KIMAIR SV Series Inverter Rotary Screw Air Compressors

The KIMAIR SV series inverter rotary screw air compressor utilizes advanced variable frequency control technology. Traditional fixed-speed compressors often operate at a constant speed during operation, which can lead to energy waste when air demand fluctuates. The SV series, however, adjusts the motor speed through frequency conversion, automatically modulating the compressor's output based on actual air demand, allowing the compressor to always operate at its optimal working state. This intelligent regulation method not only significantly reduces energy consumption but also minimizes equipment wear and extends the compressor's service life. According to actual application data, compared to traditional fixed-speed compressors, the SV series inverter rotary screw air compressor can save 20% - 35% in energy, substantially reducing operating costs for businesses.

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Inverter Rotary Screw Air Compressor

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Video Tutorial

KIMAIR SV Series Inverter Rotary Screw Air Compressors Principle Explanation Video

KIMAIR Core Advantages

Demand-Driven Supply, Significant Energy Savings

Compared to fixed-speed units, average energy savings can reach 20%-35%, depending on the load factor.
Soft Start, Grid-Friendly

The variable frequency start current is lower than the rated current, resulting in reduced impact on the power grid and mechanical components, extending equipment life.
Precise Constant Pressure

High pressure control accuracy (±0.02 MPa) improves process stability and product consistency.
Wide Voltage Adaptability

Excellent tolerance for voltage fluctuations, ensuring stable operation even in areas with poorer power supply quality.

Technical Specifications

Model	Motor Power		Free air delivery (m³/min)			Outlet	Weight (kg)	Dimensions (mm)
Model	（kW）	（Hp）	0.7MPa	0.8MPa	1MPa	Outlet	Weight (kg)	Dimensions (mm)
K10SV	7.5	10	1.1	1.0	0.9	G¾	190	900600950
K15SV	11	15	1.9	1.8	1.5	G¾	236	11007501050
K20SV	15	20	2.4	2.3	2.0	G¾	236	11007501050
K30SV	22	30	3.7	3.6	3.1	G1	650	13808201260
K50SV	37	50	6.5	6.2	5.4	G1½	655	15009201260
K75SV	55	75	10.2	9.5	8.2	G2	950	160010501500
K100SV	75	100	13.6	12.8	11.0	G2	1070	200011501600
K120SV	90	120	16.1	15.5	13.0	G2	1221	200011501600
K150SV	110	150	21.3	18.8	16.8	DN65	1950	240016502000
K180SV	132	180	24.0	22.4	20.5	DN65	2150	240016502000
K220SV	160	220	27.0	26.5	22.5	DN80	3620	280018282150
K250SV	185	250	32.0	30.0	26.8	DN80	3920	280018282150
K270SV	200	270	34.5	34.0	30.5	DN80	4200	280018282150
K300SV	220	300	36.0	34.7	31.5	DN100	4800	426021822170
K340SV	250	340	43.0	41.0	38.0	DN100	5200	426021822170
K420SV	280	380	51.0	50.0	46.0	DN100	7300	436021502258
K420SV	315	420	56.0	55.0	50.0	DN125	7500	436021502258

Application Scenarios

- Supporting cyclical air demand equipment such as injection molding machines and die-casting machines.
- Production lines with frequent air demand changes, such as textiles and food packaging.
- As energy-saving retrofit projects to replace older fixed-speed air compressors.

Customer Frequently Asked Questions (FAQ)

Q: What is the main difference between the SV variable frequency model and the PS permanent magnet variable frequency model?

A: The core difference lies in the motor. The SV uses a high-efficiency asynchronous variable frequency motor, while the PS uses an IE5 permanent magnet synchronous motor. Permanent magnet motors are more efficient at partial loads, so the PS series offers superior energy efficiency (approximately an additional 8% improvement), but with a higher initial cost. The SV is a highly cost-effective variable frequency energy-saving solution.

Q: Is the variable frequency drive (VFD) prone to failure? Are maintenance costs high?

A: KIMAIR utilizes internationally leading brand VFDs, which undergo rigorous compatibility testing and derating design, ensuring high reliability. The VFD itself is essentially maintenance-free, and our control system incorporates comprehensive protection functions. Routine maintenance is similar to that of fixed-speed units and requires no additional special care.

Why choose the KIMAIR SV series?

- Excellent Cost-Effectiveness as an Entry-Level Energy-Saving Solution: Delivers immediate energy-saving results with a more accessible initial investment, making it the preferred choice for variable frequency retrofits.
- Stable and Reliable Variable Frequency Experience: Utilizes a mature and stable asynchronous motor and VFD matching scheme, resulting in a low failure rate and hassle-free maintenance.
- Broad Applicability: Suitable for most scenarios with fluctuating air demand, easily integrating into existing production lines.
- Foundation for Intelligent Control: Serves as a starting point for factory compressed air system intelligence, allowing for smooth future upgrades to more advanced centralized control systems.