Two-Stage Screw Air Compressor
Your Professional Two-Stage Screw Air Compressor Supplier
Industrial two-stage screw air compressors are engineered for manufacturing facilities, continuous processing plants, and heavy-duty compressed air stations requiring stable operating pressure and controlled specific power.
The product range covers industrial rotary screw configurations designed to match distinct airflow, working pressure, motor power, cooling method, and electrical requirements. To support complete system engineering, downstream compressed air equipment is also supplied, including refrigerated and desiccant air dryers, precision inline filters, oil-water separators, and industrial nitrogen generation systems, enabling plant operators and system integrators to source main compressors and treatment packages from a single source.
Typical Technical Specifications Reference Matrix
|
Model Series |
Motor Power (kW / HP) |
Free Air Delivery (m3/min / CFM) |
Working Pressure (bar / psi) |
Drive Type |
Cooling Method |
|
TF-2S-37 |
37 kW / 50 HP |
6.2 - 6.8 m³/min (219 - 240 CFM) |
7 - 10 bar (100 - 145 psi) |
Fixed Speed / VSD |
Air-Cooled / Water-Cooled |
|
TF-2S-55 |
55 kW / 75 HP |
9.5 - 10.2 m³/min (335 - 360 CFM) |
7 - 13 bar (100 - 188 psi) |
Fixed Speed / VSD |
Air-Cooled / Water-Cooled |
|
TF-2S-75 |
75 kW / 100 HP |
13.5 - 14.5 m³/min (477 - 512 CFM) |
7 - 13 bar (100 - 188 psi) |
Fixed Speed / VSD |
Air-Cooled / Water-Cooled |
|
TF-2S-110 |
110 kW / 150 HP |
20.0 - 21.5 m³/min (706 - 759 CFM) |
7 - 13 bar (100 - 188 psi) |
Fixed Speed / VSD |
Air-Cooled / Water-Cooled |
|
TF-2S-160 |
160 kW / 215 HP |
28.5 - 30.5 m³/min (1006 - 1077 CFM) |
7 - 13 bar (100 - 188 psi) |
Fixed Speed / VSD |
Water-Cooled Recommended |
Why Choose Us
Multi-Brand Equipment Sourcing and Integration: We evaluate, select, and integrate world-class imported screw compressors, centrifugal compressors, vacuum pumps, and downstream air treatment equipment to match precise industrial operational requirements.
Rigorous Pre-Sale Sourcing and System Sizing: Technical teams analyze actual plant air delivery, working pressure profiles, duty cycles, ambient conditions, and local electrical standards to prevent miscalculations and ensure optimal energy efficiency.
Full-Lifecycle Maintenance and Spare Parts Support: Backed by deep expertise in major international compressor technologies, we maintain robust logistics for genuine replacement parts, maintenance kits, and technical overhaul services to guarantee long-term operational continuity.
Core Product Advantages of Two-Stage Screw Air Compressors
Lower Compression Ratio Per Stage
By splitting the total pressure differential across two separate airends, the pressure ratio handled by each stage is significantly reduced. This minimizes internal air slippage, lowers mechanical stress on bearings and rotors, and extends the operational service life of core components.
Optimized Specific Power Efficiency
Interstage cooling reduces the temperature of the compressed air before it enters the second stage. This near-isothermal compression process requires less mechanical work per unit of volume, directly lowering specific power and reducing long-term electricity operating costs under continuous multi-shift loads.
Enhanced Volumetric Efficiency
The continuous injection and thermal regulation of high-purity oil inside the airends provide superior sealing and internal cooling. This ensures consistent, high-volume Free Air Delivery even when operating at elevated discharge pressures or demanding industrial duty cycles.
Superior Pressure Stability Under Heavy Loads
Designed for facilities requiring uncompromised operational continuity, the balanced staging and responsive control architecture maintain strict pressure stability, preventing production downtime caused by pressure fluctuations in pneumatic manufacturing networks.
Two-stage screw compressors serve as primary utility equipment across heavy industries where compressed air downtime impacts entire production lines:
Metal Processing & Fabrication: Powering pneumatic assembly tools, CNC machinery, material handling systems, and automated production lines.
Automotive Manufacturing: Supplying continuous compressed air for robotic welding, pneumatic clamping, painting booths, and assembly tooling.
Chemical & Petrochemical Plants
Driving pneumatic control valves, instrumentation systems, and continuous process utilities under rigorous operating conditions.
Pharmaceutical & Food Processing
Providing stable air supply integrated with strict downstream filtration, drying, and oil-removal equipment to maintain required air purity.
Textile & Heavy Manufacturing
Supporting large-scale pneumatic machinery where continuous operation dictates total life-cycle energy costs.
Unit Control & Monitoring System
Reliable industrial operation relies on sophisticated microcomputer control architectures designed for multi-shift facilities:
Controller Features
Programmable logic controllers featuring multi-line digital displays, real-time pressure/temperature monitoring, and automated fault diagnostics.
Protection Functions
Automated shutdown and warning triggers for high discharge temperature, motor overload, abnormal phase sequence, low oil pressure, and clogged separation filters.
System Integration
RS485 communication interfaces supporting Modbus protocol, enabling remote monitoring from central plant SCADA systems or multi-machine interlocking for staggered load sharing.
Two-Stage Screw Air Compressor System Architecture
A two-stage screw air compressor splits the total pressure increase across two separate compression stages rather than completing the entire compression cycle within a single element.
First-Stage Compression: Atmospheric air drawn through the inlet valve is compressed in the first screw airend to an intermediate pressure level.
Interstage Cooling: Compressed air passes through an intermediate cooling zone where injected lubricant and thermal exchange reduce the air temperature before it enters the second stage.
Second-Stage Compression: The cooled air enters the second screw element to reach the final required discharge pressure.
This arrangement reduces the individual compression ratio per stage, lowers internal leakage, and optimizes thermodynamic efficiency. In oil-injected models, the circulating fluid provides continuous sealing, lubrication, and thermal management. For heavy-duty industrial applications with long operating hours, this design lowers specific power consumption compared to traditional single-stage alternatives operating under identical duty profiles.
Site Installation & Environmental Adaptability Guidelines
Industrial air compressor placement must account for local environmental factors to ensure long-term mechanical reliability:
Ventilation and Ambient Temperature
Air-cooled units require well-ventilated compressor rooms with dedicated exhaust ducting to prevent ambient temperature spikes. For harsh thermal environments, water-cooled variants provide stable heat rejection.
Altitude and Air Density
High-altitude installations require derating calculations for motor output and free air delivery due to lower atmospheric density.
Foundation Requirements
Heavy industrial compressor skids require flat, level concrete foundations capable of supporting static and dynamic operational loads without vibration resonance.
Quality Assurance, Compliance, and International Standards
Pressure Equipment Directives and Vessel Certification
Pressure vessels, oil-gas separation tanks, and piping networks are manufactured and inspected in accordance with international pressure vessel codes (such as ASME Section VIII or equivalent PED requirements) to guarantee structural safety under cyclic working pressures.
Electrical Safety and Motor Efficiency Ratings
Integrated drive motors adhere to high-efficiency classifications (IE3 or IE4) and international electrical safety frameworks, ensuring low thermal rise and reliable performance across diverse global power grids.
Acoustical and Environmental Compliance
Enclosures are lined with high-density flame-retardant sound-absorption materials to maintain strict noise emission thresholds suitable for indoor manufacturing environments.
Quality Management Frameworks
Supply chain and system integration workflows are managed under strict quality auditing protocols to ensure full traceability of components, valves, instruments, and safety relief devices from factory dispatch to final site commissioning.
FAQ
With abundant experience, we are one of the most professional two-stage screw air compressor manufacturers and suppliers in China. Please feel free to buy customized two-stage screw air compressor made in China here from our factory. For quotation, contact us now.
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