China 4 in 1 Fixed Speed Single Stage Air Compressor Supplier
Elily's commitment to high-efficiency engineering shines through every element of this compressor. The fixed speed motor offers dependable performance without the complexity of variable speed drives, making it ideal for users who value simplicity and longevity. The single stage compression mechanism is optimized for applications requiring moderate pressure with high volumetric flow. The integrated refrigerated air dryer reduces moisture to a level that protects downstream equipment, while the coalescing filter captures oil aerosols and fine particulates. The result is a machine that consistently delivers ISO 8573-1 quality compressed air right out of the box.
Installation and Setup Simplicity
One of the most compelling arguments for an integrated compressor is the drastic reduction in setup time. The Elily 4 in 1 Fixed Speed Single Stage Air Compressor arrives pre-wired, pre-piped, and pre-commissioned from our factory. The receiving operator only needs to position the unit on a level floor, connect the power supply, and attach the air distribution pipe to the single outlet. There is no need to align motors, mount dryers on separate stands, or fabricate interconnecting piping. This minimizes installation costs and eliminates common errors that lead to leaks and pressure drops.
The Elily Smart Controller provides an intuitive interface for commissioning. It displays critical parameters such as operating pressure, air outlet temperature, dryer dew point, and service reminders. For facilities with building management systems, the controller can communicate via RS-485 or optional Ethernet protocols, allowing remote startup, shutdown, and monitoring. The controller also implements automatic start/stop logic based on tank pressure, conserving energy during idle periods.
Frequently Asked Questions
Can the integrated refrigerated dryer operate effectively in a hot environment?
Yes, Elily has designed the refrigeration circuit with an oversized condenser and sufficient refrigerant charge to maintain a steady +3°C pressure dew point even in ambient temperatures up to 45°C. In extreme conditions, the dryer automatically triggers a high-pressure safety switch to protect the compressor. For installations where the ambient temperature routinely exceeds 45°C, we recommend improved ventilation or a dedicated cooling air duct. The dryer’s performance is continuously monitored via a temperature sensor at the evaporator outlet, displayed on the controller. Regular cleaning of the condenser fins is essential to preserve heat exchange efficiency, especially in dusty environments.
How does the Elily filtration system protect downstream equipment?
The two-stage filtration inside the 4 in 1 Fixed Speed Single Stage Air Compressor is carefully matched to the compressor’s output. The first stage is a 3-micron pre-filter that removes bulk water droplets and larger solid particles. This protects the second-stage coalescing filter from premature clogging. The coalescing filter reduces oil aerosol concentration to less than 0.01 mg/m³ and captures particles down to 0.01 micron. This level of filtration meets the requirements for most industrial painting, instrumentation air, and laboratory use. By removing oil and water before air enters the tank and distribution piping, the system prevents the formation of acidic sludge inside pipes, eliminates corrosion, and drastically reduces tool maintenance. An optional activated carbon filter can be added externally for applications requiring total organic vapor removal, such as breathing air after proper monitoring.
What are the main differences between a fixed speed and variable speed compressor in the 4 in 1 configuration?
The key difference lies in how the motor responds to air demand. A fixed speed compressor runs at a constant RPM and cycles between loaded, unloaded, and stopped states based on pressure. It is best for applications where air usage is fairly constant because it delivers full flow whenever the motor is loaded. A variable speed compressor adjusts motor RPM to match air demand continuously, which can save energy when demand fluctuates widely. However, the fixed speed option—such as this Elily model—has fewer sensitive electronic components, lower initial cost, and is less susceptible to damage from dirty power or voltage fluctuations. For workshops that load the compressor heavily for most of the workday, the efficiency difference narrows significantly, making the fixed speed integrated package an extremely cost-effective solution.
Does the Elily 4 in 1 Fixed Speed Single Stage Air Compressor require a special foundation?
No special foundation is needed. The compressor features a robust base frame with vibration isolation pads that effectively dampen transmitted vibration. It can be placed directly on a standard industrial concrete floor that is level and capable of supporting the unit’s weight. As best practice, ensure the floor is clean and free of debris that could interfere with the pads. In installations where the compressor must be positioned on an upper floor or mezzanine, a structural engineer should review the point loading to confirm the floor’s load-bearing capacity. Since the compressor does not generate extreme unbalanced forces, dynamic loading is minimal, simplifying installation even in older buildings.
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37kW High Pressure 4 in 1 Fixed Speed Air Compressor
Crafted for superior performance, Elily’s 37kW High-Pressure 4-in-1 Fixed-Speed Screw Air Compressor is built to satisfy rigorous industrial operation demands. As a professional technology-driven manufacturer, we adopt precision machining and equip every machine with premium matching components.
22kW High Pressure 4 in 1 Fixed Speed Air Compressor
Customizable 22kW high-pressure 4-in-1 fixed-speed air compressor by Elily at favorable factory prices. Equipped with air cooling system, 66±3dB low noise and four-stage 0.01ppm precision filtration. Preloaded with 20L special high-pressure lubricant. Compact size 1960×760×1850mm, weight 580kg with 1" port. Suitable for parallel installation and centralized air supply of large bottle-blowing workshops.
15kW High Pressure 4 in 1 Fixed Speed Air Compressor
As a professional Chinese manufacturer and supplier, Elily delivers reliable 15kW high-pressure 4-in-1 fixed-speed air compressors together with full-process professional project support for global clients.
This unit adopts efficient forced-air cooling technology and operates at a low noise level of 65±3dB. It is factory-equipped with a 16L large-capacity high-pressure lubrication system to ensure stable lubrication and prolonged service life. Fitted with an oversized 2.4m³/min high-pressure refrigerated dryer and four-stage precision filtration system, it achieves filtration accuracy up to 0.01ppm, consistently delivering dry, clean and impurity-free high-pressure compressed air.
With compact overall dimensions of 1820×700×1650mm, a 3/4-inch air outlet interface, and a total weight of 425kg, this integrated compressor perfectly replaces traditional high-pressure piston compressors. It is widely applicable for medium-scale high-pressure production scenarios, including PET bottle blowing, high-pressure waterjet cutting, and high-pressure laser cutting industries.
11kW High Pressure 4 in 1 Fixed Speed Air Compressor
Integrated with a high-pressure refrigerated dryer and a high-precision four-stage filtration system with 0.01ppm filtration accuracy, this unit consistently delivers dry, oil-free and impurity-free high-pressure compressed air, fully meeting strict industrial air quality standards.
Featuring compact overall dimensions of 1650×650×1520mm, a 3/4-inch air outlet interface and a net weight of 355kg, the all-in-one design eliminates the need for additional separate downstream air treatment equipment. It is perfectly suitable for a wide range of application scenarios, including high-pressure coding, industrial pipeline pressure testing, and auxiliary air supply for small and medium-sized PET bottle blowing production lines.
7.5kW High Pressure 4 in 1 Fixed Speed Air Compressor
Searching for a trustworthy Chinese manufacturer? Elily supplies premium 7.5kW high-pressure 4-in-1 fixed-speed air compressors.
This integrated unit incorporates a compressor, air receiver, high-pressure refrigerated dryer and precision filters, built for 1.0–1.5 MPa medium-to-high pressure operations. Fitted with an industrial fixed-speed high-pressure airend and sturdy direct-drive structure, it requires no extra downstream treatment equipment and supports plug-and-play startup after power connection.
It serves as an economical solution for small-scale blow molding, leakage testing and high-pressure laboratory applications.
22kW 4 in 1 Fixed Speed Single Stage Air Compressor
Elily 22kW 4-in-1 fixed-speed single-stage air compressor integrates a high-power compression host, large-capacity air tank, 4.2m³/min industrial refrigerated dryer and four-stage high-precision filtration system in one compact unit.
Tailored for centralized air supply in large workshops and multi-line production sites, this all-in-one equipment replaces traditional decentralized compressor stations. It features lower overall investment and simplified daily maintenance, perfectly suited for large automated production lines, automotive painting workshops and electronics manufacturing factories. Feel free to submit an RFQ to obtain a fast, competitive factory quotation.
Benefit from 20,000㎡ modern manufacturing facilities and strict standardized production protocols for every 4 in 1 Fixed Speed Single Stage Air Compressor. Email Elily today to locked-in the best wholesale rates for your project!
