Designed for applications demanding pure, contaminant-free air. Employs advanced water lubricating technology to ensure zero hydrocarbon residue while retaining optimal thermodynamic performance.
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Equipped with a permanent magnet motor and an advanced variable speed inverter drive. Optimizes specific energy consumption by balancing compression ratios across two independent rotor stages.
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A heavy-duty configuration leveraging inter-stage cooling to mitigate thermal expansion and leakage, providing robust flow rates for large-scale production facilities.
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Designed for critical applications, this 1.3Mpa unit delivers exceptional flow volume while meeting global green procurement and Level 1 energy standards.
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A low-profile configuration featuring high mechanical accessibility, simplified service steps, and robust component construction for continuous runtimes.
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Utilizes dynamic speed modulation to dynamically match process demand, reducing power usage under varying workload distributions.
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Engineered for durability. Features high-tensile auto-tensioning belts and premium bearing arrays to maintain performance in demanding operational environments.
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Features real-time pressure profiling to maintain system pressure within ±0.01Mpa, avoiding blow-down loss and lowering operating costs.
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Shanghai Honest Compressor Co., Ltd. is a British-invested enterprise established in early 2004. Located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China, our company has grown into a leading developer of twin-screw air systems.
We supply a comprehensive range of compression systems, including high-pressure piston compressors, oil-free rotary systems, gas separation plants, refrigerant dryers, and precision filters. We are dedicated to providing systems that optimize thermodynamic and mechanical efficiency.
Years of Engineering Experience
Certified Facility Processes
Max Compression Capacity
Modern industrial diesel air compressors operate in challenging conditions, from sub-zero tunneling environments to high-ambient desert environments. Ensuring performance under these conditions requires focusing on three key engineering challenges: thermodynamic efficiency, emissions compliance, and digital control integration.
Transitioning to Stage V & Tier 4 Final: Industrial diesel engines require integrated exhaust gas aftertreatment systems to meet strict emissions regulations. Our engineering roadmap includes Selective Catalytic Reduction (SCR) and Diesel Particulate Filters (DPF). These components are integrated with our rotary screw air-ends to optimize fuel use and power distribution across variable workloads.
Integrating IoT and CAN bus Diagnostics: Remote monitoring is critical for field operations. Our compressor designs feature microcontrollers that interface with the engine control unit (ECU) via J1939 CAN bus protocols. This enables real-time monitoring of discharge temperature, engine oil pressure, air filtration restriction, and volumetric efficiency, supporting predictive maintenance and reducing unexpected downtime.
Underground and open-pit mining operations require reliable compressed air to power pneumatic drilling rigs and ventilation systems. Our heavy-duty diesel compressors are built to handle high particulate dust levels, featuring multi-stage cyclonic air pre-filters that keep the intake stream clean.
Our OEM custom compressors can be fitted with spark arrestors, overspeed shutdown valves, and anti-static fan belts. These safety features make them suitable for installation in hazardous, volatile environments such as refineries and offshore rigs.
Large infrastructure projects require reliable, continuous air power. Our two-stage high-pressure screw compressors deliver steady CFM flow rates at high pressure, keeping long-distance concrete spraying equipment and pneumatic breakers running efficiently.
Combines screw air compressor, refrigerant dryer, line filters, and air receiver tank in a single compact system to simplify installation and save floor space.
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Designed for applications requiring high-purity air. Uses carbon-graphite and advanced seal technology to prevent oil migration into the compression chamber.
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A large-capacity oil-free system designed for pharmaceutical, food processing, and electronics manufacturing facilities.
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Utilizes two-stage compression to reduce internal leakage losses, lowering energy consumption compared to single-stage units of similar capacity.
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A space-saving unit combining a rotary compressor and receiver tank, designed for small-to-medium industrial workshops.
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An integrated station with active air drying, filtration, and storage capability, providing dry, clean compressed air from a single unit.
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Engineered for large industrial systems. Uses inter-stage fluid injection to lower compression temperatures and improve thermodynamic efficiency.
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Features permanent magnet motor technology and variable frequency drives, maintaining optimal efficiency across varying system air demands.
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A simple, fixed-speed direct-drive system built for reliable operation in continuous base-load industrial applications.
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Designed for low-noise operation, this integrated screw compressor system is suitable for workshop installations without separate enclosure rooms.
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Features a compact direct-coupled layout, IP55 enclosure protection, and integrated monitoring of discharge parameters.
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Uses a dual-rotor configuration within a single casing, optimizing compression ratios to reduce mechanical and volumetric efficiency losses.
Product Details →Our production facility in Jiading, Shanghai, integrates modern manufacturing technologies to ensure high-precision assembly. We utilize advanced rotor grinding machines and automated quality-control check stations to maintain tight clearances within our screw air-ends, which is critical for volumetric efficiency.
Operating in Shanghai provides access to a complete supply chain for high-performance components, including cast casings, precision shafts, and integrated electronics. This local ecosystem, combined with direct access to the Port of Shanghai, allows us to manage manufacturing lead times efficiently and deliver systems globally.
Every compressor undergoes factory testing under simulated load conditions. We verify performance metrics such as pressure containment, vibration levels, and operating temperatures, ensuring that all shipped units comply with international standards.
For procurement managers, evaluating a heavy industrial compressor requires looking beyond the initial purchase price to analyze the Total Cost of Ownership (TCO). Power consumption typically represents the largest portion of a compressor's lifetime cost. Our Variable Speed Drive (VSD) and permanent magnet systems are designed to match output to dynamic demand, helping to reduce energy costs during periods of lower activity.
OEM and ODM Customization: We offer tailored customization to meet specific site requirements. This includes dry-type oil-free configurations for chemical processing, skid-mounted portable units for construction sites, or specialized canopy models designed to reduce noise in populated areas.
Ensuring Global Compliance: Our engineering processes are certified to international standards. We design systems to comply with CE, ASME, and ISO 1217 standards, ensuring that our compressors meet the safety and environmental regulations of diverse global markets.
We actively participate in international industrial machinery exhibitions and trade shows to present our latest developments in rotary compression and energy-efficient systems.
These events allow us to connect with customers, share engineering insights, and discuss application requirements face-to-face. We also monitor market research, such as reports on the dry vacuum pump and industrial compressor sectors, to align our product R&D with evolving market needs.
Our engineering team works closely with global partners to design air systems that meet specific regional requirements and operational conditions.
Two-stage compression divides the total compression ratio across two separate rotor stages. By cooling the air between stages (intercooling), the process is brought closer to isothermal compression. This reduces the work required for the second stage, lowering overall power consumption compared to single-stage units.
Regular maintenance includes checking engine oil and coolant levels, replacing air filters to prevent contamination, monitoring oil separator elements, and inspecting belt tension or coupling alignment. Standard service intervals typically range from 250 to 500 operating hours, depending on dust levels and environmental conditions.
A Variable Speed Drive Permanent Magnet (VSD PM) system utilizes an inverter to adjust the motor's rotational speed in response to changes in air demand. By avoiding the energy-intensive start-stop cycles of fixed-speed machines, it helps maintain stable line pressure while reducing power consumption during low-demand periods.
Dry-type oil-free compressors feature compression chambers that are completely isolated from the lubricating oil systems of the bearings and gears. This isolation is achieved using high-durability carbon seals and atmospheric vent chambers, ensuring that no oil can enter the air path.
High ambient temperatures reduce air density, which can lower mass flow rates, and increase thermal loads on the compressor's cooling system. Our units are configured with oversized cooling packages and high-performance synthetic lubricants to ensure reliable operation in temperatures up to 50°C.
The integrated controller monitors key parameters including discharge pressure, air-end temperature, engine coolant temperature, oil pressure, filter restriction status, and running hours. It is designed to shut down the system automatically if parameters exceed safe operational limits, protecting critical components from damage.
Features a built-in air dryer and filtration package, delivering clean, dry air from a single, space-saving unit.
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An integrated industrial compressor system designed for quick installation and simple operation in smaller workshops.
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A dual-use screw machine designed for both vacuum extraction and positive air displacement applications.
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Replacement filtration components designed to maintain low oil carryover and protect internal airend surfaces.
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Combines two-stage compression with VFD motor control, providing high efficiency for medium-scale operations.
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A heavy-duty direct-drive platform built for continuous operation in demanding manufacturing environments.
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Uses permanent magnet frequency control to maintain stable vacuum levels in industrial process environments.
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A high-capacity, oil-free compressor designed for facilities requiring large volumes of clean, dry compressed air.
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