Premium OEM/ODM system configurations featuring low-noise rotary screw mechanics and Class 0 dry-type oil-free technologies.
Oilless industrial rotary screw air compressor engineered for critical high-purity environments requiring absolute noise control and zero oil presence.
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High-capacity 8bar two-stage compression screw system featuring a permanent magnet inverter drive for optimal energy efficiency and minimal sound profile.
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Industrial stationary rotary screw machines ranging from 7.5kW to 535kW, supporting pressure operations from 7bar to 13bar at factory prices.
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All-in-one space-saving design with intelligent Variable Speed Drive PM/VFD motor controls for versatile, localized facility applications.
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Heavy-duty 75kW workhorse system designed for continuous 24/7 industrial deployments, featuring direct coupling and robust filtration.
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High-pressure screw compressor designed specifically to support precision metal laser cutting machines with dry, high-volume air flow.
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Fixed-speed system integrating the air compressor, tank, dryer, and multi-stage filtration in a single compact, ultra-quiet unit.
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Ultra-high-power oilless dry screw compressor optimized for pharmaceutical, biological, and food processing plants requiring clean, silent air.
View SpecificationsMeeting Global Compliance, Decibel Thresholds, and Green Initiatives.
Modern industrial facilities operate under strict regulatory and environmental parameters. The historical paradigm of loud, shaking compressor rooms isolated at the outskirts of a facility is obsolete. Industry 4.0 dictates smart, decentralized, and quiet air delivery systems directly integrated adjacent to work cells.
By prioritizing acoustic attenuation, variable frequency speed regulation (VSD), and permanent magnet motor setups, we deliver solutions that reduce power overhead by up to 35% while suppressing dynamic pressure pulses and ambient high-frequency vibration.
Founded in early 2004, Shanghai Honest Compressor Co., Ltd. stands as a premier British-owned enterprise specializing in high-performance twin-screw air systems. Operating from a state-of-the-art facility located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China, we provide end-to-end industrial air system solutions to major global markets.
Our manufacturing complex spans advanced assembly bays, research facilities, and precision acoustic calibration chambers. We design and manufacture comprehensive air lines from 3kW to 480kW, encompassing:
We work closely with global OEM and ODM brands, delivering field-tested durability, CE/ISO compliance, and customized integration packages suited for demanding operating conditions.
Providing the critical purity, reliability, and low acoustic interference required by advanced modern operations.
High-pressure 20bar configurations ensure clean, oil-free cutting gases for high-precision laser cutting. Dry, constant pressure preserves optics and ensures smooth cuts on thick metal plates.
Dry-type oil-free screw air systems comply with absolute Class 0 air requirements, eliminating chemical or oil aerosol contamination risks during pill pressing, filling, and packaging.
Static-free, oil-free systems supply precise air pressure for robotic assembly Arms and sensitive pick-and-place component machines, working quietly within the production floor envelope.
A deep dive into the mechanical and control innovations behind our quiet air systems.
Our two-stage rotary screw compressors optimize pressure distributions between first and second-stage rotors. By splitting the compression ratio, we reduce internal blowby, decrease mechanical stress, and lower total power consumption. Interstage cooling lowers temperatures closer to isothermal compression, ensuring superior volumetric efficiency.
Standard fixed-speed compressors experience heavy energy spikes during start-up and continuously run on load/unload cycles, wasting energy when demand fluctuates. Our Permanent Magnet Variable Speed Drive (PM VSD) system adapts dynamically to target flow rates. It features rare-earth permanent magnet motors (IP55 protection) that retain maximum torque even at low speeds, preventing over-pressurization and thermal surges.
Our quiet compressors utilize a multi-layer sound enclosure lined with premium flame-retardant soundproofing foam. Structural elements are mounted on specialized anti-vibration rubber pads, decoupling the rotating block from the casing. The interior cooling air path is routed through custom noise-baffling ducts, which dissipate high-frequency acoustic waves while maintaining efficient heat rejection.
Explore detailed technical data sheets, layout parameters, and OEM/ODM options across our core product models.
Fully integrated compact system combining rotary screw, air tank, dryer, and filtration for space-constrained production facilities.
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Engineered for cleanroom integration, producing zero waste oil while meeting stringent environmental noise guidelines.
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High-power oilless dry screw compressor built for continuous heavy chemical, biotechnology, and food processing lines.
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Optimizes dynamic pressure curves and volumetric efficiency to achieve superior airflow-to-power consumption ratios.
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Dual system coupling a low-noise screw block with integrated high-efficiency air filtration elements.
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Designed for heavy industrial environments, combining a large air output with optimized interstage thermal cooling.
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Features high pressure, variable speed controls, and a direct-drive design for maximum performance under varying workloads.
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A dependable, simple-to-maintain choice for workshops requiring constant, uninterrupted air delivery.
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Integrated explosion-proof design option, energy-saving, and ultra-silent. Warranty: 1 year for whole machine. CE/ISO certified.
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Free air delivery: 0.8-1.2m³/min. Pressure: 7-12bar. Noise: less than 63dB(A). Direct driven, automatic PLC controls.
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Combines both rotors in one housing. Direct drive gear synchronization matches rotor speed to output requirements, cutting noise and energy loss.
Request Technical DatasheetPurchasing air compressors for international industrial plants requires checking detailed technical specifications. The matrix below shows how our custom options align with typical requirements:
| Sector | Air Requirement | Pressure range | Target Sound Level | Recommended Configuration |
|---|---|---|---|---|
| Electronics | ISO Class 0 Oil-Free | 7 - 8.5 bar | < 62 dB(A) | Dry Oilless Screw + Inverter VSD |
| Precision Fabrication | Highly Dry, Clean Air | 16 - 20 bar | < 68 dB(A) | Specialized 20bar Laser Cutting Air System |
| Chemical & Pharma | Zero Oil, Clean Air | 8 - 10 bar | < 65 dB(A) | Water-Lubricated or Dry Oil-Free Screw |
| Heavy Manufacturing | High Volumetric Flow | 7 - 13 bar | < 72 dB(A) | Two-Stage Energy-Saving Rotary Screw (110kW+) |
At Shanghai Honest Compressor, our research focuses on three primary goals: green operations, smart digital controls, and lower acoustic impact.
Detailed technical answers for engineering heads, procurement directors, and plant managers.
Dry-type oil-free compressors run without any lubricating oil in the compression chamber. The synchronized rotors are timed with precision gears, keeping them from touching. This guarantees oil-free air (Class 0, ISO 8573-1) without requiring downstream oil filters. Oil-injected models inject oil into the chamber to lubricate, seal, and cool the system, which then requires extensive filtration to clean the air.
Fixed-speed compressors cycle between load and unload settings, running the motor at full speed even when demand falls. This wastes considerable power. Permanent Magnet Variable Speed Drive (PM VSD) systems adjust motor speed directly to match real-time air use. Running at lower speeds reduces energy consumption, maintains constant pressure, and lowers starting current spikes.
Two-stage compression divides the compression load between two separate rotor pairs. This lowers the pressure ratio across each stage, which decreases internal leakage and increases volumetric efficiency. Interstage cooling between the stages keeps the air temperature down, bringing the process closer to energy-efficient isothermal compression and reducing power usage by 10% to 15% compared to single-stage units of the same size.
We reduce noise using three main features: first, heavy, sound-insulated cabinets with flame-retardant foam lining; second, anti-vibration mountings under the motor and compressor block; and third, air intakes and exhausts routed through baffled paths to stop sound waves while maintaining cooling flow.
Laser cutting requires dry, clean, oil-free, and high-pressure air. Moisture or oil traces can contaminate protective lenses, causing cutting errors. System buyers should check pressure dew points (ideally below -40°C), residual oil content (Class 1 or Class 0), and stable pressure controls to prevent cutting defects on thick metal plates.
Our entire line meets international industrial quality standards, including European CE safety directives, ISO 9001 quality management, ISO 14001 environmental management, and ISO 8573-1 air purity standards. We also offer ASME-certified pressure vessels and custom electrical installations (such as UL or CSA compliance) for specific regional regulations.
Premium OEM/ODM system parts, separators, vacuum systems, and variable drive units designed for heavy industrial use.
High-precision replacement oil separators and air filtration media designed to maintain low pressure drops and high air purity.
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Variable frequency drive screw system delivering up to 30% energy savings under dynamic load cycles. Pressure range 7-12.5bar.
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Compact 11kW/15HP screw compressor featuring a built-in refrigerated dryer and integrated air filtration.
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Wide capacity range (15kW to 75kW) featuring permanent magnet motors and responsive frequency inverters.
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High-efficiency 7-13bar direct drive compressor with two-stage screw configuration and smart inverter control.
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Space-saving integrated layout, matching motor speeds to demand for workshop air lines.
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Direct-drive oil-cooled rotary screw compressor engineered for efficient temperature control in hot environments.
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Double-duty PM AC rotary system designed for both vacuum extraction and standard low-pressure air supply lines.
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