Pioneering High-Efficiency Industrial Air Solutions, Custom OEM/ODM Engineering, and British-Heritage Manufacturing Standards for Global Smart Factories
In the global industrial landscape, compressed air is often referred to as the "fourth utility." For demanding, continuous-duty environments, the oil-flooded rotary screw air compressor stands as the workhorse of modern manufacturing. Unlike dynamic compressors, the screw compressor is a displacement device that utilizes rotary motion to force gas into a shrinking volume. The injected oil serves three critical thermodynamic functions: it cools the gas during compression (bringing it closer to energy-efficient isothermal compression), seals the micro-clearances between the male and female rotors, and lubricates the heavy-duty bearings that absorb massive axial forces.
As a leading ODM and OEM oil flood screw air compressor supplier and exporter, Shanghai Honest Compressor Co., Ltd. incorporates state-of-the-art rotor profiles. The asymmetric 5:6 lobe configuration optimizes the seal line, minimizing blow-by and lowering the Specific Energy Requirement (SER). Under varying loads, our integrated Variable Speed Drive (VSD) systems adjust motor RPM in real-time, matching flow directly to system demand, which cuts electricity bills by up to 30% compared to traditional fixed-speed modulation controls.
Our engineering ethos bridges high-capacity fluid dynamics and electrical safety. The two-stage compression series (e.g., our IP55/54 55KW/75HP models and 110Kw/150Hp configurations) partitions the total pressure ratio across two distinct air ends. By cooling the compressed air between the first and second stages, volumetric efficiency increases significantly. Interstage cooling lowers the entry temperature of the second stage, requiring less power to compress the air to its target pressure. This configuration delivers higher Free Air Delivery (FAD) per unit of electrical input, making it the preferred design for large-scale steelworks, cement plants, and chemical processing facilities seeking long-term operational savings.
Transitioning from induction motors to oil-cooled Permanent Magnet (PM) synchronous motors. Eliminating rotor slip losses, maintaining near-peak efficiency even at partial loads down to 25% of rated capacity.
Implementing Cloud-connected PLC systems that support Modbus RTU and Ethernet protocols. Providing predictive maintenance metrics, tracking separator differential pressures, and monitoring thermal dynamics in real time.
Optimizing multi-stage centrifugal and coalescing air-oil separators. Bringing oil carryover rates down to less than 2-3 ppm, dramatically extending filter element life and reducing downstream filtration burdens.
Providing continuous high-volume compressed air for assembly lines, robotic paint booths, and pneumatic presses. Our two-stage VSD units ensure rock-solid pressure stability, preventing pressure drops during high-demand cycles.
Engineered for extreme operating environments. Our IP55/54-rated electrical motors, explosion-proof components, and high-performance synthetic lubricants handle ambient temperatures up to 46°C without thermal shutdown.
Heavy-duty cabinet enclosures built to resist fine particulates. Heavy air intake filtration systems protect internal moving components from sand, dust, and abrasive materials, reducing maintenance downtime.
Founded in early 2004, Shanghai Honest Compressor Co., Ltd. operates as a British-owned large-scale manufacturing enterprise. Located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China, we have developed a robust reputation as a key supplier of advanced air system solutions. Our state-of-the-art production plant combines British precision engineering with the efficiency of China's industrial manufacturing powerhouse.
We supply a comprehensive spectrum of compressed air machinery, from twin-screw systems ranging from 3kW to 480kW, gas separation equipment, refrigerant compressors, cold dryers, and micro-heat regeneration desiccant dryers, to specialized components and high-precision consumables. Our manufacturing facility uses CNC rotor grinding, robotic assembly arms, and rigorous computer-monitored testing cells to guarantee every air end meets performance tolerances before shipping.
Explore our integrated air compression packages designed for ultra-silent operation, explosion-proof environments, and premium energy-savings. Each model is fully customizable for international buyers under OEM/ODM parameters.
Integrated air drying and receiver tank storage system in a single structural frame.
Pure oil-free compression for sensitive processes like medical and food production.
Heavy duty high power dry type industrial screw compressor for bulk air demand.
State-of-the-art interstage cooling delivers premium isothermal performance.
Compact direct-coupled unit combining efficient compressor and premium air end.
Complete workshop set including integrated desiccant or refrigerated dryer systems.
Designed for large manufacturing applications demanding constant base-load output.
Premium 315kw plant air package incorporating high-efficiency frequency speed regulation.
Reliable fixed-speed system with simplified mechanical design for easy maintenance.
Integrated screw air compressor, explosion-proof options available. Factory wholesale low prices. We handle extensive OEM operations for internationally renowned brands. Energy-saving, ultra-silent design with 1-year full machine warranty, CE and ISO certifications.
Model XD-8A, FAD 0.8-1.2m³/min. Working pressure 7-12bar. Automatic PLC controller, direct driven with elastic coupling. Air cooling, IP55 protection. Low noise output below 63dB(A).
Reasonable pressure distribution, minimal leakage, and silent operation. First-stage and second-stage rotors housed in a single optimized casing and driven via customized gearing for perfect line-speed alignment.
For international buyers and procurement directors, selecting the correct screw air compressor involves evaluating complex system specifications. Operating voltage and frequency must match local utility regulations. While standard configurations in China run on 380V/50Hz, our export variants are engineered to support 220V, 415V, 440V, 460V, and 575V at both 50Hz and 60Hz. Additionally, environmental conditions—such as high ambient humidity or sub-zero installation zones—require tailored lubricant properties and heater packages.
Another major driver in industrial procurement is system integration. Purchasing individual components (compressor, dry air unit, storage tank, piping) requires extensive engineering coordination. Our integrated "Four-in-One" series simplifies this by including a screw air compressor, refrigeration air dryer, high-precision filters, and an ASME-compliant receiver tank on a single chassis. This design saves footprint, reduces installation time, and eliminates the risk of field-piping leaks.
From an ODM perspective, brand customization extends beyond color and logo placement. We work closely with our partners to design custom PLC control interfaces, select specific motor manufacturers (such as ABB or WEG), and utilize specific air-end designs depending on target price-performance ratios. By partnering with a factory that manages the complete design and manufacturing cycle, distributors can configure unique equipment options that fit their local market demands.
Safety is critical when dealing with high-pressure air systems. All receiver tanks integrated into our compressor packages conform to stringent local laws, including the European CE directive (PED 2014/68/EU), the American ASME standard, or country-specific manufacturing codes. Every pressurized weld undergoes non-destructive ultrasonic and hydrostatic testing to ensure zero structural weaknesses.
To withstand chemical contaminants and heavy dust, our motor enclosures meet IP54 or IP55 protection ratings, with Class F insulation and Class B temperature rise limits. Electrical control panels are built using UL or CE-certified contactors and overload relays. We also supply eco-friendly synthetic oils that meet international environmental disposal laws and carry high flashpoints to ensure operational safety.
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 steady compound annual growth rate. Our engineering teams actively participate in these key global industrial machinery expos to showcase our latest oil-free vacuum and screw blower designs.
