Two-Stage Rotary Screw Compressors

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Two-Stage Rotary Screw Compressors

Two-Stage Compressors Engineered for High-Demand Industrial Performance

Two-stage rotary screw air compressors are engineered to reduce heat generation during compression, resulting in higher efficiency, lower energy consumption, and reduced mechanical wear. In demanding industrial environments with continuous or extended runtime, this translates to lower operating costs, improved reliability, and longer equipment life without sacrificing performance.

Two-Stage Compressors Engineered for High-Demand Industrial Performance image

Proudly Supplying Kaishan KRSP2 Two-Stage Rotary Screw Compressors

Canex Technologies is proud to supply Kaishan KRSP2 two-stage rotary screw compressors, engineered to deliver reliable, energy-efficient compressed air across a wide range of industrial applications. Backed by a patented two-stage rotor design and a lifetime air end warranty, the KRSP2 series offers a strong balance of efficiency, reliability, and low cost of ownership.

These air compressors are built to lower operating costs over time through reduced power consumption, durable construction, and minimal maintenance requirements. Built-in controls support sequencing, remote monitoring, and automated fault protection so op

Kaishan KRSP2 Two-Stage Rotary Series

  • 125 HP to 600 HP range (fixed speed); 30 HP to 600 HP (variable speed)
  • 510 to 3345 CFM (fixed speed); 135 to 3,331 CFM (variable speed)
  • 100 to 175 PSIG pressure rating (fixed speed); 100 to 150 PSIG (variable speed)
  • Fixed speed and variable speed drive configurations
  • Air- and water-cooled options available
  • Lifetime air end warranty (applies only to the 115-150 PSI range); five-year main motor and major component warranty
  • Two-year air end warranty (above 175 PSI)
Left-Angle-Kaishan KRSP2 Two-Stage Rotary Series image

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WHY CANEX TECHNOLOGIES

Why Choose Canex Technologies For Your Two-Stage Rotary Screw Compressors

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Advanced Compressor Technology

Canex Technologies supplies Kaishan KRSP2 compressors designed for consistent performance in real-world industrial environments. Our compressor experts will help you determine which compressor best fits your load profile.

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Support You Can Count On

Our Ontario-based team provides responsive, hands-on guidance to help keep your systems running smoothly. We also offer access to technical service support to help minimize downtime throughout the life of your equipment.

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Real-World Compressed Air Experience

With decades of experience in compressed air systems, we help you select, optimize, and maintain the right KRSP2 compressor for your application. Our goal is to ensure your system performs effectively in practice, not just on paper.

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Genuine OEM Parts When You Need Them

We stock a full range of Kaishan OEM parts to keep your KRSP2 running within warranty requirements. Our parts inventory reduces wait times when a scheduled service or unplanned repair is needed.

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We encourage you to contact us to discuss how our experienced team can support your compressor needs.

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Frequently Asked Questions

What is a two-stage rotary screw compressor?

A two-stage rotary screw compressor uses two sequential sets of male and female rotors to compress air. In the first stage, atmospheric air enters through the inlet port, where the male rotor and female rotor reduce its volume and raise its pressure. The partially compressed air is then cooled before entering the second stage, where the second stage compression brings it to the final discharge pressure. Intercooling between stages reduces heat and power consumption compared to compressing the same air in a single pass.

How do two-stage screw compressors compare to single-stage air compressors?

Single-stage air compressors compress air from atmospheric pressure to the final discharge pressure in a single step, generating more heat per unit of work at higher pressures and increasing energy consumption. Two-stage rotary screw compressors split the compression process into two steps with cooling in between, reducing the compression ratio each stage handles. This produces less heat, lowers power consumption, reduces wear on airend bearings, and extends air end life. For facilities requiring continuous high-pressure output, the energy savings from a two-stage compressor outweigh the higher upfront cost over a typical equipment lifecycle.

Which industries use two-stage screw air compressors?

Two-stage screw compressors are used across industries that require high-pressure compressed air in continuous or near-continuous operation. Common applications include automotive manufacturing, aerospace, food and beverage processing, pharmaceuticals, pulp and paper, mining, and general industrial manufacturing. The Kaishan KRSP2’s Modbus-compatible controls and three-stage oil separation system also make it well-suited to facilities with strict air treatment requirements.

Does Canex install two-stage rotary screw compressors?

Yes. Canex provides professional installation services for the Kaishan KRSP2 series. Our technicians handle all installation, configuration, and commissioning in accordance with the manufacturer’s specifications, ensuring your warranty coverage is valid from day one. Proper authorized installation is a condition of the Lifetime Air End Warranty for models operating at or below 150 psig.

How does the KRSP2 compare to oil-free compressors?

The KRSP2 is an oil-flooded compressor, meaning oil circulates through the air end to cool, seal, and lubricate the two rotors. This design reduces operating temperatures and extends component life compared to dry-running oil-free compressor designs, which generate more heat and typically require more frequent air end service. The KRSP2’s three-stage oil separation system keeps oil carryover below 3 ppm, meeting the airflow quality requirements of most industrial applications. For applications requiring truly oil-free compressed air, such as food-grade processing or sensitive manufacturing, additional downstream filtration or an oil-free compressor would be required. Speak with our team to determine what’s right for your application.

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