Industrial Dry Screw Vacuum Pumps

Description	Unit	AX 180	AX 330	AX 450	AX 800
50HZ	60HZ	50HZ	60HZ	50HZ	60HZ	50HZ	60HZ
Nominal Displacement Capacity	M³/Hr.	150	180	270	330	360	430	660	800
Ultimate Pressure	Mbar	0.1	0.1	0.05	0.05	0.05	0.05	0.1	0.1
Power Rating	Kw	3.7	7.5	11	15
Rotational Speed	RPM	2900	3500	2900	3500	2900	3500	2900	3500
Pump Connection	Inlet	NW 50	ISO 63	ISO 63	ISO 100
Outlet	NW 40	NW 40	ISO 63	ISO 63
Cooling Water	Temperature	°C	10 to 35	10 to 35	10 to 35	10 to 35
Connection	BSP	3/8″	3/8″	3/8″	1/2″
Flow Rate	LPM	5 to 8	8 to 10	10 to 12	12 to 18
Pressure	Kg/Cm2(g)	1.5 to 2	1.5 to 2	1.5 to 2	1.5 to 2
Inlet Purge Gas	Flow Rate	LPM	300	300	300	300
Pressure	Kg/Cm2(g)	0.3 to 0.5	0.3 to 0.5	0.3 to 0.5	0.3 to 0.5
Seal Purge Gas	Flow Rate	LPM	3 to 12	3 to 12	3 to 12	3 to 12
Pressure	Kg/Cm2(g)	0.3 to 0.5	0.3 to 0.5	0.3 to 0.5	0.3 to 0.5
Noise Level	dB(A)	≤ 78	≤ 78	≤ 78	≤ 78
Lubrication	Grade	Mobil SHC Rarus 1026	Mobil SHC Rarus 1026	Mobil SHC Rarus 1026	Mobil SHC Rarus 1026
Quantity	Litres	0.8	1.2	1.8	3
Weight	Bare Shaft	Kgs	200	260	320	450

Understanding Industrial Dry Screw Vacuum Pumps

Vacuum pumps are tools used in many industries. They help create a vacuum by removing air or gas from a space. This is useful in processes like packaging, drying, and bottling.

Among the many types of vacuum pumps, dry screw vacuum pumps stand out. They are reliable, efficient, and don’t use oil in the pumping area. Let’s explore what they are, how they work, and why they matter.

Industries use vacuum pumps for different jobs. Some pumps are simple, while others handle tough tasks. Dry screw vacuum pumps are special because they work without fluids like oil or water in the compression chamber.

This makes them clean and safe for certain applications. Whether you’re in food processing or metalworking, these pumps can help.

What Are Vacuum Pumps?

A vacuum pump removes air or gas from a sealed space. This lowers the pressure inside. Industrial vacuum pumps are built for big jobs. They help in manufacturing, research, and more. Dry screw vacuum pumps are one type of industrial pump. They use screws to trap and move gas.

There are many kinds of vacuum pumps. Some use oil, some use water, and others are dry. Dry screw vacuum pumps belong to the dry category. They don’t need liquids to work, which keeps things clean. This is why they’re popular in places where contamination is a concern.

How Do Industrial Vacuum Pumps Work?

All vacuum pumps follow a basic idea. They pull air or gas out of a chamber. As the air leaves, the pressure drops. This creates a vacuum. The harder it is to remove the last bits of air, the stronger the pump needs to be. Industrial pumps handle a wide range of pressures.

Dry screw vacuum pumps use two screws that spin. These screws trap gas and push it out. The screws don’t touch each other or the pump’s walls. This means no friction and no need for oil. The gas moves from one end to the other and exits through an exhaust.

Types of Vacuum Pumps

Vacuum pumps come in different styles. Some transfer gas, while others trap it. Gas transfer pumps move air out of a space. Entrapment pumps catch gas on surfaces inside the pump. Dry screw vacuum pumps are gas transfer pumps. They move gas using screws.

There are also wet and dry pumps. Wet pumps use oil or water to seal or lubricate. Dry pumps, like screw pumps, don’t use fluids in the pumping area. This makes dry pumps cleaner. They’re great for jobs where oil or water could ruin the product.

Pressure Ranges in Vacuum Systems

Vacuum systems work at different pressure levels. Rough vacuum is from 1000 to 1 mbar. Medium vacuum is 1 to 0.001 mbar. High vacuum goes from 0.001 to 0.0000001 mbar. Ultra-high vacuum is even lower. Dry screw pumps usually work in rough to medium ranges.

Each range needs a specific pump. Some pumps work alone, while others team up. Dry screw pumps can pair with other pumps, like roots blowers, for better performance. This teamwork helps in tough jobs needing strong vacuums.

What Makes Dry Screw Vacuum Pumps Special?

Dry screw vacuum pumps use two screw-shaped rotors. One has a right-hand thread, the other a left-hand thread. They spin in opposite directions. This traps gas between them. As the screws turn, the gas gets compressed and moves to the exhaust.

These pumps don’t use oil in the compression chamber. The screws stay apart with tight gaps. A gear keeps them in sync. This design makes them oil-free and low-wear. They’re built to last and handle tough tasks.

How Dry Screw Vacuum Pumps Operate

The operation is simple. Two screws spin inside a housing. Gas enters through an inlet. The screws trap it and shrink the space as they turn. This squeezes the gas. The compressed gas then exits through an outlet. Cooling comes from water or air around the pump.

Some models change the screw pitch. This means the gas gets compressed step-by-step. It cools between steps, making the pump more efficient. The result is a strong vacuum with less energy use.

Benefits of Using Dry Screw Vacuum Pumps

Dry screw vacuum pumps have many advantages. They’re tough and can handle dust or water vapor. They don’t contaminate the gas they pump. This is perfect for clean industries. They also run quietly and need little maintenance.

These pumps save energy too. Modern ones use frequency converters to adjust speed. This cuts power use. They’re efficient because they compress gas inside the pump. Overall, they’re a smart choice for many jobs.

Where Are Dry Screw Vacuum Pumps Used?

You’ll find dry screw pumps in many places. In food processing, they dry food or package it. They keep oil out, so the food stays safe. In metallurgy, they remove gases from molten metal. This makes the metal stronger.

They’re also used in big machines. Think of glass coating for buildings or science experiments. Dry screw pumps handle rough vacuums in these setups. Their strength and cleanliness make them a top pick.

Comparing Dry Screw Pumps to Liquid Ring Pumps

Choosing the right pump matters. Liquid ring pumps use water or oil to make a vacuum. Dry screw pumps don’t. This is the big difference. Liquid ring pumps have a spinning impeller that forms a liquid seal. Dry screw pumps use screws instead.

Liquid ring pumps are good for dirty jobs. They handle wet or messy gases well. Dry screw pumps need cleaner gas. But dry pumps are easier on upkeep in clean settings. Each has its place depending on the task.

Working Principle of Dry Screw Pumps

Dry screw pumps are straightforward. Two screws rotate toward each other. Gas gets caught in the gaps. As the screws spin, the gaps shrink. This squeezes the gas and pushes it out. No oil touches the gas, keeping it pure.

The screws don’t rub together. Precision gears keep them aligned. Cooling comes from outside the chamber. This simple design makes the pump reliable. It’s why industries trust it for steady work.

Why Choose Dry Screw Over Wet Pumps?

Wet pumps use fluids like oil or water. This can mix with the gas being pumped. Dry screw pumps avoid this. They keep the gas clean. That’s a big plus in food or drug making. Wet pumps might need more cleanup too.

Dry pumps also cut waste. There’s no oil to throw away. They’re kinder to the environment. Plus, they don’t need as much upkeep. For many jobs, dry screw pumps just make sense.

Advantages of Dry Screw Vacuum Pumps

These pumps are strong. They handle tough conditions like dust or steam. They pump fast, even at low pressures. There’s no friction between the screws. This means less wear and longer life. They also use less power.

Another perk is low cost over time. Maintenance is simple and rare. You don’t need to replace oil or seals often. They’re quiet too. Workers like that in busy factories.

Disadvantages to Know About

Dry screw pumps aren’t perfect. They struggle with light gases like helium. You might need a gas ballast for those. They also don’t work well for tiny pumping speeds. Below 50 m³/h, other pumps might be better.

High heat can be an issue too. The gas gets hot as it compresses. This might not suit some jobs. Still, for most uses, the pros outweigh the cons.

Dry Screw Pumps in Food Processing

Food makers love dry screw pumps. They dry food without oil. This keeps products safe to eat. They’re used in packaging too. Removing air keeps food fresh longer. The pumps handle wet or dry stuff easily.

Quiet running is a bonus. Food plants can be noisy. These pumps don’t add to that. They’re also easy to clean. That’s key in keeping food pure.

Dry Screw Pumps in Metallurgy

Metalworking needs strong pumps. Dry screw pumps fit the bill. They pull gases out of molten metal. This makes the metal cleaner and stronger. They’re used in heat treatment too.

These pumps last in harsh settings. Dust and heat don’t stop them. They’re reliable for big jobs like steel making. That’s why metal shops depend on them.

Dry Screw Pumps in Architecture

Building projects use vacuum pumps too. Dry screw pumps help coat glass for windows. They pull air out fast. This makes the coating stick better. They’re energy-efficient, which saves money.

They’re flexible too. Architects can tweak them for specific needs. This helps in big buildings where every detail counts. The pumps keep things running smooth.

Easy Maintenance of Dry Screw Pumps

Dry screw pumps are simple to care for. They have few moving parts. The screws don’t touch, so there’s no wear there. You just check the gears and bearings now and then. A little grease keeps them going.

No oil in the chamber means less mess. Wet pumps need fluid changes. Dry pumps don’t. This cuts downtime. Workers can focus on other tasks.

Quiet Operation for Better Workplaces

Noise can be a problem in factories. Dry screw pumps run quietly. They don’t vibrate much either. This makes work areas nicer. Workers stay focused and safe.

In places like labs or hospitals, quiet matters more. These pumps fit right in. They do their job without bothering anyone. That’s a big win.

Wide Range of Uses

Dry screw pumps work in many conditions. They handle low pressures well. Wet or dry gases? No problem. They pump fast, saving time. They also use less power than some pumps.

This range makes them versatile. From food to metal to science, they shine. Businesses like their flexibility. It’s one pump for many jobs.

Reliable Performance Every Time

You can count on dry screw pumps. They work the same way every day. Their design cuts energy use. They handle all kinds of gases too. This makes them a go-to for tough tasks.

In big industries, downtime costs money. These pumps keep going. They’re built to last. That’s why they’re trusted worldwide.

Oil-Free Vacuum for Clean Jobs

Some jobs need a clean vacuum. Dry screw pumps deliver. No oil means no contamination. This is huge in food or drug making. They handle wet or dry stuff without trouble.

They’re cost-effective too. Less maintenance, less waste. Businesses save money and stay clean. It’s a win-win for sensitive work.

How Dry Screw Pumps Save Energy

Energy costs matter. Dry screw pumps use less power. Their design squeezes gas inside the pump. This cuts waste. Frequency converters help too. They adjust speed to save more.

Lower bills help companies. These pumps keep processes running without breaking the bank. Efficiency is their strength.

Picking the Right Pump for Your Job

Not all pumps fit every task. Dry screw pumps shine in clean, dry settings. Liquid ring pumps handle messier jobs. Think about your needs. Do you need oil-free? Go dry. Wet gases? Maybe liquid ring.

Talk to experts if you’re unsure. The right pump keeps things smooth. It saves time and money. Dry screw pumps are often the answer.

Dry screw vacuum pumps are a big deal. They’re simple, strong, and clean. Industries rely on them for all kinds of work. From food to metal to buildings, they get the job done.

They save energy and need little care. They’re quiet and reliable. Sure, they have limits, but the benefits are clear. For many, they’re the best choice out there.

Types of Industrial Vacuum Pumps Available

Industrial vacuum pumps come in many types, each designed to suit different needs. Here’s a simple look at some common ones:

Rotary Vane Pumps

These pumps have spinning parts called vanes. The vanes trap gas and push it out to create a vacuum. They’re dependable and used in many industries because they work well for general tasks.

Liquid Ring Pumps

These use a spinning ring of liquid inside the pump to squeeze gas and remove it. They’re great for jobs with steam or liquids since they handle those conditions well.

Dry Screw Pumps

These pumps use two screws that fit together to trap and press gas. No oil is needed, so they’re clean and easy to care for. They’re perfect for tasks needing a dry vacuum.

Claw Pumps

Also called lobe pumps, these have claw-shaped parts that spin to compress gas and make a vacuum. They don’t use oil, which makes them reliable and efficient for certain jobs.

Turbomolecular Pumps

These have fast-spinning blades that push gas molecules out by giving them energy. They can create very strong vacuums and are often used in high-tech fields like making computer chips or research.

Each pump type has its own strengths. They’re built to handle specific tasks in industries, ensuring good quality and performance for different processes.

Custom Vacuum Pump Solutions

Custom vacuum pumps can be made to fit special needs in various industries. Experts work with customers to figure out what’s required, like the job type or conditions the pump will face.

This teamwork helps create pumps that work well for specific tasks. For example, pumps can be designed for making medicines, processing food, or building electronics. Every industry has unique demands, and custom solutions meet those perfectly.

The process starts with studying the job details—like how much vacuum is needed, how fast the pump should work, or if it needs to handle certain chemicals. Then, the right pump parts and setup are chosen to get the best results.

Extra features like smart controls or safety systems can also be added. These make the pumps easier to use and safer, boosting work efficiency. The goal is to deliver solutions that go beyond what customers expect, helping their businesses grow.

Support doesn’t stop after delivery. Help, training, and upkeep services keep the pumps running smoothly for a long time. This ensures better results, less downtime, and more success for users.

Ordering and Delivery Time for Vacuum Pumps

How long it takes to get a vacuum pump depends on a few things, like the pump type, how many are needed, and how busy production is. The aim is always to get pumps to customers quickly and efficiently.

For standard pumps already in stock, delivery can happen fast—sometimes in just a few days or up to two weeks. This speedy process helps meet urgent needs without delays.

Custom pumps take longer because they need extra steps like designing and building to match specific requests. The time depends on how complex the changes are and what’s happening in production.

Customers get clear updates about when their pumps will arrive. This helps them plan ahead and know what to expect. Good communication makes the process smooth.

Delivery time can also be affected by shipping details, like transport or customs for overseas orders. Trusted shipping partners help keep things on track and avoid holdups.

The focus is on delivering top-quality pumps as fast as possible. Timely service supports customers’ work and keeps their operations running well.

Warranty and Support Services

Vacuum pumps come with warranty and support to keep customers happy and worry-free. These services cover the pumps throughout their use.

The warranty protects against problems with materials or how the pump is made. It lasts for a set time, which changes depending on the pump type, giving solid coverage.

Support is available too. A team answers questions, helps fix issues, and gives tips on using and caring for the pumps. This makes sure everything runs smoothly.

Extra options like longer warranties or service plans can be chosen. These might include regular checkups, faster help, or cheaper repairs to keep pumps working their best.

The commitment goes beyond just selling pumps. Long-term help builds trust with customers. Whether it’s fixing a problem or offering advice, support is there to get the most out of every pump.

These services give confidence in the pumps’ quality. Customers know they’re backed by a team focused on great products and care.

Ensuring Energy Efficiency in Vacuum Pumps

Energy efficiency matters a lot in vacuum pumps. Several smart ideas help make this happen.

Modern Technology

New tech and clever designs create pumps that use less power. Features like adjustable speeds, efficient motors, and smart controls cut energy use while keeping performance high.

High Standards

Pumps are tested to meet tough energy-saving rules set by groups like ISO or ASME. This ensures they work well without wasting power.

Smart Design

Pumps are built to lose less energy. Less friction, better airflow, and good heat control all help them run efficiently.

Adjustable Speeds

Some pumps have motors that change speed based on the job. When less power is needed, they slow down, saving energy.

Energy Tracking

Tools let users watch how much power their pumps use. This info helps spot ways to save more energy and even control pumps from afar.

User Training

Tips and training show customers how to use pumps in energy-smart ways. Advice on setup, use, and care keeps energy use low.

The focus on saving energy runs through everything—from designing pumps to helping users. This creates efficient solutions that cut costs and help the environment.

Handling Bulk Orders and Large-Scale Needs

Big orders and large production runs for vacuum pumps are no problem. The setup is ready to handle them while keeping quality high.

Flexible Production

Factories can ramp up to make more pumps when needed. Modern tools and methods keep production fast and smooth for big orders.

Reliable Supplies

Strong ties with suppliers ensure parts and materials are always ready. Good planning avoids delays and keeps things moving.

Custom Options

Production can adjust to fit special requests. Whether tweaking a design or starting fresh, the process meets all kinds of needs.

Skilled Team

Experts in engineering and production handle every step. They solve issues, keep quality steady, and make sure everything works right.

Quality Checks

Every pump gets tested carefully. Strict standards mean only top-notch products get sent out, no matter how many are made.

Timely Delivery

Big projects stay on schedule. Planning keeps production on track, so pumps arrive when promised.

This setup is built for customers needing lots of pumps. Hundreds or thousands of units can be delivered efficiently, with quality and timing guaranteed.

Vacuum pumps play a key role in many industries. Different types suit different jobs, from simple tasks to high-tech needs. Custom options make them even better for specific work, while fast delivery and solid support keep things running.

Energy efficiency helps save power and money, and large orders are handled with ease. Every step—from building to delivering—focuses on quality and customer needs. These pumps are tools for success, supporting businesses big and small.