 | | Rotary screw compressor with direct drive 25-450 hp | |
Specifications
Models: ASD to FSD series
Horsepower: 25-450 hp
Capacities: 72-2015 cfm
Standard pressures 80-217 psig
Optimized Efficiency
With Kaeser's one-to-one drive, the airend is directly connected to the motor via a maintenance-free coupling that eliminates transmission losses. Kaeser’s direct drive screw compressors deliver outstanding performance and increase
energy savings.
Kaeser uses oversized airends specifically selected to produce the required output in flow and pressure. Compared to compressors using small, high-speed, gear-driven airends, the one-to-one drive provides significant savings.
Triple savings - No-loss power transmission
- Lower power consumption
- Reduced maintenance and related downtime costs
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 | Performance Verification Program
Models between 25-200 hp participate in the Compressed Air and Gas Institute's Performance Verification Program. Kaeser's certified compressor performance claims are verified by an independent, third party laboratory offering end-users assurance that rated capacities, electrical input power, and especially our specific package performance claims are accurate and un-altered.
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 | The energy-saving Sigma Profile airend
Kaeser's power-saving, proprietary airend design delivers pressures up to 217 psig. Our newly designed airends are precision-machined to close tolerances and optimized in size and profile to match the low airend speeds with their best specific performance. Manufactured according to strict quality standards and supported by precision-aligned roller bearings, these airends guarantee long operational life and outstanding reliability.
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 | Large airend, lower speed
Larger airends turning at lower speeds are more efficient - producing more air for the same power than small, high-speed airends. Low speeds also mean less wear and reduced maintenance costs.
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 | Quiet and efficient radial fan
The powerful radial fan is extremely quiet due to its slow peripheral speed. It consumes up to 50 percent less power than a comparable axial fan. The radial fan's high residual thrust is perfect for ducting and heat recovery without the need
for auxiliary fans.
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Sigma Control 2
The compressor control system features an industrial-based PC with update capabilities, Intel® microprocessor, and real-time operating system. Pre-loaded control profiles are available to precisely match compressor performance to air demand. System can display status in any one of 30 selectable languages.
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