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The Rotorcomp EVO-3 is a highly regarded third-generation asymmetric screw air-end designed as a robust and efficient workhorse for industrial compressed air systems. It represents a proven and cost-effective technology that balances performance, reliability, and value, making it a widespread choice in numerous applications.
Technical Parameters
Model | Motor Power(min~max) | Max Flow rate | Pressure Range | Weight | |||
kW | HP | m3/min | cfm | bar | psi | kg | |
EVO3 | 5.5~18.5 | 7~25 | 2.9 | 102 | 5~15 | 70~220 | 21 |
Asymmetric 4+6 Rotor Profile: The EVO-3 utilizes a patented asymmetric profile with 4 lobes on the male rotor and 6 flutes on the female rotor. This design offers a significant efficiency improvement over older symmetric profiles by optimizing the sealing line and internal compression ratio.
Proven and Robust Design: Built with a focus on durability, it features a strong cast iron housing, high-precision rotors, and a reliable bearing configuration designed for continuous operation.
Optimized Oil Injection Path: Engineered to ensure effective cooling and lubrication of the rotors and bearings, contributing to stable operating temperatures and reduced thermal stress.
Versatile Configuration: The EVO-3 is designed to perform well across various operating conditions and is commonly found in both fixed-speed and early-generation variable speed drive (VSD) compressors.
Focus on Balanced Performance: The design prioritizes a strong combination of efficiency, durability, and manufacturability, making it a highly practical and widely adopted solution.
High Energy Efficiency: While the newer EVO-6 profile offers marginal gains, the EVO-3's 4+6 asymmetric profile was a major leap forward in its time. It delivers excellent volumetric and adiabatic efficiency, leading to lower specific energy consumption compared to previous-generation symmetric air-ends.
Outstanding Reliability and Durability: Renowned for its rugged construction and long service life. Its robust design minimizes wear and handles demanding duty cycles with ease, often exceeding 60,000 to 80,000 hours before a major overhaul under proper maintenance.
Excellent Cost-to-Performance Ratio: It offers a very attractive balance between initial investment, operational efficiency, and maintenance costs. This makes it a financially sensible choice for many businesses where the premium for the latest ultra-high-efficiency models may not be justified.
Lower Internal Leakage: The asymmetric profile creates a better sealing line between rotors than older symmetric designs, reducing internal air leakage during compression and boosting overall efficiency.
Wide Availability of Parts and Service: As a long-established and widely used model, replacement parts, service kits, and technical expertise for the EVO-3 are readily available globally, ensuring minimal downtime.
General Manufacturing: Machine shops, automotive component manufacturing, metal fabrication, and assembly lines.
Workshops and Garages: Providing power for pneumatic tools, paint spraying, and tire service.
Packaging and Material Handling: Operating fillers, sealers, conveyor systems, and palletizers.
Textile and Woodworking: Powering machinery in mills and workshops.
Plastics Industry: Used in blow molding, extrusion (for less critical air quality), and general plant air.
Construction and Mining: As part of stationary or larger portable compressor units for powering tools and equipment.
Agriculture: For dairy operations, grain handling, and processing facilities.
The Rotorcomp EVO-3 is a highly regarded third-generation asymmetric screw air-end designed as a robust and efficient workhorse for industrial compressed air systems. It represents a proven and cost-effective technology that balances performance, reliability, and value, making it a widespread choice in numerous applications.
Technical Parameters
Model | Motor Power(min~max) | Max Flow rate | Pressure Range | Weight | |||
kW | HP | m3/min | cfm | bar | psi | kg | |
EVO3 | 5.5~18.5 | 7~25 | 2.9 | 102 | 5~15 | 70~220 | 21 |
Asymmetric 4+6 Rotor Profile: The EVO-3 utilizes a patented asymmetric profile with 4 lobes on the male rotor and 6 flutes on the female rotor. This design offers a significant efficiency improvement over older symmetric profiles by optimizing the sealing line and internal compression ratio.
Proven and Robust Design: Built with a focus on durability, it features a strong cast iron housing, high-precision rotors, and a reliable bearing configuration designed for continuous operation.
Optimized Oil Injection Path: Engineered to ensure effective cooling and lubrication of the rotors and bearings, contributing to stable operating temperatures and reduced thermal stress.
Versatile Configuration: The EVO-3 is designed to perform well across various operating conditions and is commonly found in both fixed-speed and early-generation variable speed drive (VSD) compressors.
Focus on Balanced Performance: The design prioritizes a strong combination of efficiency, durability, and manufacturability, making it a highly practical and widely adopted solution.
High Energy Efficiency: While the newer EVO-6 profile offers marginal gains, the EVO-3's 4+6 asymmetric profile was a major leap forward in its time. It delivers excellent volumetric and adiabatic efficiency, leading to lower specific energy consumption compared to previous-generation symmetric air-ends.
Outstanding Reliability and Durability: Renowned for its rugged construction and long service life. Its robust design minimizes wear and handles demanding duty cycles with ease, often exceeding 60,000 to 80,000 hours before a major overhaul under proper maintenance.
Excellent Cost-to-Performance Ratio: It offers a very attractive balance between initial investment, operational efficiency, and maintenance costs. This makes it a financially sensible choice for many businesses where the premium for the latest ultra-high-efficiency models may not be justified.
Lower Internal Leakage: The asymmetric profile creates a better sealing line between rotors than older symmetric designs, reducing internal air leakage during compression and boosting overall efficiency.
Wide Availability of Parts and Service: As a long-established and widely used model, replacement parts, service kits, and technical expertise for the EVO-3 are readily available globally, ensuring minimal downtime.
General Manufacturing: Machine shops, automotive component manufacturing, metal fabrication, and assembly lines.
Workshops and Garages: Providing power for pneumatic tools, paint spraying, and tire service.
Packaging and Material Handling: Operating fillers, sealers, conveyor systems, and palletizers.
Textile and Woodworking: Powering machinery in mills and workshops.
Plastics Industry: Used in blow molding, extrusion (for less critical air quality), and general plant air.
Construction and Mining: As part of stationary or larger portable compressor units for powering tools and equipment.
Agriculture: For dairy operations, grain handling, and processing facilities.
