Features of GREENAIR Two-Stage Compressor
(1) Two-Stage Compression
Two-stage compression reduces the compression ratio of each stage, minimizes internal leakage, improves volumetric efficiency, reduces bearing load, and increases the life of the host.
(2) Increased Displacement
Two-stage PM VSD replaces single-stage compression, increasing displacement by nearly 15%, which can achieve an additional 15% energy saving effect.
(3) Patented Rotor Profile
The rotor adopts the latest patented rotor UV profile, refined through more than 20 procedures to ensure accuracy, reliability, and effectiveness.
(4) Energy Savings
The two-stage PM VSD air compressor mainframe is more efficient and energy-saving, potentially saving up to 40% energy compared with ordinary industrial frequency machines. Calculated at 8000h/unit/year, it can save electricity costs of 30,000 USD per year.
Advantages of GREENAIR Two-Stage Compressor
(1) More Energy Efficient
A two-stage PM VSD rotor is directly driven through gears, allowing each rotor stage to achieve optimal speed. The air end consistently runs at the best energy-saving speed, with frequency conversion soft-start reducing energy consumption during startup. By controlling pressure between stages, the compressor always operates at peak efficiency under varying conditions, potentially saving 40% energy compared to a single-stage fixed-speed air compressor.
(2) More Stable
With no mechanical transmission failure, the motor and rotor use an integrated shaft structure, eliminating the risks associated with coupling and gear failures.
(3) More Efficient
The PM VSD motor offers energy-saving advantages with no transmission efficiency loss. Its one-piece structure further reduces efficiency losses associated with coupling and gears.
(4) More Comfortable
Features low noise and low vibration; there is no motor, bearing, gear, or coupling noise.
(5) More Compact
The PM VSD motor's small size and integrated structure save space.
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