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KRSP2 (Premium Two Stage)
Power consumption is a significant cost throughout the life cycle of a compressor accounting to more than 85% of the life cycle cost of a compressor. Therefore, it is important to consider the energy efficiency of a compressor when evaluating productivity improvement projects. KRSP2 series's advanced energy saving features reduces operation costs significantly.
INNOVATIVE DESIGN
Kaishan KRSP2 series is engineered in a manner which defines Hot and Cold zone in our compressor package. These designs improve the efficiency and performance of high value items like Air-Oil Separator, Lubricant and Air-End. Compressor and cooler suction are well defined ensuring no mixing of air from Hot zone and Cold zone.
Heavy-duty isolators minimize wear and tear over time and a variety of cooling features maintain an ideal operating temperature to reduce the risk of overheating. Best of all, when routine maintenance is required, accessible components keep downtime to a minimum
KRSP2 Two-stage air compressor features
High Efficiency 5:6 Screw Profile
Two Stage compression.
Premium World renowned High Efficiency motors.
High-performance electrical wiring.
316 stainless steel control tubing.
Centrifugal cooling fan
Triplex-discharge bearings gives high reliability
Two-pass Coolers
High Performance Layout for Hot and Cold Zone.
RELIABLE Air-End
KRSP2 compressors feature Patented “SKY” Screw Element with triplex discharge bearings that have a longer service life as compared to dual bearings. As a result, our products will deliver reliable performance, year after year, with lower maintenance costs.
Larger Rotor Size:
To increase the rotor throughput, the Air-ends of our Compressors are larger than usual. Our Air Compressors
are built with 5/6 lobes and larger rotor size which reduces the specific power Consumption and operates at slow speed.
Lower inter-lobe leakage losses:
Pressure differences between two neighboring working chambers is small due to a higher number of lobes. This
reduces inter-lobe leakage losses. Leakage to delivery ratio decreases as the number of rotor lobes increases.
Larger wrap angle & discharge port:
Higher number of lobes combined with a larger wrap angle ensures multiple rotor contact. This reduces vibrations and thus minimizes noise. Larger discharge ports decrease the discharge velocity and therefore reduce the discharge pressure losses, thereby increasing the compressor’s overall efficiency.
KAISHAN TWO STAGE SCREW COMPRESSOR
Two-stage compressors have a power advantage over equivalent size single-stage compressors for two key reasons: Inter Cooling System and division of Compression Ratio. In a single stage compressor operating at 72 psig at sea level, the compression ratio is 5 to 1 (in absolute terms). A two-stage compressor operating at the same pressure will have a compression ratio of 2.23 to 1 in First stage (2.23 is the square root of 5) achieving the compressor’s power savings.
Compression is divided between the two stages : In a single stage compressor operating at 72 psig at sea level, the compression ratio is 5 to 1 (in absolute terms). A two-stage compressor operating at the same pressure will have a compression ratio of 2.23 to 1 in First stage (2.23 is the square root of 5) achieving the compressor’s power savings.
Internal leakage losses are reduced :
Reduced pressure difference across each stage facilitates reduction in leakage loss.
Extended bearing life : By dividing the compression ratio across two stages, the two stages will significantly exceed the life of the average single-stage compressor. Bearing loads reduced to 1/3 of single stage Airend.
Use Multi-stage Compressors
Compressing in multiple stages allows cooling to occur between the stages, which saves work in the compression process. Inter-coolers are provided between successive stages of a multi-stage compressor to remove the heat of compression hence reduces the work of compression (power requirements).
P-V Graph For Single Stage
Compressor
P-V Graph For Two Stage Compressor With Intercooling
At Kaishan, we know that technological advancements march on, so we invest aggressively in the future. We continually work to make our products safer and more efficient while adhering to the OSHA standards.
