Designed for heavy industrial aeration, bulk powder transport, and specialized oil-free processes. The integration of a high-efficiency VSD PM motor guarantees minimal energy wastage across variable demands.
Engineered for robust mechanical reliability, simple maintenance profiles, and long operational cycles. Ideal for manufacturing workshops requiring steady, continuous air pressure delivery.
A space-saving setup that bundles the twin-screw air end, storage tank, and dryer. Features variable speed controls to maximize performance efficiency on demand fluctuations.
Achieve up to 30% operating cost reductions compared to conventional fixed speed systems. High-grade electronics support fine-tuned operational pressures from 0.7 to 1.25 MPa.
Employs dual compression rotors within a single housing to divide compression ratios, preventing internal bypass leaks and ensuring optimal volumetric efficiency.
Pre-piped configuration utilizing a matching integrated air receiver. Built for light industrial applications requiring low footprint and continuous service cycles.
Heavy-duty dual rotor mechanism paired with variable frequency controls. Minimizes operational wear and thermal stresses, delivering superior specific power ratings.
Unique design routing synthetic lubricant directly through the permanent magnet motor casing, maintaining optimal motor operating temperatures and eliminating heat failures.
In today's globalized manufacturing landscape, compressed air is often referred to as the "fourth utility." For large-scale manufacturing facilities, chemical processing plants, and mineral processing complexes, sourcing reliable, highly efficient oil-injected rotary screw air compressors is not simply a purchasing task—it is a strategic decision that affects long-term operational profitability and energy compliance.
Globally, energy mandates like the EU Eco-design Directive and rising electricity costs in North America are forcing operations to reassess their specific energy consumption (SEC). Procurement managers must analyze compressed air delivery under varying load patterns. This is where OEM/ODM Variable Frequency Drive (VFD) and Permanent Magnet (PM) screw compressors provide a clear competitive edge, adapting motor speed directly to flow demand to eliminate waste.
Working directly with a specialized factory enables buyers to adjust mechanical and electrical specs for localized environments. From tailored dust filtration systems in mining regions to explosion-proof setups for oil fields, custom manufacturing ensures your equipment runs reliably and complies with local regulations.
Beyond performance, aftermarket support, ease of maintenance, and parts availability dictate the total cost of ownership (TCO). Standardized oil-injected compressor platforms allow quick service intervals. By optimizing internal piping layouts and using easily accessible multi-stage separation systems, operators can reduce carryover and extend filter life, helping protect downstream production processes.
Compact station consolidating compressor, tank, dryer, and filtration. Designed for high-precision workspaces such as laser cutting and component sub-assembly lines.
Provides oil-free air for contamination-sensitive facilities, including food and beverage production, pharmaceutical packaging, and electronics assembly.
High-capacity dry compression unit for large facilities. Delivers reliable output with minimal acoustic signature, maximizing comfort and output stability.
Heavy duty industrial model featuring a dynamic air end configured to handle demanding duty cycles, ensuring continuous flow for large pneumatic grids.
Combining an oil-lubricated screw element with a robust storage vessel. Excellent design simplicity tailored for rapid site installation.
All-in-one build featuring a compact floor footprint, built-in air filter, and refrigerated dryer. Delivers clean, dry compressed air right out of the box.
Divides the compression ratio into two optimized stages, significantly lowering internal leakage and driving down specific energy consumption for heavy industries.
Flagship design integrating permanent magnet synchronous motor efficiency with high-volume, two-stage screw rotors for maximum energy savings.
Reliable, fixed-speed system designed for steady air demands. Simple controls and dynamic reliability minimize lifecycle maintenance costs.
Integrated explosion-proof screw air compressor options. Factory wholesale pricing. Features energy-saving, quiet operation, and premium internal components. Includes a 1-year warranty on the complete assembly.
Model XD-8A: 0.8-1.2 m³/min capacity, 7-12 bar pressure. Features an automatic PLC controller, direct-drive elastic coupling, and quiet air cooling (<63 dB).
Engineered with an optimized compression ratio to minimize leakage and bypass. The stage-one and stage-two rotors reside in a single casing, directly geared to match optimal line speeds.
The core mechanism of an oil-injected rotary screw air compressor relies on continuous fluid dynamics. Unlike dry reciprocating designs, oil-injected configurations inject highly refined synthetic lubricants directly into the compression chamber. This lubricant serves three critical functions: sealing, lubricating, and cooling.
As the male and female rotors intermesh, they draw air through the intake valve. Lubricant is introduced to seal the clearances between the rotor lobes and casing walls, which prevents backflow leakage. More importantly, the oil absorbs the heat generated by compression, ensuring the process stays close to isothermal compression—the most efficient thermodynamic cycle.
Modern rotary screw components use an asymmetric 5:6 lobe ratio. The male rotor drives the female rotor, creating a series of expanding and contracting chambers. A thin oil film prevents direct metal-on-metal contact, extending machine life and maintaining stable volumetric efficiency even during continuous heavy use.
In traditional fixed-speed systems, compressors run at full speed even when demand drops, dumping excess air or running unloaded to save energy. Incorporating Variable Speed Drive (VSD) with Permanent Magnet (PM) motors allows the machine to adjust its rotation speed dynamically. This helps stabilize system pressure and reduces energy use by matching motor speed to your actual load.
Features NdFeB permanent magnets that retain strong magnetic properties even at high temperatures, achieving IE4 and IE5 efficiency levels.
Multi-stage separator vessels utilize mechanical centrifugal force combined with coalescing filters to reduce oil carryover below 3 ppm.
MODBUS and CAN communication protocols enable real-time monitoring of operation pressures, discharge temperatures, and maintenance intervals.
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 premier twin-screw air compressor manufacturer, supplying critical air systems solutions globally.
Our production portfolio spans an extensive performance range from 3kW to 480kW. We manufacture standard and custom twin-screw air compressors, piston compressors (low, medium, and high pressure options), oil-free solutions, air dryers, downstream filters, and specialized gas separation plants.
According to recent industry analysis, the dry vacuum pump market size is valued at USD 5.97 billion in 2024. The market is projected to expand from USD 6.17 billion in 2025 to USD 8.28 billion by 2034, driven by increasing demands in semiconductor fabrication, pharmaceutical processing, and energy-efficient manufacturing.
Features a matching integrated dryer to save floor space while ensuring clean, dry air. Its highly efficient PM motor delivers reliable energy-saving performance.
Built with durable bearings and an efficient heat exchanger, this system delivers dependable, continuous service for general industrial assembly lines.
Designed for high-flow cooling, this system removes moisture carryover from raw compressed air to protect downstream pneumatic tools and machinery from corrosion.
Engineered for hazardous environments, this system combines reliable explosion-proof components with low-noise operation for critical safety applications.
Designed for workshops with single-phase power, this compact VFD system provides energy savings and precise flow controls without requiring three-phase electrical service.
Uses twin-screw geometry to deliver high ultimate vacuum levels, providing stable suction and long service life for industrial packaging and vacuum drying applications.
Features dual permanent magnet motors driving stage-one and stage-two rotors independently. Minimizes mechanical energy transmission losses to maximize flow efficiency.
Engineered to deliver high pressure (15.5 bar) for laser cutting assist gases, helping prevent oxidation and producing clean, dross-free edge finishes on metals.
Operating compressors internationally requires strict adherence to regional safety and environmental standards. Industrial pressure vessels must comply with standard regulations such as the ASME Boiler and Pressure Vessel Code in North America or the CE Pressure Equipment Directive (PED) in the European Union. Ensuring these certifications are met is vital for workplace safety and compliance.
As industries push toward automation, smart compressor systems are integrating IoT diagnostics. Modern screw compressors use smart sensors to track temperature, pressure differential, and vibration. This data allows for predictive maintenance, alerting operators to replace elements before they fail, avoiding costly unplanned downtime.
Over 90% of the electrical energy used by a compressor is converted into heat. Modern installations reclaim this waste energy by using oil-to-water heat exchangers, routing heated water to facility heating systems or preheating boiler feedwater. This process helps lower overall energy costs and reduces carbon footprint.