.

Cost

Think about how much you pay at first and over time. Water cooled chillers cost more to buy because they need pumps and heat exchangers. Air-cooled chillers are cheaper to install but use more power when it is hot. The table below shows what affects the cost:

Look at how much energy your chiller uses and what you will spend over its life.

Maintenance

Taking care of your chiller helps it work well. For screw chillers, you should:

1. Change shaft seals if they leak.

2. Listen for strange sounds when not running full.

3. Check the pressure and temperature.

4. Test the oil to see if it is good.

5. Change the oil after many hours.

• Clean tubes to help heat move better.

• Treat water so pressure does not get too high.

• Check and change compressor oil.

• Purge machines with low pressure.

• Watch water temperature and flow.

Scroll and reciprocating chillers are easier to take care of, but you still need to check them often.

Application Suitability

Pick a chiller that matches your building and needs.

1. Look at your system size and space.

2. See how your cooling needs change during the day.

3. Think about saving energy and helping the environment.

4. Check if you can do maintenance and what it costs.

5. Think about how much you pay now and later.

Factories do best with screw chillers or water cooled chillers. Small shops can use scroll or reciprocating chillers. Centrifugal chillers are good for hospitals and malls.

You can easily see how screw type compressor chillers are different from other chillers. Screw chillers can cool bigger spaces and are very reliable. They cost more money and need more care.

Here are some things to think about when picking a chiller:

• Find out how much cooling your building needs at its busiest time.

• Make sure you have enough room to put in and fix the chiller.

• Think about if your building might get bigger or need backup cooling.

Screw chillers are best for big buildings and factories. Scroll and reciprocating chillers are good for small places. Centrifugal chillers work well where you need steady and strong cooling. Do not choose a chiller that is too small or forget about future costs.

Which Is Better for Your Business Air Cooled Screw Chiller or Water Cooled Chiller

You should pick a chiller that fits your business. Air Cooled Screw Chiller is good for small areas. It does not need much care. Water-cooled units work best in big places. They are more efficient.

• Water-cooled chillers have about 60% of the market in 2024. They are used mostly for large businesses.

• Air-cooled models are growing quickly because they are easy to set up.

Cost of Air Cooled Screw Chiller vs Water Cooled Chiller

Upfront Costs

Air cooled screw chillers usually cost less at first. They have a simple design. They do not need cooling towers or extra parts. This makes them cheaper to buy. Here is a table that shows how much air cooled chillers can cost:

Many things change the price of each chiller. You should think about the cooling method, compressor type, and control system. The next table explains these things:

Operating Expenses

Water cooled chillers use less electricity. They work better and save energy. Air cooled chillers use more power, especially when it is hot. If you want to save money every month, water cooled chillers can help. But you also need to pay for water and chemicals for water cooled chillers.

Maintenance Costs

Air cooled chillers are easy to take care of. You just need to clean the coils. You do not need to treat water. Water cooled chillers need more work. You must treat the water and clean the tubes. You also need to check the parts inside. Air cooled chillers are easier to keep up over ten years. Water cooled chillers last longer, sometimes up to 30 years. You might pay more to keep water cooled chillers running, but they can work for a long time.

Tip: If you want less work and lower costs, pick an air cooled screw chiller for your business.

Comparison of Air-Cooled and Water-Cooled Chillers Efficiency

Performance in Different Climates

You should think about your local weather before choosing a chiller. Each chiller type works differently in hot or cold places. Air-cooled chillers do not work as well during heatwaves. When it gets hot outside, they must work harder. Their performance goes down. In cold places, air-cooled chillers also lose some efficiency. They do not work as well at part load.

Water-cooled chillers do better in hot weather. They keep working well even when it is very warm. These chillers can run at lower condensing pressures. This helps them stay efficient. In cold places, water-cooled chillers still work well. They often use less energy than air-cooled chillers.

Energy Efficiency

You want your chiller to use less energy. Water-cooled chillers are usually more efficient than air-cooled chillers. The coefficient of performance (COP) shows how well a chiller uses energy. A higher COP means the chiller is more efficient.

You can also check the energy efficiency ratio (EER) to compare chillers. Water-cooled chillers have an EER of 3.5. Air-cooled chillers have an EER of 2.8. This means water-cooled chillers save more energy over time.

If you compare air-cooled and water-cooled chillers, you see water-cooled chillers are more efficient. They work better in most climates. Air-cooled chillers are best in cooler places or where water is hard to find.

Space and Installation for Air-Cooled Chiller and Water-Cooled Chiller

Space Requirements

Think about space before picking a chiller. Air-cooled chillers need more room. They use air to get rid of heat. You must leave open space around them. This helps air move easily. These chillers are often outside. Sometimes, they go on rooftops. Water-cooled chillers use less space inside. But you need extra room for cooling towers. You also need space for pipes.

Tip: If you do not have much outdoor space, water-cooled chillers can fit inside your building.

Installation Complexity

Check how hard it is to set up each chiller. Air-cooled chillers are easier to install. You can put them outside. You do not need extra parts. Water-cooled chillers are harder to set up. You must add cooling towers. You need pumps and pipes too. This takes more time and work.

Some problems can happen:

• Air-cooled chillers are big and heavy. Putting them on a roof can be hard.

• Water-cooled chillers need more pipes and cooling towers. This costs more money and time.

If you want a fast and easy setup, pick an air-cooled chiller. If you want better efficiency and have more time, water-cooled chillers may be best.

Environmental and Noise Impact

Water Usage and Sustainability

When you pick a chiller, think about water use. Water-cooled chillers need cooling towers. These towers use a lot of water. Water is lost by evaporation, drift, and blowdown. If you raise the cycles of concentration, you can save water. This can lower water use by up to 20%. Air-cooled chillers do not use water for cooling. They use air instead, so water use is low.

• Water-cooled chillers need lots of makeup water each year.

• More cycles of concentration in towers help save water.

• Air-cooled chillers do not need water for cooling.

Water-cooled chillers can affect the environment a lot. They use much water, which is a problem where water is rare. If you do not treat the water before letting it go, it can hurt plants and animals nearby. These chillers also use power, which can cause more greenhouse gases.

Noise Levels

Noise is important when you put in a chiller, especially in cities. Air-cooled chillers make noise from fans, pumps, and compressors. Water-cooled chillers are quieter. Most water-cooled chillers run at 55 to 75 decibels. A well-kept chiller in a medium building might be 60 decibels. This is as quiet as gentle rain.

• Air-cooled chillers make noise from fans and moving parts.

• Water-cooled chillers are quieter and good for quiet places.

Local rules often limit how loud chillers can be. The World Health Organization says loud noise can harm your health. If your chiller is too loud, you could break city rules. This can upset neighbors and make work less comfortable for workers.

Maintenance Needs for Air Cooled Screw Chiller and Water-Cooled Chiller

Routine Maintenance

You need to take care of your chiller often. Both air-cooled and water-cooled chillers need regular checks. You should look at refrigerant levels a lot. If you find leaks, fix them fast. Clean the evaporator coils every six months. This helps the chiller work well. Test the electrical parts and change any broken ones. Lubricate moving parts so they last longer. For water-cooled chillers, watch water flow and pressure. Check oil quality and levels to stop breakdowns.

Air-cooled chillers need more care. Water-cooled chillers need less checking, but you must treat water and clean cooling towers. How often you do maintenance depends on how much you use the chiller, its age, and where it is.

Long-Term Reliability

You want your chiller to last a long time. Air-cooled chillers work for 15 to 20 years. Water-cooled chillers last 20 to 30 years. Problems happen from dirt, clogs, electrical issues, or not doing maintenance. If you keep up with care, you can stop most problems. Water-cooled chillers need extra water treatment and tower cleaning. Air-cooled chillers need coil cleaning and electrical checks more often.

• Main reasons chillers break:

  • Dirt buildup

  • Clogs

  • Electrical problems

  • Skipping maintenance

Tip: Doing regular maintenance saves money and keeps your chiller working well.

Choosing the Right Chiller for Your Business

Typical Applications

You want to find the best chiller for your business. The right chiller depends on your building size. It also depends on how much cooling you need and where you are. Each chiller type works best in different places.

• If your business is small or you do not have much space, an air cooled screw chiller is a good choice. You can use it in offices or small factories. It is also good if water is hard to get. Air-cooled chillers work well in places with mild weather.

• If you run a big place like a hospital or mall, a water cooled chiller is better. Water-cooled chillers give more cooling power. They work well in hot weather and can cool large buildings.

• Air-cooled chillers are easy to put in. You can place them outside or on the roof. They do not need extra things like cooling towers.

• Water-cooled chillers need more room inside. You need space for cooling towers and pumps. These chillers are quieter and save more energy. But you must plan for water use.

Here is a table to help you pick the right chiller:

Tip: If you want something simple and easy to set up, pick an air cooled chiller. If you need strong cooling for a big building, a water cooled chiller is better.

Quick Decision Checklist

Use this checklist to help you choose the best chiller. Answer each question to see which chiller fits your needs.

• If you picked "small area" and "easy setup," an air-cooled chiller is best for you.

• If you need lots of cooling, want to save energy, and plan to grow, a water-cooled chiller is better.

Note: Always think about your local weather, water supply, and future plans before you choose.

Now you can match your needs with what each chiller offers. This helps you pick the best chiller and avoid spending too much. The right chiller keeps your business working well and saves money over time.

You can look at the table to see the main differences. Air-cooled chillers use air to cool things. They fit in smaller spaces. Water-cooled chillers use water for cooling. They work better in big buildings. Use the checklist to find what you need. For the best choice, ask an HVAC expert before you pick a chiller.

You want a cooling system that works well and helps the planet. The 100 ton air cooled chiller cools big areas easily. It uses energy in a smart way. EER and COP show how well it turns power into cool air. Many companies use the 100 ton air cooled chiller because it works every day. The 100 ton air cooled chiller is quiet and simple to take care of. It is made to last a long time.

100 Ton Air Cooled Chiller Features

Twin-Screw Compressors

You want your chiller to give strong cooling all the time. The OUMALCHILLER 100 ton air cooled chiller uses twin-screw compressors. These compressors make sure you get lots of cooling and smooth running. Twin-screw compressors work great in hard industrial places. They help your system shake less and wear out slower. This design lets your air cooled chillers last longer and break down less. Most air cooled chillers with strong build can work for 15 to 20 years. If you do regular check-ups, your chiller can last even longer.

Advanced Cooling Fan

The ebmpapst cooling fan in this chiller is quiet and works well. You will hear less noise than with other air cooled chillers.

• Most air cooled chillers make 70 to 90 dB(A) of sound at 30 feet.

• For quiet places, you can pick models with sound below 75 dBA at 16.4 feet.

This special fan helps make your work area quieter. It also saves energy by moving air well over the coils. You get strong cooling without loud sounds or wasted power.

Intelligent Control System

You want a chiller that is simple to use and keeps things safe. The Siemens PLC intelligent control system gives you easy control.
Here is what you get:

This smart system lets you watch and change your air cooled chillers easily. You can keep your cooling steady and safe. The easy design makes fixing and cleaning simple. Removable panels and a stainless steel water tray help you clean and fix the chiller fast. Air cooled chillers need coil cleaning during the cooling season, but you do not need to treat water like with water-cooled systems.

Tip: If you do regular check-ups, your air cooled chillers will last longer and work better. You will save time and money later.

Benefits for Industrial Cooling

High Cooling Capacity

You need a cooling system that can handle big jobs. The 100 ton air cooled chiller gives you strong cooling for many types of factories. You can use it in plastics, electronics, or food production. This chiller works well even when your machines run all day. Here is a table that shows how much cooling you get:

This high cooling capacity means you can keep your equipment safe and your products at the right temperature. Even when the weather gets hot, the chiller keeps working. If you use special evaporative cooling, you can save up to 20% more power and make the chiller work even better when it is hot outside.

Energy Efficiency

You want to save power and money. The 100 ton air cooled chiller uses less energy than older systems. Here is what you can expect:

• The old chiller uses 1,378 kWh each day.

• The new chiller uses only 980 kWh each day.

• You save 398 kWh every day.

• In one year, you save 103,480 kWh if you run the chiller five days a week.

The chiller also has a high coefficient of performance (COP). For chillers bigger than 50 kW, the COP is not less than 2.60. This means you get more cooling for every unit of power you use. You help the environment and lower your bills at the same time.

Reliability

You need reliable operation in your factory. The 100 ton air cooled chiller gives you steady cooling every day. It uses strong parts like twin-screw compressors and a tough steel frame. You can trust it to work in hard places and different weather. The chiller meets important standards like ASHRAE 90.1, IECC, and AHRI Certification. These standards show that the chiller is safe, tested, and ready for your needs.

Note: Air cooled chillers help you follow government rules about energy use and emissions. You can lower your costs and meet all the latest laws.

Low Maintenance

You want a chiller that is easy to take care of. The 100 ton air cooled chiller has smart features that make maintenance simple. You can open panels quickly and clean the coils without trouble. Here is a table that shows what you need to do and when:

Regular checks help you stop problems before they start. You can keep a daily log of pressure and temperature. This helps you find small issues early and avoid downtime. The chiller also uses air to cool, so you do not need much water. This saves water and lowers your costs. Air cooled chillers work well in places where water is hard to find.

You help the planet by using less water and energy. The chiller meets eco-friendly standards, so you know you are making a smart choice for your business and the environment.

Applications and Flexibility

Versatile Use Cases

A 100 ton air cooled chiller works in many industries. This chiller can handle different places and temperatures. It gives you good temperature control. This helps your machines work well and last longer. The chiller saves energy because it does not cool too much.

• Your products stay at the right temperature.

• You make better products and waste less.

• You spend less money and get more work done.

Many businesses use this chiller. Here are some ways people use it:

Plastic injection molding

Food processing

Pharmaceutical production

Medical device manufacturing

Power generation plants

Commercial printing

Metal finishing

Laser cutting

Machine tooling and die-cutting

Semi-conductors

This chiller keeps your equipment safe. It helps your work go smoothly, even if it gets hot or cold.

Easy Installation

You want a chiller that fits your space. The 100 ton air cooled chiller is small and easy to place. You can put it in tight spots or small rooms. The modular design makes fixing and upgrading easy.

You can pick from many options to fit your needs:

You also get a strong warranty for peace of mind:

This chiller is easy to install, simple to upgrade, and comes with good support.

You want a cooling system that is easy to put in. It should work well and not break down often. The 100 ton air cooled chiller is a good choice for many businesses because it gives you:

• Easy setup and simple care

• Strong cooling for big jobs

• Good performance where water is hard to get

• Can fit in many places in your building

This chiller helps your business run well. It also helps you reach your green goals.

Why Choose a Screw Water Chiller for Industrial Cooling

You want reliable cooling for your facility. A screw water chiller delivers powerful performance where you need it most. Industrial operations face challenges like high water usage, complex setups, and costly maintenance. The table below shows how this solution tackles these issues and keeps your business running efficiently.

What Is a Screw Water Chiller?

You want a cooling system that delivers consistent results and keeps your operations running smoothly. A screw water chiller stands out as a powerful solution for industrial cooling. This system uses a screw compressor to move refrigerant through a closed loop, ensuring your facility stays at the right temperature for peak performance.

How Screw Compressors Work

A screw compressor uses two interlocking rotors to compress refrigerant vapor. This process starts when the compressor vaporizes the coolant at low gravity and temperature. The coolant then becomes a high-pressure gas. As this gas moves into the cooling chamber, it transfers heat to the chilled water. The thermostatic widening valve controls the flow of vacuum fluid into the evaporator, where the water cools to your desired temperature. The cooled liquid circulates back through the system, keeping your process stable and efficient.

Typical Industrial Uses

You can rely on a screw water chiller in many industries that demand reliable cooling. These systems excel in small- to medium-scale applications. Common uses include:

• Plastics extrusion cooling

• Injection mold cooling

• Plating and anodizing cooling

• Food process cooling

• Pharmaceutical and chemical production

• Commercial printing

• Metal finishing

• Composite manufacturing

• Laser cutting

• Machine tooling and die-cutting

• Semiconductor manufacturing

If your business needs precise temperature control and dependable operation, a screw water chiller gives you the flexibility and reliability you expect.

Benefits of Screw Water Chillers

Energy Efficiency

You want to cut costs and boost your bottom line. A screw water chiller helps you achieve this by delivering outstanding energy efficiency, especially under varying load conditions. The system uses advanced sequencing, load, and parameter optimization strategies to maximize savings. For example, frequency conversion control of the water pump plays a significant role in reducing energy consumption.

Over one summer, you can save up to 650,463 kWh, with sequencing contributing 5.64% to total savings. You also benefit from a novel efficiency model that helps you identify performance losses due to aging or improper operation. By monitoring these factors, you maintain high energy efficiency and keep your cooling performance at its best.

Quiet and Reliable Operation

You need a cooling solution that works smoothly and quietly. Screw water chillers offer a broad cooling capacity range from 80 to 2,000 RT, making them ideal for large operations. You get excellent load adaptability, from 10% to 100%, so your system responds to changing demands without missing a beat.

• Screw chillers operate with fewer moving parts, which means less noise and fewer breakdowns.

• Maintenance costs are 15–20% lower compared to centrifugal models.

• You enjoy reliable operation with less downtime, keeping your facility productive.

The OMC-75WSH model stands out with its semi-hermetic screw compressor, which ensures quiet and stable operation. You can trust this unit to deliver consistent cooling performance in demanding environments.

Low Maintenance

You want to spend less time and money on upkeep. Screw water chillers make this possible with their simple design and robust components. The compressor has fewer moving parts, which means fewer things can go wrong. High-efficiency heat exchangers and advanced control systems further reduce wear and tear.

You benefit from longer intervals between maintenance checks and lower annual costs. The OMC-75WSH features a Siemens PLC control system with self-diagnosis, making it easy to monitor and address issues before they become costly problems.

Safety and Flexibility

You need a cooling system that keeps your facility safe and adapts to your needs. Modern screw water chillers come equipped with multiple safety mechanisms to prevent operational hazards.

The OMC-75WSH model includes protection against high and low pressure, compressor overheating, and flow issues. You get peace of mind knowing your equipment and staff are protected.

Flexibility is another key advantage. You can configure your screw water chiller to use different refrigerants, such as R134a, R407c, or R404a, depending on your operational and environmental needs. The system integrates easily with other cooling and air conditioning setups, making it versatile for a wide range of industrial applications. Customization options let you tailor the unit to your specific requirements, whether you work in plastics, pharmaceuticals, food processing, or metal finishing.

Screw Water Chiller vs. Other Chillers

Centrifugal Chillers Comparison

You want a cooling system that matches your facility’s demands. Centrifugal chillers use dynamic compression to convert kinetic energy into static energy. These machines deliver high efficiency at full load and operate with minimal maintenance. You get a long operational life and reliable performance in environments with constant, high-speed airflow. Centrifugal chillers work best in large commercial buildings and industrial plants where cooling loads remain steady.

If your cooling needs fluctuate, a screw water chiller gives you better energy savings and adaptability. Centrifugal chillers excel when you need maximum output all the time.

Reciprocating Chillers Comparison

You may consider reciprocating chillers for their lower installation costs. These units use pistons to compress refrigerant, but they rely on older technology. You face more frequent maintenance and higher operational costs over time. Screw water chillers feature a rugged design, so you spend less on upkeep and enjoy lower operational costs.

Choose a screw water chiller if you want a system that keeps maintenance simple and costs low.

When to Choose a Screw Water Chiller

You need flexibility and reliability in your cooling solution. Screw water chillers perform best when your facility experiences variable loads or part-load conditions. You benefit from energy efficiency, quiet operation, and easy integration with other systems. If your business requires adaptable cooling for plastics, pharmaceuticals, food processing, or metal finishing, this technology supports your growth.

Choosing a Screw Water Chiller

Key Features to Consider

You want a screw water chiller that delivers reliable cooling and maximizes your investment. Focus on features that drive performance and savings on energy costs. Look for high energy efficiency, proper capacity, and easy maintenance. The right unit helps you reduce energy consumption costs and keeps your operations running smoothly.

Advanced control systems boost operational efficiency and safety. You benefit from monitoring devices that track water flow, parameter verification to prevent abnormal operations, and post-startup inspections that protect your compressor. High and low pressure protection and electrical self-control systems add extra layers of safety.

Manufacturer Reputation

Choose a manufacturer with a strong reputation for quality and innovation. You want a solution that adapts to future needs and meets all regulatory standards. Look for smart controls and eco-friendly refrigerants that help you reduce energy consumption. Consider long-term ROI, including projected savings on energy costs and maintenance.

Check for certifications like UL, CE, CSA, ETL, RoHS, REACH, ISO 9001, and ISO 14001. These show the manufacturer’s commitment to safety and quality.

Sizing and Customization

Get the right size by calculating your total cooling load and peak demand. Use the formula: BTU/hr = Gallons per hr x 8.33 x ΔT°F. Divide BTU/hr by 12,000 to find the cooling capacity in tons, then multiply by 1.2 for safety. Always round up to ensure your chiller meets your needs.

Customization matters. You can adjust the temperature range, control system, and component materials. Choose noise reduction features and tailor the design to your environment. The OMC-75WSH stands out with a temperature range of 5ºC to 35ºC, a semi-hermetic screw compressor, and multiple safety features like high and low pressure protection and compressor overheating protection. You get a unit that fits your requirements and supports your business growth.

You need a water cooled explosion-proof chiller in dangerous places. It helps stop fires from flammable gases, vapors, or dust. Explosion-proof chillers keep your workplace safe. They remove heat without making sparks. If you use regular equipment in these areas, you could start fires. This can cause injuries and expensive damage. Safety should always come first in hazardous industries.

Key Takeaways

• Water cooled explosion-proof chillers are very important for safety in dangerous places. They stop fires by taking away heat and do not make sparks.

• Pick explosion-proof chillers that have sealed parts and strong materials. This helps them last in hard places and lowers the chance of fire starting.

• It is important to install and take care of chillers the right way. Always follow safety rules and check the chillers often. This keeps them safe and working well.

• Certified explosion-proof chillers help you follow safety laws. They keep your workers safe and can make insurance cheaper.

• Buying explosion-proof chillers makes your workplace safer and saves energy. This can help your business save money too.

What Is a Water Cooled Explosion-Proof Chiller?

It is important to know how a water cooled explosion-proof chiller is different from a regular chiller. These chillers are made to keep people safe in dangerous places. They are built to stop sparks and heat from starting fires. Explosion-proof chillers have tough covers and use strong stainless steel. This makes them last longer and keeps them from getting rusty or damaged.

Here is a table that shows the main differences between explosion-proof chillers and standard chillers:

Explosion-proof chillers come in different types. You can pick closed-loop, open-loop, or one-pass systems. These choices help you fit the chiller in small spaces at work.

Tip: Always make sure your explosion-proof refrigeration system follows the newest safety rules for dangerous areas.

How It Works in Hazardous Areas

A water cooled explosion-proof chiller uses water to take away heat. The water moves through the condenser and cools the refrigerant. This keeps the refrigerant cold before it goes to the evaporator. Using water instead of air helps stop sparks or hot spots. This is very important where there are flammable gases or chemicals.

Explosion-proof chillers are safe to use in dangerous places. They do not let any part of the system start a fire. The strong cover and smart design protect people and equipment. You can count on these chillers to work without causing fires or explosions.

Safety Benefits of Explosion-Proof Chillers

Preventing Ignition Risks

Hazardous places have many dangers. Flammable gases, vapors, and dust can cause big problems. Even a tiny spark can start a fire. Explosion-proof chillers help stop these risks. They use sealed parts and strong materials. This keeps flammable stuff out. Extra safety features like pressure relief valves and shut-off systems give more protection.

Here is a table that shows how explosion-proof chillers are safer than regular chillers:

Safety Performance Chart

Here is a simple chart that shows how explosion-proof chillers lower risk compared to regular chillers:

Protecting People & Assets

You want your team and equipment to stay safe. Explosion-proof chillers protect people and things in dangerous jobs. These chillers use spark-proof parts and materials that do not rust. You can trust them to work in hard places.

• Explosion-proof design lets you use chillers in risky places.

• Spark-proof parts stop fires from starting.

• Materials that do not rust help fight chemicals.

• PESO certification means you follow safety rules.

Explosion-proof chillers help you avoid accidents and lost time. You protect your money and keep your business working well. Picking a water cooled explosion-proof chiller shows you care about safety. Explosion-proof refrigeration is the best choice for dangerous jobs.

You must follow safety rules and standards to keep everyone safe. Explosion-proof chillers help you do this and protect your team from harm.

Meeting Industry Standards

You have to check if your explosion-proof chillers meet safety rules. These rules help keep everyone safe at work. Using a water cooled explosion-proof chiller protects people and equipment. Many groups make rules for hazardous location hvac systems. These rules explain how to use explosion-proof refrigeration in dangerous places.

Here is a table that lists some important NEMA standards for explosion-proof chillers:

You should also look for certifications like PESO and IECEx. These show your explosion-proof chillers follow strict safety rules. When you see these marks, you know the equipment is safe for dangerous places.

Note: Certified explosion-proof chillers help stop accidents and keep your business working well.

Regulatory & Insurance Needs

You must follow all the rules in hazardous industries. Explosion-proof chillers help you obey these laws. If you use the wrong equipment, you might get fined or lose insurance. Insurance companies want to see certified hazardous location hvac systems. They check for safety rules and the right certifications.

Explosion-proof chillers make it easier to get insurance for your business. They show you care about safety and follow the law. Using explosion-proof refrigeration lowers the chance of accidents. This can help you pay less for insurance and stay out of trouble.

Tip: Always check your local and national rules before buying new equipment. Make sure your explosion-proof chillers have the right certifications for your area.

When you pick certified explosion-proof chillers, you protect your team, your things, and your business. You also show you care about safety in dangerous places.

Operational Advantages in Hazardous Industries

Reliability & Uptime

You want equipment that works every day. It should work well in tough places. Explosion-proof chillers are strong and reliable. They help you avoid expensive shutdowns. These chillers keep your systems running safely. They work even when there are flammable gases or vapors. You can trust them to keep your workplace cool and safe.

Here are some reasons why explosion-proof chillers are reliable:

• They lower the risk of fires and explosions.

• They help you follow safety and work rules.

• They cut down on downtime and help equipment last longer.

• They work in hazardous places like Class I, Division 1 & 2.

• They remove ignition sources in places with flammable gases or vapors.

• They use strong stainless steel and materials that resist rust.

• They are made to last and are easy to take care of.

Tip: Using explosion-proof chillers helps prevent accidents. They keep your business running without problems.

Efficiency & Cost Savings

Explosion-proof chillers do more than keep you safe. They also help you save money and energy. New models have smart controls and hybrid systems. These features help chillers change when cooling needs go up or down. You use less energy and pay lower bills.

Here is a table that shows how explosion-proof chillers help you save:

Explosion-proof refrigeration helps you reach safety and savings goals. Many companies pick these chillers to follow new energy rules. They also help lower harm to the environment. You get safe cooling, lower costs, and a safer workplace with explosion-proof chillers in hazardous jobs.

Selection & Maintenance

Choosing the Right Chiller

You must pick the right explosion-proof chillers for your job. Look at the safety features first. The chiller should have sealed parts and a flame-proof case. Check what kind of hazardous area you have. Find out if there are flammable gases, vapors, or dust. Think about how much cooling you need. Decide what fluids you will chill. Always ask experts for help. Make sure your choice is safe and works well.

Here are some things to think about:

• Safety features like sealed parts and flame-proof cases

• The type of hazardous area you have

• How much cooling you need

• What fluids you will chill

• Ask experts to help you follow the rules

You might have problems when picking and setting up explosion-proof chillers. The table below shows some common problems and what they mean:

Installation & Maintenance Tips

You want your explosion-proof chillers to work well and stay safe. Follow these tips for installing and taking care of them:

1. Check for risks before you put in the chiller. Find any dangers.

2. Talk to experts to help you pick and install the right chiller.

3. Make a plan to check and fix the chiller often. Look at the refrigeration, electrical, and water systems.

4. Clean the chiller inside and outside to help it work better.

5. Change old parts and fix settings to keep it working well.

6. Always follow the rules for using the chiller. Check safety devices and do not overload it.

Some common problems are leaking, slow cooling, and loud noises. The table below shows some problems and what causes them:

Tip: Write down all checks and repairs. This helps you stay safe and follow the rules.

Explosion-proof chillers need good choices and regular care. If you do these things, you keep your team safe and your business working well.

You need water cooled explosion-proof chillers to keep people safe. These chillers help protect your team and equipment at work. They work well in tough places and use water to cool things down. Using water helps stop sparks from happening. This lowers the chance of a fire starting. Certified chillers help you follow safety rules at your job. Chemical plant chillers with explosion-proof features keep your business running. To begin, look at what your site needs. Check if the chillers have the right certifications. Talk to experts to find the best chiller for your work.

Reverse osmosis pumps inject water into reverse osmosis membranes under high pressure, effectively filtering out dissolved salts, organic matter, microorganisms, and other impurities. The key lies in their ability to sustain stable high pressure conditions over extended periods, ensuring filtration efficiency and water purity. Designed for both durability and energy efficiency, these pumps maintain high performance during prolonged operation. Furthermore, their compact construction facilitates easy installation and maintenance, offering users significant operational convenience. This high pressure pump is specifically engineered for reverse osmosis (RO) systems, playing a vital role within the RO process. Its primary function is to provide stable and sufficient pressure throughout the system, counteracting osmotic pressure and driving water molecules through the semi-permeable membrane. To ensure long-term reliable operation, the internal structure of the reverse osmosis pump undergoes precision machining, offering excellent corrosion and wear resistance, capable of withstanding various complex water quality conditions.

1. Working Principle of Reverse Osmosis Pumps

Reverse osmosis pumps utilize the reciprocating motion of a plunger to pressurize and convey fluids. When the plunger retracts, negative pressure forms within the pump chamber, opening the inlet valve and drawing water into the chamber. As the plunger advances, the water within the chamber is compressed, causing pressure to rise rapidly. The outlet valve then opens, delivering the high pressure water stream to the reverse osmosis system. This operating mechanism enables the plunger pump to deliver stable high pressure output, making it highly suitable for applications requiring high pressure and low flow rates. Additionally, due to its simple structure and the use of high performance materials for critical components, the plunger pump demonstrates exceptional efficiency and reliability during operation. It maintains long-term stable performance even under harsh working conditions.

2. Why is the reverse osmosis pump the “heart” of the RO system?

The reverse osmosis pump occupies a central position within the RO system, with its performance directly impacting the operational effectiveness and stability of the entire system. Serving as the driving force propelling water molecules through the semi-permeable membrane, it not only determines water production efficiency but also plays a critical role in achieving water purity. If the RO system were likened to a living organism, the reverse osmosis pump would be its powerhouse heart, continuously supplying energy to the system. Should the pump malfunction, the entire system risks stalling or operating inefficiently, potentially leading to irreversible damage. Therefore, selecting a high-quality reverse osmosis pump is essential for ensuring the long-term, stable operation of the RO system. Furthermore, its reliability and adaptability determine whether the system can maintain high performance under varying operating conditions, further underscoring its indispensable role.

In summary, reverse osmosis pumps play an irreplaceable role in RO systems. Their pivotal position is reflected not only in providing essential pressure support but also in their ability to flexibly adjust output according to actual demand, ensuring the system consistently operates at optimal performance. Moreover, the high efficiency and stable performance of reverse osmosis pumps enable the entire RO system to operate continuously in diverse complex environments, delivering reliable water quality assurance to users. This robust adaptability makes them the preferred equipment for reverse osmosis systems across various industries, seawater desalination projects, and pharmaceutical applications, further cementing their pivotal role as the “heart” of the system. Elephant Machinery offers the optimal selection of reverse osmosis pumps and can also provide customized solutions tailored to your requirements. We welcome your inquiries.

The BOP test pump is a specialized device designed to evaluate the performance of blowout preventer (BOP) at wellheads. By simulating high pressure environments, it assesses the sealing integrity and reliability of BOP, ensuring their safe operation during oil and gas extraction. This test pump typically features high-precision pressure control and data acquisition capabilities, enabling real-time monitoring and recording of critical parameters throughout the testing process to provide reliable data for subsequent analysis.

1. Function

The BOP test pump simulates various pressure conditions to evaluate the performance of blowout preventers under different operational states. It serves as the final and most critical safety barrier against well blowouts. This equipment identifies potential leak points or weak links without damaging the machinery, enabling operators to perform timely maintenance and repairs. Additionally, it supports multiple test modes that can be flexibly adjusted to meet specific operational requirements, ensuring each test achieves the desired outcome. Water is typically used for testing instead of drilling mud because it is clean, incompressible, clearly displays pressure changes, and causes less damage to equipment. Through precise pressure regulation and stable output, the BOP test pump effectively enhances testing efficiency while reducing the risk of human error.

2. Features

Unlike other drilling pumps (such as mud pumps), the BOP test pump is specifically designed for testing operations. Its design emphasizes practicality and reliability, featuring robust adaptability to ensure normal operation under harsh environmental conditions. The primary focus is on generating extremely high pressure rather than large-volume fluid transfer, resulting in lower flow rates. Its compact structure facilitates transportation and installation, making it suitable for diverse field applications. Manufactured using advanced materials and technologies, the equipment ensures long-term durability while reducing maintenance frequency and costs. Additionally, it incorporates multiple safety protection mechanisms to effectively prevent accidents caused by operational errors or unexpected incidents, providing enhanced safety assurance for field operations.

3. Application

BOP test pumps find extensive applications across the oil and gas industry. They are commonly deployed on drilling rigs, onshore wells, and offshore production facilities to conduct periodic inspections and performance verification of blowout preventers. This equipment enables operational teams to perform comprehensive performance assessments before equipment commissioning or during routine maintenance, ensuring compliance with safety standards. Additionally, BOP test pumps can adapt to testing demands in extreme environments, such as high temperatures, high pressures, or corrosive conditions, thereby safeguarding safe operations under complex working conditions. In practical applications, they not only help users meet industry regulatory requirements but also optimize overall operational workflows, reduce downtime caused by equipment failures, and enhance production efficiency.

The BOP test pump is a specialized piece of equipment primarily used for conducting high pressure seal integrity tests on critical well control devices such as blowout preventers. Within the oil and gas industry, the role of the BOP test pump cannot be overlooked. It not only performs initial performance verification on newly installed blowout preventers but also enables periodic inspections after equipment operation to ensure it remains in optimal condition. Elephant Machinery remains committed to providing customers worldwide with convenient, reliable, efficient, and intelligent reciprocating pump products. We offer high-quality BOP test pumps, including high pressure pumps and pressure test pumps.

In chili pepper processing, appearance, color uniformity, and cleanliness directly determine the product’s value and market acceptance.
Raw chili peppers often contain stems, stalks, spotted or discolored pods, which cannot be completely removed in a single sorting stage.

To achieve higher precision and consistent quality, GroTech introduces the Dual-Stage Chili Pepper Sorting System — two AI-powered color sorters working in series to ensure exceptional purity and efficiency.

Stage 1: Removing Stems and Large Impurities

The first GroTech color sorter performs coarse sorting.
It efficiently separates:

Chili stems and broken stalks、

Peppers with attached handles、

Foreign impurities and large debris。

After this process, clean and qualified chili peppers are transferred automatically to the second sorting stage.

Stage 2: Detecting Spots and Color Variations

The second GroTech color sorter focuses on fine sorting and defect removal.
Using multi-spectral imaging and AI visual recognition, it identifies and removes:

Spotted or blotchy chili peppers

Discolored or sunburned pods

Irregular or deformed peppers

The result is a batch of uniform, bright red, premium-quality chili peppers ready for grading and packaging.

Final Grading for Premium Output

After dual-stage sorting, GroTech systems can grade chili peppers by size and color, meeting the requirements for export, seasoning production, and food processing.
This setup not only improves sorting accuracy but also:
✅ Reduces manual labor costs
✅ Minimizes product loss
✅ Ensures consistent high-quality output

Why Dual Sorting Matters

Using two color sorters in series allows each to focus on a specific task — one for impurity removal, the other for defect detection.
This division of labor significantly enhances both throughput and accuracy, ensuring every chili pepper meets top-grade visual and quality standards.

GroTech — Smarter Sorting, Better Quality

With years of experience in optical sorting technology, GroTech provides intelligent solutions tailored for chili pepper processing factories worldwide.
From stem removal to final color grading, GroTech helps manufacturers achieve cleaner, faster, and smarter chili pepper sorting — step by step.