ISO 9001 & ATEX Certified Manufacturing

OEM Gas Air Compressor Supplier & Factory

Custom High-Pressure & Oil-Free Screw Gas Boosters, Process Air Solutions, and Energy-Saving VSDPM Industrial Air Compressors Engineered for Global Heavy Duty Operations.

Product Catalog Part I

Featured OEM Gas & Air Compressor Systems

Explore our advanced product lineup engineered with water-lubricated Class 0 technology, two-stage efficiency, and permanent magnet VFD energy control.

China Smart energy saving water lubricating 100% oil free screw air compressor

China Smart Energy Saving Water Lubricating 100% Oil Free Screw Air Compressor

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OEM Energy Saving Air Cooling Screw Compressor Two Stage Direct Driven

OEM Energy Saving Air Cooling Two Stage Direct Driven Screw Air Compressor

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OEM Double permanent magnet motor integrated two-stage compression series

OEM Double Permanent Magnet Motor Integrated Two-Stage Compression Series

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China Permanent Magnet VFD Rotary Screw Compressor 11kW

China Permanent Magnet VFD Rotary Screw Compressor 11kW Manufacturer

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OEM Variable Frequency Drive Air Compressor 15kW Energy Saving

OEM Variable Frequency Drive Air Compressor 15kW Energy Saving

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OEM Double screw air compressor with inverter and VSDPM motor

OEM Double Screw Air Compressor with Inverter & VSDPM Energy Saving Motor

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China Horizontal two-stage pressure screw air compressor

China Horizontal Two-Stage Pressure Screw Electric Compressor Factory

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OEM Oil Free Water Lubricated Screw Air Compressor 37kW

OEM Oil Free Water Lubricated Screw Air Compressor 37kW Supplier

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Industry Whitepaper & Technical Insights

Macro Industry Solutions: Navigating the Global Gas & Air Compression Landscape

As global manufacturing shifts toward carbon neutralization, stringent emission thresholds, and decentralized energy production, the demand for high-reliability OEM Gas Air Compressors and specialized process gas boosters has escalated. Industrial gas compression systems are no longer generic power utilities—they are highly tailored thermal fluid systems engineered to operate under continuous heavy-duty cycles.

Energy Transition & Biogas Boosters

Modern renewable energy sites require dedicated biomethane compression (biogas upgrading to pipeline grade at 0.8–1.6 MPa). Our OEM manufacturing lines customize specialized stainless steel gas compressors with anti-corrosive seals handling H2S and humid CO2 content seamlessly.

Petrochemical & Hazardous Process Gases

In chemical refinement, helium recovery, nitrogen boosting, and flare gas recovery, absolute containment is paramount. We build ATEX Zone 1/2 compliant gas compressors with mechanical magnetic drives and double-acting distance pieces to guarantee zero volatile organic compound (VOC) emissions.

Ultra-Clean Class 0 Food & Electronics

Pharmaceutical cleanrooms and semiconductor wafer fabrication require absolute purity. Our 100% water-lubricated oil-free rotary screw gas and air compressors eliminate oil contamination at the source, meeting ISO 8573-1 Class 0 standards without oil vapor carryover.

35% - 48%
Average Energy Reduction via PM VFD
ISO 8573-1
Certified Class 0 Air & Gas Purity
API 619 / 618
Compliance Ready Design Architecture
50,000+ m²
State-of-the-Art Production Facility
Engineering Excellence

OEM Gas Air Compressor Technical Blueprint & Customization

As a dedicated original equipment manufacturer (OEM) and ODM supplier based in Shanghai, we provide industrial partners with full-spectrum custom engineering. From rotor metallurgy selection to localized micro-controller software, our systems are optimized for lifetime cost of ownership (TCO).

Engineering Parameter Standard Oil-Injected Screw Two-Stage PM VFD Screw Water-Lubricated Oil-Free OEM Gas Booster (CNG/Process)
Discharge Pressure Range 0.7 - 1.3 MPa 0.8 - 4.0 MPa 0.7 - 1.6 MPa Up to 25.0 MPa
Specific Energy Consumption 6.8 - 7.5 kW/(m³/min) 5.2 - 5.8 kW/(m³/min) 6.1 - 6.6 kW/(m³/min) Variable by Gas Molecular Weight
Rotor & Housing Metallurgy Ductile Iron / Carbon Steel Forged Alloy Steel 40Cr 316L Stainless Steel / Ceramic Duplex Stainless / Inconel Coated
Air Purity Rating ISO 8573-1 Class 2-3 ISO 8573-1 Class 2 ISO 8573-1 Class 0 (Oil Free) Zero Contamination Hermetic Seal
Turn-Down Speed Control Fixed Speed / Load-Unload 25% - 100% (VSD Permanent Magnet) 30% - 100% (VFD Direct Drive) Explosion-Proof VFD Inverter
Hazardous Area Rating Standard Industrial Non-Ex Optional Zone 2 ATEX Cleanroom / Safe Area ATEX Zone 1/2, Ex d IIB T4 / IIC

Thermodynamic Advantage of Two-Stage Compression in Gas Applications

In high-pressure gas compression, single-stage compression experiences elevated discharge temperatures and excessive volumetric efficiency loss due to high pressure ratios ($r_p = P_2 / P_1$). By utilizing a Two-Stage Rotary Screw Gas Air Compressor, the total compression duty is divided across two distinct rotor sets with inter-stage cooling. This reduces the polytropic compression exponent close to an ideal isothermal process, resulting in an immediate 15% to 25% reduction in electrical power consumption for identical volumetric outputs.

Global Operations & Compliance

International Regulatory Standards & Local Support System

Operating across 50+ export markets requires rigorous engineering compliance with regional pressure vessel directives, electrical codes, and environmental laws. Our OEM engineering office works directly with global EPC contractors and distributors to simplify field integration.

North American Compliance

Equipped with NEMA Premium efficiency motors, ASME Section VIII Division 1 pressure vessels, and UL/CSA certified control panels. Designed to satisfy stringent OSHA 1910 workplace safety standard noise limits (<75 dBA at 1 meter).

European Union & UK Standards

Fully compliant with CE-PED (Pressure Equipment Directive 2014/68/EU), Machinery Directive 2006/42/EC, and Ecodesign requirements. ATEX Directive 2014/34/EU certification is available for hazardous gas zones.

Middle East & Tropical Site Engineering

Custom ambient cooling packages designed for continuous operation in +55°C desert environments. Heavy-duty heavy-dust intake filtration systems and anti-corrosive marine-grade cabinet coatings for offshore installations.

Application Engineering

Specialized Industrial Application Scenarios

Our customized gas air compressor solutions are deployed across heavy industries requiring high uptime, continuous duty cycles, and uncompromised air quality.

CNG & Natural Gas Vehicle Refueling

Durable mother-and-daughter refueling station compressors featuring heavy-duty gas booster blocks, integrated blowdown recovery, and multi-stage gas filtration to safeguard vehicle fuel injectors.

Laser Cutting & Nitrogen Generation

High-pressure 1.6 - 4.0 MPa specialized air compressors engineered to supply stable, oil-free high-pressure air directly to fiber laser cutting heads and onsite PSA nitrogen generators.

PET Bottle Blowing Plants

Two-stage high-efficiency booster configurations supplying dry, oil-free compressed air at continuous high pressures for high-speed automated blow molding assembly lines.

Innovation Roadmap

Technological Roadmap & Next-Gen Innovations (2025–2030)

As an industry leader, our R&D center in Shanghai continuously advances fluid mechanics, smart algorithms, and eco-friendly thermal systems.

AI-Driven IoT Predictive Maintenance

Integrating micro-vibration sensors and thermal imaging modules directly into compressor airends. Dynamic cloud analytics predict bearing degradation and oil oxidation weeks before critical failure.

High-Efficiency Waste Heat Recovery (WHR)

Over 94% of the electrical energy consumed by an air compressor is converted into heat. Our built-in heat exchanger option converts rejected thermal energy into 70°C to 85°C process hot water for plant boilers and sanitation.

Hydrogen Blending & Ultra-High Pressure Seals

Engineering specialized mechanical dry-gas seals designed for pure Hydrogen (H2) and CO2 supercritical transportation to meet global decarbonization demands.

Technical Knowledge Center

Frequently Asked Questions (FAQ)

In-depth answers to critical procurement, technical, and engineering inquiries regarding OEM Gas Air Compressors.

Q1: What is the main difference between an industrial air compressor and a process gas compressor?
An atmospheric air compressor compresses ambient room air containing standard oxygen and nitrogen ratios. A process gas compressor is specifically sealed and engineered to compress specific single or mixed gases (such as Natural Gas, Methane, Nitrogen, Biogas, or CO2). Gas compressors utilize non-reactive metallurgies (e.g., 316L or Duplex steel), zero-leakage mechanical gas seals, and explosion-proof electrical enclosures (ATEX / IECEx) to prevent toxic leaks or explosive ignition.
Q2: How much energy can a Permanent Magnet Variable Frequency Drive (PM VFD) compressor save?
In typical manufacturing plants where air demand fluctuates throughout the shifts, fixed-speed compressors waste substantial power during blowing off or idling modes. A PM VFD compressor matches motor RPM directly to system air consumption down to 25% turn-down speed. This eliminates load-unload power spikes, maintains steady system pressure (+/- 0.01 MPa), and yields verifiable electricity savings between 20% and 40% annually.
Q3: Why choose Water-Lubricated Oil-Free over Dry-Type Oil-Free Screw Compressors?
Water-lubricated compressors utilize purified water injected directly into the compression chamber. Water seals internal clearances, provides supreme cooling (keeping compression below 50°C near-isothermal ideal), and eliminates the high rotational speeds and expensive Teflon rotor coatings required by dry screw compressors. Water lubrication guarantees ISO 8573-1 Class 0 air at lower capital outlay and lower long-term maintenance costs.
Q4: What technical specifications are required for an accurate OEM Gas Compressor quotation?
To provide an engineered proposal, our factory technical team requires: (1) Gas Composition & Molecular Weight; (2) Suction/Inlet Pressure & Temperature; (3) Target Discharge Pressure; (4) Required Volumetric Flow Rate (Nm³/h or CFM); (5) Onsite Electrical Power Supply (Voltage/Frequency e.g., 380V/50Hz/3Ph or 460V/60Hz); and (6) Hazardous Area Classification (e.g., Safe area vs Zone 1 ATEX).
Q5: Does your Shanghai factory provide white-label OEM manufacturing for global brands?
Yes, we specialize in complete OEM and ODM partnership programs. We offer complete custom branding, color-matched powder coatings, custom PLC controller software in local languages, customized enclosure footprints, and full documentation branded under your company's credentials.
Product Catalog Part II

Industrial Compressors, Blowers & Vacuum Machinery

Complete industrial air solutions including high-pressure screw blowers, dry screw vacuum pumps, and heavy-duty VFD air compressors.

OEM 18.5kW 25HP Industrial VFD PM Screw Air Compressor

OEM 18.5kW 25HP Industrial VFD PM Screw Air Compressor Factory

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ODM PM VSD Oil-Free Screw Blower

ODM Permanent Magnet VSD Oil-Free Screw Blower Exporter

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ODM EOF Oil-Free Dry Screw Compressor 100% Oil-Free PM VFD

ODM EOF Oil-Free Dry Screw Compressor 100% Oil-Free PM VFD

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OEM 30kW Water Lubricated Oil Free VSD Screw Air Compressor

OEM 30kW Water Lubricated Oil Free VSD Screw Air Compressor

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OEM Industrial Energy Saving PM Motor VSD VFD Rotary Screw Air Compressor

OEM Industrial 15kw to 75kw Energy Saving PM Motor VFD Screw Compressor

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China Honest Compressor EOF series Oil-Free Dry Type Screw Compressor

China Honest EOF Series Oil-Free Dry Type Screw Compressor 100% PM VFD

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China 30kw Industrial Oil Free Vsd Screw Air Blower Vacuum Pump

China 30kw Industrial Oil Free VSD Screw Blower Vacuum Pump with PLC

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China 110Kw 150Hp Two-Stage Rotary Screw Air Compressor

China 110kW/150HP Two-Stage Rotary Screw Air Compressor Permanent Magnet

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Partner with Shanghai's Premier OEM Gas Air Compressor Factory

Whether you require a custom process gas booster station, white-label industrial air compressors, or energy audit consultation for plant retrofits, our senior engineers are ready to design your optimal solution.