Engineered for maximum reliability, lower specific energy consumption, and high operational continuity across international distribution networks.
Designed for modern low-pressure industrial applications requiring pure oil-free output with state-of-the-art permanent magnet motor efficiency.
Compact footprint fixed speed screw compressor built with rigorous industrial standards for continuous duty cycles in general engineering shops.
Two-stage air end lowers pressure ratio per stage, yielding significant power savings. Features permanent magnet variable frequency control.
Water-lubricated oil-free compression ensuring absolute purity. Perfect for pharmaceutical, cleanrooms, and medical environments.
Precision-balanced dry screw technology eliminates lubricant cross-contamination while maintaining class-leading low noise signatures.
Heavy-duty 110kW variable frequency unit designed for robust operation. Engineered to withstand high ambient operational demands.
Optimized aerodynamics and permanent magnet frequency drive yield unmatched performance in aeration tanks and low pressure tasks.
Specifically configured for high-pressure fiber laser cutting systems. High stability delivery ensures immaculate cutting edges.
Industrial Decarbonization and Thermodynamic Optimization in Heavy-Duty Air Compressors
Compressed air systems account for approximately 10% of global industrial electricity consumption. In the pursuit of system efficiency, the thermodynamic path of compression plays a critical role. A single-stage rotary screw compressor operates on a polytropic curve, where air temperature escalates continuously, leading to elevated thermal expansion and subsequent energy waste. In contrast, the two-stage rotary screw air compressor divides the compression ratio into two distinct steps with interstage cooling.
By implementing a dual-stage setup, the air is first compressed in the low-pressure stage to an optimized intermediate pressure. At this juncture, the temperature is reduced through oil injection or a specialized interstage cooler. The cooled, higher-density air is then introduced into the second, high-pressure stage. This thermodynamic sequence shifts the operational path closer to the ideal isothermal compression curve. The mathematical outcome is a reduction in specific energy consumption (kW/m³/min) by 15% to 20% compared to a conventional single-stage equivalent working under the same delivery pressure.
The volumetric efficiency of a screw compressor is heavily influenced by internal leakage across the clearance gaps of the male and female rotors. Internal leakage is directly proportional to the compression ratio. In a single-stage system operating at 8 bar, the pressure ratio is 9:1. In a two-stage configuration, each stage maintains a pressure ratio of approximately 3:1. This lower ratio dramatically reduces the pressure differential across the rotor clearances, minimizing backflow and maintaining volumetric integrity. Consequently, the compressor achieves superior free air delivery (FAD) even during heavy, long-term operations.
Compact design combining screw air compressor, refrigerated air dryer, high precision filters, and receiver tank into one workspace-saving solution.
Precision dry screw air end. Free from any oil lubricants, offering pristine ISO Class 0 certified air for critical contamination-free manufacturing.
High-power, dry oil-free air compressor designed for heavy industrial utility demands, petrochemical operations, and electronics fabrication lines.
Optimal stage ratio layout coupled with permanent magnet motor to drive heavy volume requirements at minimum electricity costs.
Integrated structure with screw host and receiver tank for simplified field installation and low piping pressure drop.
Engineered configuration combining the drive end with optimized cooling, drying, and filtering sections for instant operational integration.
Superior volume output with direct permanent magnet drive coupling, reducing system transmission losses to near-zero levels.
Mega-scale industrial compressor featuring advanced variable frequency vector drive and top-tier permanent magnet synchronous motor efficiency.
Standard fixed-speed engineering designed for robust operation, reliable performance, and cost-effective daily compression demands.
Integrated screw air compressor Integrated explosion-proof screw air compressor Factory wholesale low prices We do many OEM for international famous brand Energy-saving and ultra silent High quality accessories Warranty:1 year for whole machine Certification:ISO,CE,etc. Professional online consultant to solve your question about compressor system. Free site design consultant, and energy saving solution to help you save operation cost. Negotiable technical available to service machinery over...
Model XD-8A Free air delivery 0.8-1.2m3/min Working pressure 7~12bar Control automatic PLC controller Driven direct driven, elastic coupling Starting star triangle start Cooling by air Electric motor 380v/50hz/3ph, IP55 Discharge temperature less than ambient +8 ℃ Noise less than 63dB(A) Air outlet size G1/2” Dimension 850*670*870mm Weight 178kg The screw compressor is a volumetric gas compression machine whose working volume makes a rotary motion. The compression...
The two-stage compression oil injection screw air compressor has a reasonable equal pressure ratio, ultra-small leakage, and ultra-low noise host design. It combines the first-stage compression rotor and the second-stage compression rotor in one casing, and directly drives them respectively through the front gear, so that each stage of the rotor can obtain the best line speed matching the gas production during operation, and at the same time, the reasonable compression The ratio can effective...
Industrial Design & Engineering Benchmarks for High-Performance Operation
Our Permanent Magnet Variable Speed Drive (PM VSD) motors achieve IE4 & IE5 efficiency levels. Unlike standard induction motors, they preserve maximum torque and high operating efficiency across low speed ranges, adjusting power input dynamically in real time to match system demand.
Configured with intelligent IoT PLC modules, our systems track thermal metrics, pressure differentials, and maintenance periods. MODBUS RTU and Ethernet connectivity allow remote visualization and pre-emptive fault detection before system downtime occurs.
Using water-lubricated and dry-type architectures, our oil-free units supply pristine process air conforming to ISO 8573-1 Class 0. This completely removes contamination risks in delicate applications, safeguarding down-stream equipment.
The core of our dual-stage compressor lies in the proprietary asymmetric rotor profile design. By employing a 5:6 lobe ratio for the male and female rotors, we increase the cross-sectional area of the intake while reducing volumetric blow-by. In the two-stage configuration, both the low-pressure and high-pressure rotor sets are integrated into a single mechanical casing. The rotors are directly driven by high-speed synchronous gears. This ensures that the peripheral speed of each rotor stage is matched exactly to its regional gas density. By avoiding belt slip and keeping mechanical transmission losses under 1%, this assembly yields maximum thermodynamic efficiency.
Configuring System Architectures for Specialized Production Environments
Modern metal fabrication shops rely on dry, high-pressure air as an auxiliary cutting gas. Our specialized 20 Bar Screw Compressors replace expensive nitrogen, delivering clean air directly to the cutting head. By implementing integrated refrigerant dryers and dual-coalescing filters, the air is dried to a pressure dew point of 2-10°C, and residual oil particles are filtered to <0.01 mg/m³. This prevents particulate contamination of focus lenses and produces scale-free, mirror-finish cuts in thick carbon steels and aluminum alloys.
Wastewater aeration tanks, pneumatic transport, and material conveying demand substantial volumes of continuous air at lower pressures (1.5 to 4.0 bar). Utilizing a high-pressure compressor for low-pressure processes results in wasted energy. Our EGV-132A-140 Permanent Magnet VFD Screw Blowers and dry vacuum pump series are built exactly to target low-pressure demands. These systems cut operational power by up to 35% compared to multi-stage centrifugal blowers, keeping wastewater plants compliant with local environmental utility mandates.
"For precision manufacturing plants, selecting a two-stage air end coupled with a Variable Speed Drive provides not only immediate power savings, but also protects the downstream manufacturing chain by ensuring a constant pressure envelope without mechanical fluctuations."
Any oil carryover in pharmaceutical production, bulk packaging, or food processing can cause product recalls and compromise consumer health. Our dry type and water-lubricated oil-free rotary screw compressors replace oil film seals with precision water lubrication or specialized carbon ring seals. This guarantees that no petroleum hydrocarbons enter the compression chambers, keeping facilities compliant with international HACCP and FDA guidelines.
Shanghai Honest Compressor Co., Ltd. - Engineering Trust Since 2004
For international procurement managers, regulatory compliance is a non-negotiable threshold. Shanghai Honest Compressor products are manufactured under rigorous ISO 9001 and ISO 14001 Quality Management standards. All pressure vessels conform to international protocols including ASME Section VIII (for North America), CE-PED (for the European Union), and local national standards like GB. Electrical switchgear cabinets are assembled using UL and CSA certified components to guarantee easy local grid integration and safety code approvals.
Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise. It was founded in early 2004. The production address is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. It is a large-scale manufacturing enterprise specializing in the production of twin-screw air compressors in China. At the same time, it is also an important supplier of air system solutions. We provide various types of piston air compressors (low pressure, medium pressure, high pressure, oil-free air compressors), screw air compressor systems (3KW-480KW various screw air compressors, gas separation equipment, refrigerant compressors, cold dryers, filters, ceramic membrane filtration systems) and various equipment accessories and consumables.
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 robust CAGR during the forecast period. Honest Compressor remains at the forefront of this segment, introducing intelligent vacuum integrations to global buyers.
Evolving the Next Horizon of Smart Volumetric Compression Systems
As the industrial sector transitions toward Net-Zero carbon emissions, the technological roadmap for compressed air systems is focusing on smart operations and alternative lubrication systems. Shanghai Honest Compressor is directing development capital into three key areas:
Expert Engineering Solutions for Common Industrial Inquiries
A two-stage compressor splits the compression ratio across two stages with interstage cooling, bringing the compression path closer to an energy-saving isothermal curve. This lowers the temperature of the air entering the second stage, saving 15% to 20% in specific power compared to single-stage units.
Standard induction motors lose substantial efficiency when forced to drop speed. PM synchronous motors use rare-earth magnets that preserve high efficiency and torque across their entire speed range. When combined with a Variable Speed Drive (VSD), the motor's power consumption adjusts dynamically to match real-time air demand, completely avoiding the energy wasted during idle periods.
Yes. Our compressors feature PLC controllers with built-in MODBUS RTU, Profibus, and RJ45 Ethernet ports. This lets factories integrate the compressor metrics directly into SCADA and centralized industrial control networks.
We manufacture in strict compliance with ISO 9001 quality guidelines. Depending on export destination, our pressure vessels and heat exchangers are certified under ASME Boiler & Pressure Vessel Code (Section VIII) or the EU Pressure Equipment Directive (CE-PED), with documentation provided for customs clearance and regional utility approvals.
We advise using our 20 Bar high-pressure rotary screw compressor, paired with an integrated refrigerated dryer, pre-and-post microfilters, and an ASME-stamped receiver tank. This configuration guarantees dry, clean, oil-free air at constant pressure, protecting lenses and ensuring scale-free cuts.
Complete your compressed air setup with our specialized PM variable frequency compressors, refrigerated dryers, and space-saving oil-free options.
Compact design combining receiver tank, refrigeration unit, filtration assembly, and rotary screw drive into a single easy-to-use package.
Advanced double-screw host running with permanent magnet frequency inverters, reducing off-load electricity consumption.
Equipped with both refrigerated and adsorption dryers, offering dual moisture removal to achieve ultra-dry dewpoints for sensitive systems.
Single-phase 220V configuration utilizing a high-efficiency PM motor. Ideal for light industrial setups lacking three-phase power.
Compact air-cooled design utilizing eco-friendly refrigerants. Essential for removing moisture and preserving downstream air lines.
Uses injected oil for both sealing and rotor cooling, optimizing heat transfer to keep operating temperatures at ideal parameters.
Cost-efficient variable speed line designed for facilities looking to upgrade to low-maintenance PM motor drives.
Heavy-duty 110kW electric drive featuring dual-stage rotors and a permanent magnet inverter, providing a highly reliable 8 bar system output.