PRODUCT HIGHLIGHTS

• High Efficiency VSD Control: Optimizes energy consumption for cost savings.

• 4BAR Design: Provides robust air delivery for heavy-duty applications.

• Compact Size: Easy to install and maintain in tight spaces.

• Durable Construction: Built to withstand industrial environments.

• VSD/Star Delta Start: Ensures smooth startup and efficient operation.

SCENE IMAGE

Technical Advantages  

1. Significant Energy Savings: Operating a standard 8-bar compressor throttled down to 4 bar wastes roughly 20–30% more power. A native 4-bar compressor reduces the internal pressure ratio, directly cutting motor power consumption. Higher 

2. Free Air Delivery (FAD): Provides a much larger volume of airflow per kilowatt of input power compared to high-pressure equivalents. 

3. Lower Operating Temperatures: Reduced compression ratios lower thermal stress on internal components, extending lubricant life and overall equipment durability. 

4. Continuous Duty Cycle: Designed to run non-stop under heavy industrial loads with low noise and vibration.

Features

1. Low-Pressure Air-End: Features longer rotor profiles or custom displacement geometries tailored specifically to compress air to 4 bar without over-compression. 

2.  Variable Frequency Drive (VFD): Frequently integrated to automatically match motor speed to real-time plant air demand, maximizing efficiency. 

3. Oil-Injected or Oil-Free Options: Oil-injected models offer maximum longevity and cooling, while oil-free variants are used in sensitive environments like food processing or textiles.

Typical applications:

1. Textile industry: air-jet weaving looms, fiber blowers, pneumatic textring

2. Glass manufacturing: bottle blowing, mold cooling, pneumatic conveyance.

3. Pneumatic conveying: transporting bulk powder, cement, or grain through piping.

4. Aeration and wastewater treatment: oxygenating bio-reactors, water treatment tanks, and fermentation.

DETAIL SHOT

ABOUT THE SUPPLIERShanghai Royal Machinery Co.,Ltd is a professional company of industrial air compressors, air treatment and air compressor spare parts, with engineers and sales people who have over 8 years experience, Royal Machinery has two business divisions, one is our own brand products, the other brands are Ingersoll Rand and Compair products. We have been marketing industrial compressed air equipment to global market since 2017 and the main assembling plants cover more than 50,000 square meters and 320 employees. The range of our compressors supplying start from the smallest compressors used by individuals to very large compressors used in heavy industrial applications. We started the business as a close partner to our customers, our sales team can provide you competitive price with high quality products, with our customers supporting, our team will get all the orders fulfilled on time and provide you excellent after-sales service. Our product range represents the most comprehensive portfolio of compressed air equipment offered for thousands of applications in the Oil, Textile, Food, Marine, Mining and many other industries. Our products consist of medium and high pressure reciprocating compressors, oil-injected screw compressors, oil free screw compressors, vane compressors, centrifugal compressors, portable compressors, CNG compressors and CNG related equipment, also high pressure scuba air compressors. Our mission is to bring China assembled compressors of good quality and service, with attractive price for all the customers all over the world. You are welcomed to be developed with us together for a fruitful future.

COMPANY OVERVIEW

Our Services

Our Services

1. Pre-Sales Services

Technical Consultation

• Compressed air demand analysis (CFM / m³/min)

• Pressure selection (7 bar, 8 bar, 10 bar, 13 bar, 20 bar etc.)

• Application matching (laser cutting, textile, food, mining)

System Design

• Complete compressed air station planning

• Equipment selection:

• Rotary Screw Air Compressor

• Refrigerated Air Dryer

• Desiccant Air Dryer

• Air Receiver Tank

• Precision Air Filter

Energy Saving Proposal

• VSD / VFD solution

• Heat recovery system

• Energy consumption calculation

2. Sales & Supply Services

• OEM / ODM manufacturing

• Custom voltage (380V / 400V / 415V / 220V / 460V)

• CE, ISO certification support

• Export packing (wooden case, steel base frame)

• International shipping & documentation

3. After-Sales Service

Routine Maintenance

• Air filter replacement

• Oil filter replacement

• Separator replacement

• Lubricant oil change

Technical Support

• Remote troubleshooting

• Spare parts supply

• Maintenance manuals (English / Russian / Spanish)

Major Overhaul

• Airend repair

• Motor maintenance

• Controller upgrade

Our product range

1. Oil-injection Screw air compressor (single stage compression, two stage compression, high pressure and low pressure.)

2. Dry Oil-free Screw air compressor

3. Oil-free water lubricated screw air compressor

4. Oil-free scroll air end and scroll air compressor

5. Oil-free/Oil-lubricated piston compressor

6. Diesel engine Screw air compressor

7. Oxygen/Nitrogen generators/boosters

8. High Pressure Breathing Air Compressor

9. Refrigerant air dryer/ Desiccant air dryer

10. Precision line filter/ water separator                     

11. High pressure piston air compressors and air booters.

12. Oil free screw blowers

13. 16bar 20bar screw air compressor set

FAQ

1. What's the warranty of your air compressors

we give screw airend 2 years warranty, complete compressor unit 1 year;  oil-free scroll air compressors we give 2 years warranty.

2. Can you do OEM?

Yes, we accept OEM and ODM orders for all our air compressors.

3. What is the delivery time of the air compressor?

It depend on customer order quantity, for regular voltage and pressure air compressors, our lead time 7 days, if big quantity we need 10-20days to prepare.

4. What's the MOQ

We accept all of our air compressors MOQ 1 unit.

5. Can your air compressors work at high ambient temperature like 50℃ above please?

Yes, our oil injection screw air compressors are support to work at high temperature environment, for oil-free water-lubrication screw air compressors, we will design it to be with air cooling or water cooling according to ambinet temperature.

6. Can your air compressor work at low temperature like -20℃ below?

Yes our air compressor is working very good in area like North of China and Russia.

7. Do you have installation or maintenance video?

Yes, we can offer our air compressor installation and maintenance video to customers.