Explore our premier configurations of oil-injected and high-performance screw air compressors. Fully certified for diverse industrial applications demanding steady pneumatic reliability.
High-power two-stage compression with permanent magnet variable frequency motor. Optimized air-cooled model built for high-duty continuous operation.
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Optimized thermal regulation via advanced oil-cooling system for the permanent magnet motor, providing unparalleled efficiency in high-ambient environments.
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Compact design incorporating VSD/VFD Permanent Magnet synchronous motor. Ideal for dynamic demand profiles with optimized space utility.
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Single-phase 220V configuration utilizing high-performance PM variable frequency controls. High performance designed for light manufacturing and specialized workshops.
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Highly integrated 4-in-1 layout (compressor, dryer, filters, and tank). Highly functional fixed-speed workhorse for rapid floor deployment.
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Zero oil risk with water-lubricated operation. Designed for high cleanliness environments including laboratories, electronics, and food packaging.
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Combined air solution featuring integrated refrigerated dryer, adsorption dryer, and air receiver tank for absolute dry and clean air output.
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All-in-one silent series delivering continuous duty-cycle performance. Superior noise dampening for close-to-point-of-use operations.
See Details >In modern manufacturing, the oil-injected rotary screw air compressor is the thermodynamic foundation of industrial air systems. Unlike reciprocating pistons, the twin-screw air compressor relies on two intermeshing helical rotors (male and female profiles) within a precisely machined housing. As these rotors rotate, they draw ambient air into the interlobe spaces, compressing it progressively along the screw thread toward the discharge port.
The injection of specialized lubricating fluid (oil) plays three critical thermodynamic roles in the rotary screw chamber:
The injected oil acts as a dynamic liquid seal between the high-pressure discharge zone and the low-pressure intake zone. This minimizes internal backflow leakage, dramatically improving the volumetric efficiency of the system even at high compression ratios.
Air compression naturally generates substantial heat of compression. Injecting oil directly into the compression pocket absorbs this heat rapidly, allowing the system to operate close to an isothermal process, thereby preventing overheating and maintaining safe structural tolerances.
By preventing direct metal-to-metal contact between the mating rotors, the oil film ensures zero mechanical wear on the primary components, resulting in decades of useful life. It also acts as an acoustic dampener, ensuring low-vibration operation.
Global industrial procurement managers prioritize oil-injected screw compressors because of their unmatched balance of Total Cost of Ownership (TCO), duty cycle durability, and energy efficiency. Unlike dry compressors, oil-injected models operate reliably at continuous 100% duty cycles, running for thousands of hours without needing rotor replacement. The key metrics that define procurement intent include:
Moreover, our permanent magnet synchronous motor (PMSM) systems operate under vector-controlled variable frequency drives (VFD). This allows the compressor output speed to adjust automatically in real-time to the shifting demand of downstream pneumatic applications, avoiding the high cost of offload energy wastage.
Purchasing directly from a specialized Chinese manufacturer like Shanghai Honest Compressor Co., Ltd. provides a unique strategic advantage for international operations. The concentration of advanced component manufacturers, raw material supplies, and logistical hubs in China allows us to produce superior machinery at competitive cost structures.
From raw rotor casting to high-precision CNC finishing, all components are sourced, machined, and assembled in highly synchronized regional clusters. This minimizes transportation delays, guarantees consistent material composition, and accelerates delivery timelines.
Every single screw air compressor unit leaves our Malu Town facility in Jiading, Shanghai after undergoing intensive loaded performance runs, thermal profiling, vibration analysis, and micro-leak checks to ensure out-of-the-box readiness.
We offer extensive custom designs, working with international brands to design tailor-made packages with custom paint finishes, pressure variations (from 7 bar up to 12 bar), specialized electrical enclosures, and custom logic controllers.
Here is a glance at our manufacturing facilities, dynamic assembly lines, and global storage setups:
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.
Industrial pneumatic demand varies dramatically depending on the local environmental layout and the targeted downstream application. The adaptability of our oil-injected screw units ensures operational efficiency across several demanding sectors:
For workshops requiring continuous pressure. Hand tools, pneumatic cylinders, sandblasting cabinets, and robotic assembly systems rely on our high-efficiency air delivery to minimize runtime costs.
Automotive body shops require pulse-free air volume to prevent paint defects. Our integrated screw compressor designs, paired with high-precision oil coalescing filters and adsorption dryers, provide clean, dry air free of aerosols.
Textile looms operate 24/7 in hot, dusty surroundings. Our air filtration systems with heavy-duty pre-filtration panels prevent fiber ingestion, maintaining cool operating temperatures in demanding conditions.
For global industrial facilities, regulatory compliance is non-negotiable. To guarantee seamless operations, we design, test, and manufacture our systems to conform to major international engineering standards:
We provide complete documentation packages, including electrical schematics, parts lists, and test reports, helping plant managers complete compliance audits easily.
High reliability compact package combining screw block, receiver tank, and dry system.
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Oil-free performance for sensitive clean air industries.
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Industrial scale dry type screw compression with premium acoustics control.
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Optimized two-stage air-cooled machine built for heavy-duty industrial projects.
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Integrated configuration for spaces that require an optimal layout footprint.
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Integrated 4-in-1 layout for quick deployment and reduced onsite labor.
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High-power compression system designed to reduce energy costs.
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High pressure capacity paired with variable frequency efficiency controls.
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High-durability fixed-speed system for steady-state applications.
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Integrated screw air compressor. Integrated explosion-proof screw air compressor. Factory wholesale low prices. We do many OEM for international famous brands. Energy-saving and ultra silent. High quality accessories. Warranty: 1 year for whole machine. Certification: ISO, CE, etc. Professional online consultant to solve your questions about compressor systems. Free site design consultant, and energy saving solutions to help you save operational costs. Negotiable technical staff available to service machinery.
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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.
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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. At the same time, a reasonable compression ratio can effectively reduce energy loss.
See more products >The compressed air industry is rapidly moving toward smart integration. Plant engineers want more than just air pressure; they want real-time telemetry. Key trends driving development include:
Modern PLC systems monitor internal sensor metrics (oil temperature, differential filter pressure, rotor vibration). Our controllers process these trends to identify oil degradation or potential filter blockages before they cause downtime.
Around 80% to 90% of electrical energy input is converted to thermal energy. Our smart heat recovery options allow users to capture this waste heat, using it for factory floor heating or boiler preheating to lower energy bills.
New synthetic oil formulations offer longer lifespans (up to 8,000 operational hours) and improved thermal properties, making oil recycling and environmental disposal more manageable.
We regularly showcase our technologies at global industrial trade exhibitions. This section covers our recent event activity and key market reports:
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 high CAGR growth. We continue to adapt our rotor profile designs to capture key market segments.
Get technical answers to common questions about oil-injected rotary screw air compressors.
Browse our specialized system modules, auxiliary air treatment units, and custom permanent magnet screw installations.
Designed for variable industrial pressures from 0.7 to 1.25mpa. Delivers up to 30% energy savings over standard setups.
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Wide capacity range (10HP to 100HP) using dynamic PM VSD drives. Extremely quiet casing panels for comfortable floor installation.
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High capacity range (0.6m³ to 60m³) heatless regenerative desiccant dryers. Essential for removing moisture down to ultra-low dew points.
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Heavy-duty 132kw two-stage installation featuring variable speed control. Designed to handle intense air requirements at optimal efficiency.
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Micro-oil lubricated vacuum screw pump. Built for demanding vacuum processes requiring reliable air extraction and operation safety.
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High-grade replacement elements including oil separators, particulate air filters, and heavy-duty lube filters.
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Compact 11kw (15HP) machine featuring permanent magnet variable speed drive and integrated air dryers. Simplifies layout complexity.
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Equipped with double permanent magnet motors for separate first and second stage rotor speeds. Uncompromising efficiency and control.
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