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Type: KA-30 KA-25 KA-20 KA-15 KA-10 KA-7. KA-5.5 KA-4
Motor HP/KW30/2225/18.5 20/15 15/1110/7.5

Description:
Cast iron compressor part, Refrigeration compressor housing,high nickle cast iron

Working Principle of Opened Type Vane Compressor
Opened Type Vane Compressors are a kind of positive displacement rotary compressor that operate using a set of vanes mounted in a rotor, which rotates inside a cylindrical chamber.

Operating Steps:
Air Intake:
As the rotor spins, centrifugal force pushes the vanes outward against the chamber wall, creating air-tight compartments between each pair of vanes.

Air Compression:
As the rotor turns, the volume of each air compartment decreases as it moves through the chamber, compressing the air inside.

Air Discharge:
The compressed air is then pushed out through the discharge port at the end of the compression cycle, delivering steady, pulse-free airflow.

The open design typically refers to an open-frame construction (without soundproofing enclosure), which allows easy access to internal components for visual inspection, cooling, and maintenance.

Welcome to visit NAILI Compressors for Transit Application

As the traditional way to get the Compressed Air for Metro, Locomotive or Service Train!

The package of purely compressed air is necessary to keep the passagers always in safety!



Wherever it cross the tunnel, farm, city to city from day to day!

We have two options for your which is high efficiency Rotary vane compressors, or Oil free piston compressors!

To get your backup!



Please refer to NAILI AGTU or HV series to get faster air out anytime!

- Metro

- Locomotive

- Service Train

Oil Free Compressor

Oil Free Piston Compressor
Oil-free air compressors are ideally suited for applications that require pure air, including applications where a very small amount of oil in the compressed air can cause serious damage or affect product quality. Oil-free air compressors rely on alternative lubrication to completely eliminate potential contamination within the system.

Benefits
Clean Air

Maintenance free

Pollution free

Energy efficient

Reliability

Meets strict regulations

Air compressors for industrial and commercial applications
We provide one-stop screw air compressor solutions for the glass industry, food processing industry, textile industry, ceramic industry, metal fabrication industry and electronics industry.

What is a screw air compressor
The basic principle of a screw compressor is that as the male rotor and the female rotor rotate in opposite directions, they draw air between them. As the air advances with the rotor, the air is compressed as the volume space between the rotors decreases, thus producing compressed air that is displaced to the outlet. Screw air compressors are great energy savers - rotary screw compressors are typically energy efficient, and they generate less heat than regular air compressors. They consume less oil than other oil-immersed air compressors.

Electrical Bus Air Compressor - NAILI AZF series
AZF series Electrical Bus Air Compressor is the latest designs for E-bus and other E-vehicles (Automotives) made by NAILI;

Our electric vehicle compressor series has been engineered to deliver reliable and efficient performance while meeting the demanding requirements of modern electric mobility systems. Built with precision, each model from the AZF2.2 H and AZF3.0 H to the AZF4.0 H, and their high-pressure counterparts, AZF2.2 HH, AZF3.0 HH, and AZF4.0 HH offers consistent air displacement and exhaust pressure for optimal performance. Operating at a stable temperature of 110�°C, these compressors incorporate a standardized M22 x 1.5 vent design and lightweight construction (ranging from 42 to 50 kg), making them ideal for compact spaces while maintaining exceptional power output measured in kW.

Updated Features:
Separation vertical installed;

The oil carry-over is decreased to 1,5 PPM to eliminate downstream oil problems

Oil indicator fixed one two sides;

Improved accessibility for easy, quick and safe oil replacement with PTFE drain tubes.

Easier replacement of all consumable parts on the compressor

Save maintenance time, requiring less maintenance skills with the easy replaceable filters and valves.

Reliable, Efficient & Certified Rotary Vane Compressors for Industrial & Transportation Applications
NAILI is a leading manufacturer of rotary vane compressors, offering CE & ISO-certified compressed air solutions designed for energy efficiency, durability, and low maintenance. Our compressors are trusted in transportation, industrial manufacturing, mining, pharmaceuticals, and other critical sectors worldwide.

Working Principle of Rotary Vane Compressors
A rotary vane compressor is a type of positive displacement compressor that efficiently generates compressed air by using a set of rotating vanes inside a cylindrical housing. These compressors are widely used in transportation, industrial manufacturing, mining, pharmaceuticals, and packaging due to their high efficiency, reliability, and low maintenance requirements.

How Does a Rotary Vane Compressor Work?
The rotary vane compressor operates using four key stages:

Air Intake

Ambient air enters the compressor through an inlet port.

A rotor with multiple sliding vanes is positioned inside an eccentric (off-center) cylindrical housing.

Compression Process

As the rotor turns, the vanes slide outward due to centrifugal force, forming sealed air pockets between the vanes and the cylinder wall.

As the rotor rotates, these pockets reduce in size, compressing the trapped air.

Air Compression & Oil Lubrication (For Oil-Injected Models)

The air is progressively compressed as it moves toward the discharge port.

In oil-injected rotary vane compressors, oil is introduced to seal gaps, cool the air, and reduce friction.

In oil-free rotary vane compressors, the system uses specialized self-lubricating materials for a clean, oil-free compressed air supply.

Compressed Air Discharge

The compressed air exits through the discharge port, ready for use in industrial applications.

Reduce Energy Costs & Improve Performance with NAILI Compressed Air Solutions
NAILI is a global leader in energy-efficient compressed air systems, offering rotary vane compressors and oil-free piston compressors designed for maximum efficiency, reliability, and cost savings. Our solutions are widely used in transportation, industrial manufacturing, mining, pharmaceuticals, food packaging, and more.

Compressor Type and Loading Considerations
Loaded/unloaded compressors operate continuously and are ideal for sustained high loads (over 90%). Variable frequency drive (VFD) compressors adjust their speed according to the load and achieve peak efficiency with loads below 90%. Modulating compressors also adapt to demand, but they are significantly less efficient than VFDs. Often, VFDs are paired with modulating or loaded/unloaded compressors to optimize efficiency.

Select the appropriate combination of compressor types based on load and its variability.

Employ multiple compressors for backup protection in case the primary unit fails.

Determine compressor size based on the required airflow and pressure.

Why Choose NAILI for Energy-Efficient Compressed Air Systems?
High Energy Savings: Advanced compressor technology reduces power consumption by up to 30%, cutting operational costs.

Low Maintenance Design: Fewer moving parts mean less wear and tear, reducing downtime and repair costs.

Superior Performance & Reliability: Ensures consistent air pressure for critical applications, improving system efficiency.

Certified for Quality & Compliance: ISO9001, ISO14000, IATF 16949, CE, and GC-certified for global standards.

Customizable Solutions: Tailored to meet specific transportation and industrial compressed air needs.

Welcome to visit NAILI Oil free piston Compressors

Oil free air compressors from NAILI for your PSA and Dental applications

That is important to get absolute oil free air for medical applications

Oil free air has longer life because it also used in Electric buses with thousand times reciprocating movement everyday!

Welcome to visit NAILI Hydraulic Driven Rotary Vane Compressors

Hydraulic pump is widely and common to see at the outdoor machinary,

and easy to driven the vane compressor to get more compressed Air for the pneumatic Tools in construction site or Mining area!

Not only limited by above applications, and AH series compressors are also widely used in Agriculture application,

such as blowing trash from tank, and tyres infulation of tractors



Caused by Vane compressors are More reliable and easier maintenance, long life!

Compressed Air in a most efficient way to get it quicker which is using Vane!

Air Compressor For Medical
Naili can manufacture customized solutions for a wide range of compressed air applications. We can customize any medical air compressor to meet all healthcare needs. If you are interested in one of our medical grade air compressors, request a quote today! These medical pneumatic compressor are perfect for hospitals, doctors' offices, veterinarians' offices, and more!

What is a Medical Air Compressor?
A medical air compressor is a specialized device utilized in healthcare facilities to produce a continuous supply of clean and compressed air for a variety of medical purposes. These systems are essential for the proper functioning of medical equipment and procedures that depend on a stable and uninterrupted source of compressed air. Medical air compressors are engineered to adhere to stringent safety and quality standards, ensuring that the air generated is free from contaminants such as particles, moisture, and oil. The air is typically filtered and dried to prevent potential harm to patients or damage to medical instruments. In hospital settings, medical air compressors often incorporate desiccant air dryers to provide completely dry air.

Medical air compressors are commonly oil-less reciprocating or oil-less scroll compressors, which operate with high efficiency and low noise levels, making them suitable for the medical environment.

Medical Grade Air Compressors
Naili's goal is to meet the high standards required by the medical industry. Our air compressor products provide the air quality needed to keep instruments clean and patients safe. Medical grade air compressors are used to power pneumatic equipment in surgical areas, critical care areas, nurseries, operating rooms, intensive care, post-operative care, emergency rooms and more.

Low Pressure Compressor
Our low pressure compressors are the most efficient and reliable units on the market, with a package design that makes them easy to install wherever they are needed. Each component of these compressors is mounted, piped and wired for easy single point air and electrical connection. The Naili low-pressure vane air compressors is a new type of compressor developed in response to the need for low pressure requirement and energy saving. It changes the use of conventional high-pressure compressors that depressurize compressed air and then deliver it to the air plant, thus saving energy.

Industries:
Wastewater Treatment, Textiles, Food & Beverage, Medical, Transport, Petrochemicals, Packing, Paper & Printing, Pharmaceuticals, Power Industry.

Features
Reliability

Fewer moving parts means less downtime

Dynamically balanced rotor assembly ensures extremely low vibration

Carbon ring seal minimises air leakage

Lower cost of ownership

Efficiency

Multi-stage compressors combine performance with energy efficiency

Advanced impeller design provides maximum pressure control over the widest operating range

Reduced energy use and operating costs

Productivity

Easy access components make maintenance quick and easy

Simplified compressor design provides longer maintenance intervals

Maximised uptime

Low Pressure Air Compressor Advantages:
It will cause a terrible waste of electric power if choose a routine 7bar air compressor when the maximum working pressure is 2 to 5bar. Naili low pressure Vane air compressor can enlarge the air delivery under the same motor power to help you save 20% to 50% electric power.

Conform to CE, ISO9001 and energy saving certification, etc.

Designed especially for textile, cement and glass industry, etc.

Advantages
Economical and efficient

Naili offers efficient, reliable air compressors for all agricultural applications, reducing farm labor and thus increasing return on investment.

First Class Warranty

Naili backs its products and components with a first class warranty that ensures the product will function as designed for a certain period of time when used, repaired and maintained in accordance with Naili's instructions and specifications.

Built to meet high demand

Naili air compressors are designed to meet the heavy demands of the agricultural industry and maintain a long service life even after heavy daily operation.

Agricultural Compressors Uses
While there are many uses for compressors on the farm, some may be better suited for certain applications while others are not. By choosing the right tool for the job, you can ensure maximum productivity, energy efficiency and longevity of your farm equipment.

Water Pumps- Water is vital to crops, livestock and sustainable pastures. Sometimes compressed air is needed to move this vital resource to specific areas to promote growth. By ensuring that your compressor has less downtime and lasts longer, you can ensure that your livestock and crops have this life-essential ingredient.

Crop Sprayers - Many crop sprayers use compressed air, and a reliable compressor is vital to the daily operations of your farm. These types of automatic crop sprayers require large amounts of air.

Energy Efficient Air Compressor
Variable Speed Drive Air Compressors Use an intelligent drive system to continually vary the motor speed to meet air demand. The drive controls the speed (RPM) of the unit based on demand, fluctuating to perfectly match the amount of power output required. When demand slows, the compressed air system reduces the motor speed, which reduces power consumption.

Features :
Low speed; 1000rpm has just 1/3 rpm to compare with normal compressors;

Frequency controller with PM motor to saving more energy;
Low maintaining cost
Automatic flow rate control
Compact compressing unit
Control panel
Energy consumption
Air quality
Straight connection
Durable
Fan power
Reliability
Low Noise level

Low Pressure Compressor
Our low pressure compressors are the most efficient and reliable units on the market, with a package design that makes them easy to install wherever they are needed. Each component of these compressors is mounted, piped and wired for easy single point air and electrical connection. The Naili low-pressure vane air compressors is a new type of compressor developed in response to the need for low pressure requirement and energy saving. It changes the use of conventional high-pressure compressors that depressurize compressed air and then deliver it to the air plant, thus saving energy.

Industries:
Wastewater Treatment, Textiles, Food & Beverage, Medical, Transport, Petrochemicals, Packing, Paper & Printing, Pharmaceuticals, Power Industry.

Features
Reliability

Fewer moving parts means less downtime

Dynamically balanced rotor assembly ensures extremely low vibration

Carbon ring seal minimises air leakage

Lower cost of ownership

Efficiency

Multi-stage compressors combine performance with energy efficiency

Advanced impeller design provides maximum pressure control over the widest operating range

Reduced energy use and operating costs

Productivity

Easy access components make maintenance quick and easy

Simplified compressor design provides longer maintenance intervals

Maximised uptime

Low Pressure Air Compressor Advantages:
It will cause a terrible waste of electric power if choose a routine 7bar air compressor when the maximum working pressure is 2 to 5bar. Naili low pressure Vane air compressor can enlarge the air delivery under the same motor power to help you save 20% to 50% electric power.

Conform to CE, ISO9001 and energy saving certification, etc.

Designed especially for textile, cement and glass industry, etc.

Hydraulic Air Compressor For Service Truck
Our range of hydraulic air compressor for service truck utilizes a variety of technologies, including screw compressors and rotary vane compressors.Naili offers solutions for a variety of challenging applications, including over-the-road tank trucks for dry bulk and liquid transportation, a wide range of utility and electric vehicles, and on-board power delivery.

Typical Compressor Applications
Fluidizing and discharging powders, granules, pellets and feed from dry bulk tankers.

Discharge of bulk liquids from road tankers and tank containers.

Compressed air for on-board power in typical utility vehicle applications such as civil engineering, tire inflation and highway maintenance.

High-quality electric air compressors for future road and rail transportation.