Two-Stage Screw Air Compressor Factory & Exporter in Serbia

Decarbonizing Serbian Heavy Industries with Intelligent Permanent Magnet Variable Frequency Compression Systems

Premium Air Compression Systems for the Serbian Market

Specially engineered for the fast-evolving manufacturing sectors of Belgrade, Kragujevac, Novi Sad, and Niš. These advanced systems provide superior thermodynamic stability and reduced power consumption.

Serbia IP55/54 55KW Two Stage Industrial Screw Compressor

Serbia Grade IP55/54 55KW 75HP Two-Stage Industrial Screw Compressor System

Designed for heavy dust environments and continuous loads. IP55/54 grade protection ensures maximum dustproof and waterproof functionality for rugged Balkan industrial sectors.

OEM 55KW 75HP VSD PM Motor Compressor

OEM 55KW 75HP 7-13bar VSD PM Motor Two-Stage Screw Compressor (Direct Drive)

Combines variable speed drive (VSD) with a Permanent Magnet (PM) motor to achieve variable demand matching, cutting energy loss by up to 35% compared to fixed-speed units.

ODM Two-Stage Compression 132kw Screw Air Compressor

ODM Two-Stage Compression 132KW Energy-Saving Screw Compressor for Heavy Industrial Mining

Built to supply continuous high-volume air flow for Serbian metallurgy and copper smelting mines. Engineered for minimum thermal stress and high isentropic efficiency.

OEM E-22 Belt Drive Screw Compressor

OEM E-22 Belt Drive Screw Air Compressor - Industrial Efficiency for Continuous Operation

An ultra-reliable, belt-driven industrial compressor that maintains performance under fluctuating loads, offering low maintenance and high operational uptime.

Serbian Industrial Growth & The Demand for Modern Compressed Air

Serbia has solidified its position as a primary manufacturing and automotive hub in Central and Eastern Europe. With substantial Foreign Direct Investment (FDI) flowing into industrial clusters in Kragujevac, Novi Sad, Zrenjanin, and Pančevo, regional factories are experiencing a massive drive toward automation and efficiency. From tire manufacturing and auto parts casting to heavy steel works and chemical processing, compressed air serves as the vital "fourth utility."

Automotive & Heavy Industry

Serbian auto-parts manufacturers supply global European assembly lines. These factories require extremely stable, oil-free or highly filtered high-volume compressed air to drive precise robotic tooling and painting systems.

Energy Efficiency & EU Regulations

With energy costs fluctuating across Eastern Europe, Serbian plants are upgrading to meet strict EU eco-design directives. Traditional single-stage compressors are being replaced with two-stage systems to drop power bills by up to 15%.

Environmental & Climate Resiliency

Serbian continental climates introduce extreme summer heat and freezing winters. Compressors must be equipped with smart variable cooling systems and durable IP55 protection to prevent thermal trips and component wear.

Thermodynamic Breakthroughs: The Science Behind Two-Stage Systems

Unlike single-stage compressors that force air to experience a high compression ratio in a single chamber, two-stage rotary screw compressors optimize the process by dividing the workload. This physical separation yields dramatic gains in operational life and thermodynamic performance.

Interstage Cooling Mechanics

Between the low-pressure first stage and the high-pressure second stage, dynamic oil injection lowers the air temperature, achieving near-isothermal compression. Cooler intake air is denser, requiring less mechanical power to compress further.

Lower Internal Pressure Ratios

Because each stage operates under a lower pressure ratio, the compression forces on the internal rotors and bearings are significantly minimized, dropping wear rates and extending the design life of the air end up to 100,000 hours.

VSD Permanent Magnet Drive Integration

Direct mechanical coupling of the dual air-ends to dual high-performance permanent magnet motors eliminates drive transmission energy losses. Frequency control limits startup current spikes, ensuring Serbian factories face no peak penalty grid charges.

Performance Comparison

Specification Parameter Standard Single-Stage Honest Two-Stage PM VSD
Energy Savings Rate Baseline (0%) Up to 15% - 35% Savings
Discharge Temperature 90°C - 105°C 75°C - 85°C
Bearing Operating Life 30,000 Hours >80,000 Hours
Internal Rotor Leakage Moderate Negligible (Optimized clearances)
Specific Power (kW/m³/min) 7.2 - 8.0 5.8 - 6.4 (Level 1 Energy Class)
2004
Founded Year
3-480kW
Power Range
Level 1
Energy Efficiency
100%
CE & ISO Compliant

About Us: Global Engineering Excellence with British Heritage

Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise, established 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 developed into a massive, integrated manufacturer specializing in twin-screw air compressors, gas separation equipment, refrigerant compressors, cold dryers, and filtration systems.

We blend European technical designs with high-precision manufacturing processes to deliver industrial systems that operate reliably under the most extreme conditions. With ISO 9001 quality management, CE mark verification, and complete integration of components from world-class brands, our equipment is exported to dozens of nations. We provide OEM/ODM customization services to Serbian manufacturing concerns, providing them with bespoke flow capacities, high-efficiency PM motor configurations, and specific electrical configurations suited for regional utilities (380V/50Hz/3Ph).

High-Performance Compressors & Air Treatment Systems

Explore our complete catalog of industrial air compressors, integrated dryers, and air-treatment accessories tailored for Serbian industrial applications.

Low Noise High Efficiency Rotary Screw Compressor

OEM Low Noise PM VSD Screw Type Air Compressor (10HP to 100HP range)

Quiet, highly efficient rotary PM VSD screw compressor. Ideal for workspace integration where minimal acoustic footprint is required.

Double Permanent Magnet Motor Compressor

China Double Permanent Magnet Motor Integrated Two-Stage Compression Series

Equipped with dual independent permanent magnet synchronous motors. Rotors run at dynamic velocities to reach peak compression flow rates.

OEM Silent Industrial Air Compressor

OEM All-In-One Silent Industrial Air Compressor (7.5KW to 22KW Systems)

A space-saving 4-in-1 integrated air station that packs the compressor, air storage tank, filter, and dryer into a single soundproof enclosure.

OEM 15kw 20HP VSD Screw Compressor

OEM 15KW 20HP Integrated PM Frequency Conversion VSD Screw Compressor

Smart variable frequency drive optimizes power consumption based on instantaneous demand. Best suited for smaller light manufacturing workshops.

China 10HP AC Screw Compressor

China 7.5KW 10HP AC Power Screw Compressor - Fixed Speed Industrial Air Compressor

Built to run continuously in heavy environments, delivering constant air pressure with a heavy-duty, low-maintenance direct drive coupling system.

ODM 7.5kw 10HP AC Power Screw Compressor

ODM Four-in-One 7.5KW 10HP AC Power Screw Compressor (Integrated Dryer and Tank)

Delivers dry, clean air straight out of the box. Fully pre-piped and pre-wired to simplify installation and reduce commission times.

11kw 15hp Rotary Air Compressor

ODM 11KW 15HP Air-Compressor System - Rotary Screw Industrial Air Compressor

An extremely reliable, compact industrial air source engineered for packaging, carpentry, and light manufacturing plants across Serbia.

OEM Heatless Regenerative Adsorption Dryer

OEM Heatless Regenerative Adsorption Dryers (0.6m³ to 60m³/min Capacity)

Achieves extremely low pressure dew points down to -40°C or -70°C. Protects sensitive pneumatics and paint equipment from water contamination.

Specialized Systems & Auxiliary Air Treatment Equipment

Ensure maximum performance and process purity by pairing your screw compressor with our high-power variable models and industrial refrigeration systems.

ODM VFD PM Two Stage Screw Air Compressor

ODM VFD PM Two-Stage Screw Compressor 315KW 1.3Mpa (Level 1 Energy Consumption)

Heavy-duty, high-capacity 315KW two-stage unit built for mining and large-scale manufacturing. Delivers 1.3Mpa of stable pressure at peak efficiency.

Refrigerated Air Dryer

ODM Dew Point Air-Cooled Refrigerated Air Dryer with R22/R134a/R407c/R410A Refrigerants

Provides stable 2-10°C pressure dew point control. Perfect for protecting downstream piping and actuators from condensation.

Energy Saving PM Motor Compressor

OEM Industrial 15KW/22KW/37KW/55KW/75KW Energy-Saving PM Motor VSD/VFD Compressors

A versatile product line of highly efficient PM motor-driven compressors. Tailored for varying load demands in medium-scale manufacturing.

China 110kw Rotary Screw Compressor

China 110KW/150HP Two-Stage Rotary Screw Air Compressor PM VFD (380V Air-Cooled)

High-power 110KW air-cooled system with permanent magnet frequency speed controls. Offers robust reliability for continuous, multi-shift factory operations.

Compression Engines & Integrated Equipment

Our traditional heavy-duty series provides robust mechanical platforms for continuous-duty applications, developed under British technical engineering specifications.

Four in One Screw Air Compressor

Four in One 7.5KW 11KW 15KW 22KW Screw Air Compressor Station

This integrated package provides space-saving power. Complete with dryer and filters, it is ready to connect and run instantly.

Low Noise Dry Type Oil Free Compressor

Low Noise Dry Type Oil-Free Screw Air Compressor

Designed for industries requiring 100% clean, oil-free air, including food processing, pharmaceutical, and electronic assembly plants.

280kw Oil Free Compressor

280KW Low Noise Dry Type Oil-Free Screw Air Compressor

Heavy-duty dry type oil-free compressor for massive air demands. Ideal for petrochemical and chemical processes in Pančevo.

110Kw Two-Stage Compressor

110KW/150HP Two-Stage Rotary Screw Air Compressor

Optimized two-stage compression design that reduces pressure ratio loss, saving significant electricity overheads over continuous operations.

Two in One Screw Compressor

Two-in-One 7.5KW 10HP AC Power Screw Compressor

Compact design combining screw compressor and air storage tank, optimizing footprint and air pressure stability.

Two-stage 132kw Screw Compressor

Two-Stage 132KW High-Power Energy-Saving Screw Compressor

Designed for heavy mineral mining, steel processing, and metal smelting plants. Combines durability with high-volume output.

VFD PM Two Stage Compressor

VFD PM Two-Stage Screw Compressor 315KW 1.3Mpa

Top tier high-pressure industrial compressor with Variable Frequency Drive (VFD) and Permanent Magnet motor technology.

7.5kw 10HP Fixed Speed Compressor

7.5KW 10HP AC Power Screw Compressor (Fixed Speed)

Continuous duty, fixed-speed configuration for workshops that run standard, predictable cycles without variable air demand.

7.5kw 10hp Air Compressor Details

7.5KW 10HP Screw Rotary Compressor (Model XD-8A)

Features flow delivery of 0.8-1.2m³/min, 7-12 bar pressure, direct coupling drive, and automatic PLC control interface.

Complete Engineering Solutions & On-Site Serbian Technical Support

Choosing an industrial compressor system requires more than evaluating initial machinery costs; it requires choosing a partner capable of providing complete system engineering and reliable parts support.

1. Full System Engineering & Air-Room Design

We provide complimentary air-room layout designs and piping recommendations for Serbian manufacturing plants. By carefully designing receiver tanks, separators, dryers, and oil-water filters, we prevent pressure drops and reduce line friction losses.

2. Global Certifications & European Compliance

Our equipment is built to meet European safety standards. All units carry CE markings and conform to pressure vessel regulations, making it simple to complete local registration and safety checks in Serbia.

3. Direct OEM/ODM Customization Capabilities

We configure motor ratings, startup electronics, and variable speed settings to perfectly match local Serbian grid tolerances. We also offer customization options for custom PLC controller languages, remote IoT monitoring interfaces, and harsh environment paint coatings.

4. Uptime & Consumable Support

We support our international customers with rapid dispatch of replacement air ends, oil filters, separator elements, and replacement valves. This minimizes unexpected maintenance downtime and keeps your plant running smoothly.

Global Trade Shows & Continuous Technological Development

We actively participate in global exhibitions, showcasing our energy-saving advancements to European distributors and manufacturing customers.

Industrial Compressor Exhibition

International Machinery and Industrial Fairs

We regularly present our latest PM VSD rotary compressor ranges, demonstrating efficiency improvements and noise reduction designs to European industrial buyers.

Dry Vacuum Pump Market Size & Trends Report

According to market reports, 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 by 2034, registering continuous demand for efficient, clean vacuum air technologies.

Ongoing Engineering Innovation

Our R&D team continuously updates our rotor profiles to achieve greater volumetric efficiency. We focus on integrating IoT sensors, allowing operators to track compressor diagnostics, thermal performance, and energy consumption in real time.

Frequently Asked Questions: Industrial Screw Air Compressors

Read answers to common technical questions from buyers, engineers, and plant operators in Serbia.

Why should we choose a two-stage screw compressor over a single-stage model?

Two-stage compressors divide the compression process into two distinct stages. This reduces the compression ratio per stage, which minimizes internal blow-by leakage and optimizes the thermal efficiency of the air end. By utilizing interstage oil cooling to drop intake temperatures for the second stage, energy consumption is reduced by up to 15% compared to single-stage units, and mechanical bearing wear is significantly minimized.

How does a PM VSD motor improve energy efficiency under varying plant loads?

A Permanent Magnet Variable Speed Drive (PM VSD) motor dynamically adjusts its rotational speed to match your plant's real-time air demand. Traditional fixed-speed compressors continue running the motor even when air demand is zero (unloaded run state), consuming up to 30-40% of peak energy without producing air. PM VSD systems eliminate unloaded running and startup energy spikes, delivering substantial electrical savings.

What electrical specifications are provided for installations in Serbia?

We supply air compressors configured for 380V/50Hz/3Phase power grids, which is the standard across Serbia. We can also provide custom electrical configurations to handle voltage fluctuations, including phase-monitoring safety relays and customized control boards.

How does an adsorption dryer compare with a refrigerated air dryer?

Refrigerated air dryers cool the air to condense moisture, providing a pressure dew point of 2°C to 10°C, which is suitable for general shop air. Adsorption dryers pass the compressed air through a desiccant bed, removing moisture down to a dew point of -40°C or -70°C. This level of dry air is essential for pharmaceutical, electronic assembly, and automotive painting processes.

What are the recommended maintenance intervals for a two-stage compressor?

Generally, air filters and oil filters should be replaced every 2,000 hours of operation. The air-oil separator element is typically replaced at 4,000 hours, depending on operating conditions. We recommend conducting regular oil analysis to monitor viscosity and check for particulate wear within the air end, extending the life of the machine.

Ready to Optimize Your Factory's Air Efficiency?

Speak with our senior application engineers to obtain a custom system sizing analysis, complete piping drawings, and factory-direct export pricing to Serbia.

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