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This is a two-stage, dry-type, oil-free screw airend manufactured by GHH RAND, model CD42D. It is the core component of a large, high-end, oil-free compressor, increasing air pressure to a higher level through two-stage compression.
Features and Benefits
Two-Stage Compression Design: Air is compressed sequentially through two series-connected screw units, with cooling in between. This design reduces the compression ratio and exhaust temperature at each stage, improving overall efficiency and service life.
100% Dry and Oil-Free: No lubricant is contained within the compression chamber. Precision gears ensure contactless, synchronous operation of the rotors, producing pure air that meets the highest oil-free standards (ISO 8573-1 Class 0).
Efficient and Reliable: Thanks to GHH RAND's patented rotor profile and precision manufacturing process, this airend maintains high efficiency, low energy consumption, and exceptional reliability over a wide range of operating conditions.
High-Pressure Output Capability: The two-stage design easily achieves high discharge pressures (typically exceeding 13 bar or higher) that are difficult to achieve with single-stage oil-free airends, meeting specialized high-pressure process requirements.
Application
This high-performance air conditioner is designed for industries with extreme pressure and purity requirements. Its primary applications are:
High-pressure process gas compression: Compression of feed or process gases for specific processes in the chemical and petrochemical industries.
Critical instrument air systems: Applications requiring high-pressure, oil-free instrument air in large power plants and refineries.
Specialty gas industry: Boosting and transporting gases such as nitrogen and oxygen.
High-end manufacturing and testing: Precision manufacturing processes requiring high-pressure, pure gas sources for testing or production.
This is a two-stage, dry-type, oil-free screw airend manufactured by GHH RAND, model CD42D. It is the core component of a large, high-end, oil-free compressor, increasing air pressure to a higher level through two-stage compression.
Features and Benefits
Two-Stage Compression Design: Air is compressed sequentially through two series-connected screw units, with cooling in between. This design reduces the compression ratio and exhaust temperature at each stage, improving overall efficiency and service life.
100% Dry and Oil-Free: No lubricant is contained within the compression chamber. Precision gears ensure contactless, synchronous operation of the rotors, producing pure air that meets the highest oil-free standards (ISO 8573-1 Class 0).
Efficient and Reliable: Thanks to GHH RAND's patented rotor profile and precision manufacturing process, this airend maintains high efficiency, low energy consumption, and exceptional reliability over a wide range of operating conditions.
High-Pressure Output Capability: The two-stage design easily achieves high discharge pressures (typically exceeding 13 bar or higher) that are difficult to achieve with single-stage oil-free airends, meeting specialized high-pressure process requirements.
Application
This high-performance air conditioner is designed for industries with extreme pressure and purity requirements. Its primary applications are:
High-pressure process gas compression: Compression of feed or process gases for specific processes in the chemical and petrochemical industries.
Critical instrument air systems: Applications requiring high-pressure, oil-free instrument air in large power plants and refineries.
Specialty gas industry: Boosting and transporting gases such as nitrogen and oxygen.
High-end manufacturing and testing: Precision manufacturing processes requiring high-pressure, pure gas sources for testing or production.
