OEM Injected Rotary Screw Compressor Manufacturer & Suppliers

Precision Engineering, High Energy-Efficiency, and Factory 4.0 Reliability for Global Industrial Air Systems

Product Portfolio

High-Efficiency Compressed Air Solutions

China Low Noise Dry Type Oil Free Screw Air Compressor

China Low Noise Dry Type Oil Free Screw Air Compressor oilless industrial air compressor rotary air compressor Manufacturer, Suppliers

Designed for critical environments requiring completely dry, oil-free compressed air with advanced acoustic attenuation enclosures.

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ODM Four in One Screw Air Compressor

ODM Four in One 7.5KW 11KW 15KW 22KW Screw Air Compressor 300L 500L 600L Air Tank, With Dryer and Filters Manufacturers, Factories

An all-in-one integrated air system comprising a rotary screw air end, receiver tank, refrigerated dryer, and multi-stage filtration.

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China Double permanent magnet motor integrated two-stage compression

China Double permanent magnet motor integrated two-stage compression series Manufacturers, Exporter

Features dual permanent magnet motors driving independent two-stage screw rotors for maximum energy savings.

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ODM Energy Saving Air Cooling Screw Compressor

ODM Energy Saving Air Cooling Screw Compressor Two Stage Direct Driven Screw Air Compressor Manufacturers, Exporters

Optimized air-cooling configuration with a two-stage direct-driven configuration, maintaining lower thermal load.

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China Silent Explosion Proof Energy Saving Air Compressor

China All In One Slient Explosion Proof Industrial Air Compressor Energy Saving Screw Air Compressor 4 in1 Suppliers, Factories

Certified explosion-proof rotary screw compressor designed for chemical, oil & gas, and dangerous powder environments.

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ODM Diesel Engine Power Screw Air Compressor

ODM Diesel Engine Power Screw Air Compressor Stationary with Engine Cummins/ Yuchai/ Weichai Manufacturer, Supplier

Stationary configuration powered by heavy-duty Cummins, Yuchai, or Weichai engines for remote infrastructure projects.

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China Low Pressure Screw Air Compressor

China AC Power 0.3mpa to 0.5mpa 3bar -5bar Low Pressure Screw Air Compressor for Industrial Electrical Factory, Exporter

Specially calibrated for glass manufacturing, textiles, and other low-pressure applications requiring high volumetric flow rates.

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20+
Years Engineering Experience
35%
Average Energy Savings (VSD)
IP55/54
Motor Protection Standard
0.8-1.2
m³/min Flow Range (7.5kW)
Technical Whitepaper

Thermodynamics & Design Evolution of Oil-Injected Screw Compressors

In modern manufacturing processes, compressed air is often referred to as the "fourth utility." For global enterprises, selecting an OEM Injected Rotary Screw Compressor is not merely a purchasing transaction; it is a critical thermodynamic engineering decision. Injected rotary screw compressors utilize a high-precision lubricant fluid injected directly into the compression chamber. This fluid serves three fundamental purposes: sealing the microscopic clearances between the male and female rotors, absorbing the heat of compression to maintain near-isothermal efficiency, and lubricating the heavy-duty bearings.

Technical Roadmap & Future Outlook

The mechanical engineering paradigm for rotary screw compressors is rapidly shifting towards smart integration. The historical standard of utilizing constant-speed induction motors mated to a belt-drive system has given way to direct-coupled Permanent Magnet (PM) synchronous motors controlled by variable speed drive (VSD) inverters. In our advanced technical roadmap, we focus on the integration of Two-Stage Compression.

By splitting the compression ratio across two separate stages (low pressure and high pressure air ends), the interstage oil cooling injection significantly lowers the inlet temperature of the second stage. This reduces the total power consumption by 10% to 15% compared to single-stage units. Furthermore, future-ready designs incorporate IoT-enabled microprocessors that continuously monitor vibration, discharge temperatures, and pressure drops across the oil coalescing filters, providing real-time data for predictive maintenance.

Asymmetrical Rotor Profiles

Advanced 5:6 lobe rotor design reduces internal leakage paths, optimizing volumetric efficiency at lower rotational speeds.

IE4 Permanent Magnet Motors

Synchronous liquid-cooled PM motors offer high torque-to-inertia ratios, retaining 96%+ efficiency even at 25% load.

Heat Recovery Systems

Up to 75% of wasted thermal energy is recovered via custom heat exchangers to produce industrial hot water.

Macro Industry Solutions & Engineering Deployments

Rotary screw air compressors are tailored for continuous duty operations, operating 24/7 with minimal structural downtime. Different industries require customized compressed air dynamics to protect downstream instrumentation:

  • Automotive & Heavy Assembly: Reliable air volume drives heavy-duty pneumatic tooling, robotic actuators, and surface-coating paint lines. Here, oil-injected units are integrated with sub-micron filtration and desiccant dryers to ensure silicon-free, zero-crater painting environments.
  • Food, Beverage & Pharmaceuticals: Although oil-injected compressors are utilized for utility air, they require active separation. When used with downstream charcoal towers and oil-coalescing filtration systems, oil carryover can be brought down to Class 1 ISO 8573-1 standards. Alternatively, our dry-type oil-free screw lines are designated for direct-contact food/drug processing.
  • Textile & Spinning Factories: Operating in dusty, lint-laden environments requires specialized filtration. Our low-pressure screw compressors (0.3MPa to 0.5MPa) provide optimized air volume directly matching the requirements of air-jet spinning machines, preventing energy wastage from over-compression.

China Factory 4.0: Supply Chain Resilience & Efficiency Advantages

Manufacturing in Shanghai, China, at the Malu Town industrial facility allows Shanghai Honest Compressor Co., Ltd. to harness a highly mature precision manufacturing cluster. By implementing Factory 4.0 standards, our assembly lines feature digital torque control systems, automated performance test bays compliant with ISO 1217 Annex C, and coordinate measuring machines (CMM) to verify rotor profile accuracies down to the micron level.

This level of vertical integration means that we don't just assemble parts—we engineer the performance parameters of the air end, optimize the thermal dissipation of the casting jackets, and program the proprietary PLC logic boards. The resulting supply chain resilience enables us to guarantee on-time delivery for large-scale OEM orders, maintain competitive pricing without sacrificing component quality, and provide custom modifications for unique voltage/frequency configurations (e.g., 380V/50Hz, 460V/60Hz, 230V/3Ph).

Global Procurement Guide: Engineering Specifications to Consider

When evaluating suppliers for industrial-grade compressors, procurement officers and engineering leads must focus on metrics beyond the initial purchase price. The Total Cost of Ownership (TCO) of an air compressor over a 10-year span consists of 70% energy consumption costs, 18% maintenance and consumables, and only 12% initial capital investment.

Therefore, demanding verified performance documentation is paramount. Key parameters include the Specific Energy Consumption (SER), measured in kW/(m³/min). A lower SER translates directly into millions of kilowatt-hours saved over the system's operational lifespan. Additionally, confirm that pressure vessels conform to localized regulations: ASME certificates for North America, CE-PED certifications for Europe, and SQL/MOM approvals for regions in Asia.

Model Series Motor Power (kW / HP) Working Pressure (bar / psi) Free Air Delivery (m³/min) Cooling Method Noise Level dB(A)
XD-8A Series 7.5 kW / 10 HP 7 - 12 bar (101 - 174 psi) 0.8 - 1.2 m³/min Air Cooled < 63 dB(A)
Mid-Range Industrial 55 kW / 75 HP 8 - 13 bar (116 - 188 psi) 6.5 - 10.2 m³/min Air / Water Cooled 68 ± 2 dB(A)
High-Power Two-Stage 110 - 132 kW / 150 - 180 HP 8 - 10 bar (116 - 145 psi) 18.5 - 25.2 m³/min Dual Fan Air-Cooled 72 ± 2 dB(A)
Heavy-Duty Series 280 - 315 kW / 375 - 420 HP 7.5 - 13 bar (108 - 188 psi) 35.0 - 52.5 m³/min Water-Cooled / VSD 76 ± 3 dB(A)

Localized Support & Compliance Safeguards

Deploying high-power air compressors internationally requires a robust warranty structure and rapid parts availability. Our OEM and ODM service networks span across multiple continents, offering localized maintenance kits (including high-capacity oil filters, air filters with 99.9% filtration accuracy, and premium synthetic coolant).

Through our partners, we offer startup assistance, commissioning support, and comprehensive troubleshooting protocols. Our smart PLCs support Modbus and CAN bus communications, allowing field engineers to interface with centralized SCADA systems to manage sequence operations, balance system loads, and prevent unnecessary start-stops that cause peak electrical current surges.

F.A.Q.

Engineering Questions & Critical Insights

What is the primary difference between oil-injected and dry-type oil-free rotary screw compressors?

Oil-injected compressors introduce lubricating fluid directly into the compression chamber, which seals clearances, lubricates bearings, and controls the heat of compression. The oil is then separated via a mechanical and coalescing filter system down to <2-3 ppm. Dry-type oil-free screw compressors feature timing gears to sync the rotors without them ever touching, meaning no lubrication is present in the compression chamber, yielding completely oil-free air naturally.

Why choose a Permanent Magnet (PM) VSD compressor over a fixed-speed compressor?

A fixed-speed compressor runs continuously at full speed, using an inlet valve to throttle air when demand falls, which wastes substantial energy in "unloaded" states. A Permanent Magnet VSD compressor dynamically accelerates or decelerates the PM motor to match your exact air demand. By matching the output flow curve to plant usage, energy consumption can drop by up to 35% to 50%, while eliminating high starting-current spikes.

How does a two-stage rotary screw compressor improve specific power consumption?

By splitting the total pressure ratio into two separate stages, the pressure ratio per stage is significantly lower. This reduces internal slippage (leakage) across the rotors. Additionally, cooled lubricant is injected between the stages, reducing the temperature of the air entering the second stage. Lower air temperature increases the air density, requiring less work to compress it to final pressure, improving overall efficiency by up to 15%.

What maintenance interval is expected for industrial oil-injected compressors?

Routine maintenance involves changing the air filter element, oil filter element, and lubricating oil every 2,000 to 4,000 operational hours (depending on environmental dust levels and oil quality). The oil separator cartridge is typically replaced every 4,000 to 8,000 hours, or when the pressure drop across the separator exceed 0.8 to 1.0 bar.
Engineering Gallery

Advanced Vacuum & Industrial Screw Units

OEM Hot Sale China Factory High Quality Screw Vacuum Pump

OEM Hot Sale China Factory High Quality Screw Vacuum Pump Permanent Magnet Frequency Conversion Progressive Pump Factories, Exporters

Employs permanent magnet frequency conversion technology to deliver continuous, reliable industrial vacuum suction.

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OEM Oil-cooled two-stage permanent magnet screw air compressor

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Designed with an integrated oil-cooling loop for the permanent magnet motor, ensuring optimal motor operation temperatures.

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OEM 30kw Industrial Oil Free Vsd Screw Air Blower

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A low-pressure, high-flow oil-free blower system for wastewater aeration, pneumatic conveying, and vacuum generation.

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China IP55/54 55KW Two Stage Industrial Screw Compressor

China IP55/54 55KW 75HP Factory Price Two Stage Industrial Screw Type Air Compressor Machine Suppliers, Exporters

High-reliability 55kW system featuring robust IP55 enclosure protection for harsh, dusty manufacturing conditions.

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ODM electrical motor PM AC ASD vacuum pump

ODM electrical motor PM AC ASD rotary air vaccum pump compressor screw compressor Factories, Exporter

Multipurpose rotary screw machinery operating as both a vacuum pump and air compressor utilizing PM AC motor drives.

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ODM Double screw air compressor with inverter

ODM Double screw air compressor with inverter and VSDPM motor for energy saving Manufacturers, Suppliers

Advanced double-screw system integrated with high-efficiency variable speed control for dynamic pressure management.

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ODM Fixed Speed Screw Air Compressor

ODM Fixed Speed Screw Air Compressor Industrial Air Compressor From 7.5kw To 400kw AC Power Screw Compressor Supplier, Suppliers

Heavy-duty fixed speed series ranging from 7.5kW up to 400kW, built for continuous air supply in base-load configurations.

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China Two-stage 132kw high power Screw Air Compressor

China Two-stage 132kw high power Energy-Saving Screw Air Compressor with Variable Frequency Permanent Magnet Factory, Exporter

Engineered for large industrial plants, combining a 132kW air end with two-stage efficiency and permanent magnet drive.

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About Shanghai Honest Compressor

About Us & Manufacturing Pedigree

Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise founded in early 2004. Our primary manufacturing facility is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. Over the last two decades, we have grown into a large-scale manufacturing enterprise specializing in twin-screw air compressors, gas separation equipment, and customized air solutions.

We manufacture a broad range of compressed air products, including low, medium, and high-pressure piston compressors, oil-free systems, dry-type blowers, refrigerant compressors, refrigerated air dryers, precision coalescing filters, and advanced ceramic membrane filtration systems.

Honest Compressor Factory Workshop
Precision Assembly Line
Rotor Milling Machine
Quality Testing Station
Finished Screw Compressor Units

Corporate Profile Summary

  • Ownership: British-Owned Enterprise
  • Established: 2004
  • Factory Location: Jiading District, Shanghai, China
  • Capability Range: 3 kW to 480 kW Systems
  • Standards Compliance: ISO 9001, CE, ASME, ISO 1217
  • Export Scope: North America, Europe, SE Asia, Middle East
Exhibitions & Insights

Events, Trade Shows & Market Dynamics

Industrial Compressor Trade Show Booth

Global Industrial Expos

Shanghai Honest Compressor actively participates in global trade fairs such as Hanover Messe, Canton Fair, and PTC Asia. These platforms allow us to showcase our newest high-power, two-stage permanent magnet screw compressors and connect directly with engineering firms, regional distributors, and OEM buyers.

Market Focus

Dry Vacuum Pump Market Size & Trends

According to MRFR analysis, the dry vacuum pump market size is valued at US$ 5.97 billion in 2024. The dry vacuum pump market is expected to grow from US$ 6.17 billion in 2025 to US$ 8.28 billion in 2034, registering a steady compound annual growth rate. This structural transition matches our active design efforts in developing premium screw vacuum pumps and oil-free blowers to satisfy the requirements of advanced semiconductor, chemical processing, and clean-room environments.