Precision-manufactured air filters, oil separators, and air filtration consumables designed to maintain low system pressure drops and ensure clean, oil-free discharge air for heavy-duty industrial twin-screw units.
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A heavy-capacity two-stage compression workhorse equipped with a high-torque PM VSD motor. Ideal for heavy chemical, metallurgical, and general manufacturing lines demanding massive CFM outputs with minimal energy drag.
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Integrated structure that houses the screw air end, permanent magnet frequency conversion motor, variable speed drive, and control panels in one extremely quiet, compact modular housing.
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General-purpose workhorse equipped with an AC power induction motor. Engineered for long running times and stable duty cycles in standard workshop and light assembly applications.
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Optimized for high-flow low-pressure requirements in biological wastewater aeration treatment and bulk pneumatics conveying, using advanced dry screw design rules to prevent chemical cross-contamination.
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Equipped with oil-cooled rotor mechanics that keep operational temperatures low. Delivers high volumetric efficiency and runs continuously in high-temperature environments.
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A dynamic, all-in-one system integrated with a refrigerated dryer, multi-stage adsorption dryers, and a reinforced pressure receiver tank for high-purity dry air demands.
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Specifically engineered with a 20 bar high-pressure envelope to support optical laser cutters. Delivers highly dry air to protect focal lenses and ensure clean edge cuts.
Technical Details >Modern commercial and industrial buyers have transitioned away from oversized, loud, energy-inefficient reciprocating pistons. The contemporary procurement landscape is dominated by requirements for high volumetric efficiency, compact structural dimensions, ultra-low decibel footprints, and direct smart control integration.
Whether configuring automated assembly lines in Western Europe, high-pressure laser cutting bays in Southeast Asia, or medical laboratory devices in North America, standardizing on compact twin-screw and scroll systems offers a high return on investment.
At the center of our technical design layout is the Variable Frequency PM (Permanent Magnet) VSD drive motor. By running the system at speeds dynamically matched to the physical air consumption at any given millisecond, VSD PM systems reduce electrical consumption by up to 35% compared to fixed-speed alternatives.
Additionally, our twin-screw rotors feature asymmetric profiles that compress air via a continuous, pulse-free volumetric sweep. This minimizes thermal losses and mechanical friction, keeping air discharge temperatures extremely low.
Industrial real estate is highly valuable. Our "All-In-One" or "Four-In-One" designs represent a leap forward in spatial footprint minimization. By integrating the high-pressure rotary air compressor, micro-glass filtration modules, dual adsorption/refrigerant air dryers, and a certified steel air receiver into a singular pre-piped enclosure, setup time is reduced to plug-and-play installation.
This layout ensures minimal pressure loss throughout the internal pipe manifold, maximizing overall tool output.
| Compressor Type | Typical Power Range | Core Application Scenario | Energy Optimization Level | Key Structural Feature |
|---|---|---|---|---|
| Permanent Magnet VSD Screw | 7.5kW to 315kW+ | Variable air demand assembly lines, CNC machining yards | Ultra-High (Up to 35-40% savings) | Oil-cooled dynamic permanent magnet synchronous motor |
| Two-Stage Compression Screw | 37kW to 280kW+ | Heavy industrial manufacturing, non-stop chemical facilities | Maximum volumetric output per kW | Split rotor casing with inter-stage cooling oil injection |
| Dry Oil-Free Screw / Blower | 15kW to 280kW+ | Pharmaceuticals, food processing, water aeration | High efficiency with clean discharge | Zero oil path seals in compression chamber, special coatings |
| All-in-One Compact Systems | 7.5kW to 22kW | Small machine shops, laser cutting stations, precision labs | Optimized system pressure layout | Integrated refrigerated dryer, filter banks, and air tank |
Established in early 2004 as a British-owned manufacturing firm, Shanghai Honest Compressor Co., Ltd. has grown into a leading industrial designer and large-scale exporter of twin-screw air compressors in China. Our primary production facility is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China.
Through two decades of manufacturing, we have built a reputation for designing robust and efficient compressed air systems. Our product portfolio spans from 3kW to 480kW, featuring piston systems (low, medium, high-pressure oil-free), rotary twin-screws, scroll compressors, high-speed gas separation equipment, refrigerant dryers, and advanced ceramic filtration membranes.
We are a dedicated global OEM/ODM manufacturing partner. Our facilities maintain strict compliance with ISO, CE, and equivalent global standards, delivering reliable industrial utility machinery to global markets.
Heavy-duty integrated smart design featuring compact layouts, optimized piping, and minimal pressure drop across all elements.
Class 0 clean air output with zero risk of processing oil leakage, perfect for medical, food packing, and microelectronics.
High-capacity plant installation designed to minimize noise pollution while operating continuously at high duty cycles.
Utilizes two stages of compression to lower inter-stage pressure ratios, maximizing volumetric output per unit of energy.
A double-integrated workshop solution optimized for space-constrained manufacturing and auto repair facilities.
All-inclusive configuration containing compressor, dryer, filters, and tank for clean, dry air out of the box.
Designed for heavy chemical and metal casting systems, offering significant energy savings and stable continuous pressure.
Massive industrial system built to run at 1.3Mpa while optimizing power draws via permanent magnet variable speed drive.
A simple, robust direct-drive compressor built for workshop environments with steady, constant air demands.
Features acoustic dampening enclosures, high-quality integrated components, CE certification, and a 1-year system warranty.
Model XD-8A offering 0.8-1.2m3/min delivery at 7-12bar. Features automatic PLC controller and low operational noise (63dB).
Features an equal-pressure ratio design to minimize leakage. First and second-stage rotors are driven independently for optimal speed matching.
Optical laser cutting requires assistant gases to blow away slag and protect lenses from back-spatter. Standard 8-10 bar compressors fail to provide a clean finish on thick stainless or carbon steel sheets. Our specialized 20 bar screw compressor line provides high-pressure, dry, oil-free compressed air, helping businesses avoid expensive cylinder gas costs.
Biological treatment tanks require continuous, low-pressure air to keep microbes alive. High-pressure air throttled down causes significant energy waste. Our EGV-series oil-free VFD PM screw blowers are engineered for these environments, supplying high volume flow at optimal pressure points to reduce plant energy bills.
Electric air compressors represent a primary power draw in modern industrial operations. Our technical roadmap focuses on permanent magnet motors (IE4/IE5 efficiency levels), dual-stage compression configurations, and smart IoT control monitoring. These components work together to optimize energy use based on real-time plant air demands.
Our engineering R&D is focused on three primary areas designed to optimize system reliability and efficiency:
Integrating synchronous reluctance permanent magnet (SynRM) motors to reduce rotor heating losses and lower operational energy consumption.
Deploying integrated sensor arrays to track system temperatures, pressures, and vibration profiles, allowing operators to plan maintenance ahead of time.
Transitioning to biodegradable lubricating fluids and specialized physical coatings to prevent rust and system wear without harmful chemical outputs.
Fixed-speed compressors run at a constant speed regardless of air demand, bypassing excess air via unload cycles that consume about 70% of full-load power. In contrast, PM VSD (Variable Speed Drive) systems adjust motor speeds dynamically to match real-time air use. This layout minimizes unloaded run time, limits starting current spikes, and can reduce overall energy bills by 30% to 50% depending on the facility's demand profile.
Compressing air in a single stage to high pressures (above 8 bar) results in significant heat generation, which lowers volumetric efficiency. By dividing the compression work across two distinct stages with inter-stage cooling oil injection, the air temperature is lowered before the second compression step. This process brings the compression cycle closer to isothermal conditions, increasing volumetric output per kilowatt of input power.
We maintain strict adherence to ISO 9001 quality management procedures and CE product safety directives. For North American markets, our electrical panels can be configured to meet UL/CSA certifications, and pressure vessels can be fabricated to ASME guidelines. Every unit undergoes rigorous load-testing before shipment to ensure stable field operation.
Oil-injected screw compressors inject lubricating oil directly into the compression chamber to seal clearance gaps, absorb compression heat, and lubricate the rotors. This oil is later separated out via high-efficiency filter elements. Oil-free systems, on the other hand, rely on timing gears to prevent rotor contact and feature specialized coatings instead of oil lubrication, ensuring 100% oil-free discharge air for highly sensitive applications.
High-power, dry-running design engineered to deliver Class 0 certified oil-free air for large food processing plants and sensitive chemical operations.
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Heavy-duty refrigerated air dryers designed to remove moisture and water vapor from compressed air lines, protecting downstream pneumatic tools from corrosion.
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Equipped with a permanent magnet variable frequency motor and two-stage compression, offering high volumetric efficiency in a compact frame.
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A direct-drive design with integrated inverter control, allowing precise pressure management across standard industrial operating ranges.
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A scroll compressor featuring an oil-cooled permanent magnet motor, designed for applications requiring extremely quiet and continuous operation.
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A dual-function system engineered to support both positive pressure compressed air and vacuum pump operations within a single control loop.
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A complete 11kW system featuring an integrated dryer assembly, designed to supply clean, dry air with a minimal floor footprint.
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A flexible industrial screw compressor series available from 15kW to 75kW. Built to handle heavy factory workloads while optimizing energy use via VSD control.
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