Flexible and reliable refrigeration compressors
Atlas Copco Gas and Process refrigeration compressors offer 100% oil-free operation at 98% availability. HANDLE THE PRESSURE Refrigeration compressors Designed with flexibility in mind, Atlas Copco Gas and Process integrally geared centrifugal refrigeration compressors deliver the refrigeration capacity you need at the efficiency you expect during every stage of your plant’s production cycle.
Compressor Adaptation Diagram
Optimized for efficiency Surge line Control line Operating Point
Our compressors ensure your application’s Pressure Design Point refrigeration needs are met with a highly DGV Min. efficient machine designed to run Pressure ∆p Operating Set Point Position continuously for years. Each compressor Demand Decreases impeller is specially designed and built for a TB Amount of particular process condition matched with Gas recycled System via Recycle Valve the optimal speed through pinion and bull Demand gear set ensures around 10% minimum better efficiency than existing technologies. -14º -12º -10º -7º -4º 0º
25% 50% System New Demand 100% Flow Control Range Recycle Control Range vDGV (Turndown) Mass Flow at Enhanced flexibility Normal Operation with variable diffuser guide vanes Integrally geared centrifugal Compressor Compressor refrigeration compressors are LP stage HP stage Benefits designed with variable diffuser guide vanes (vDGVs) to Refrigeration simulation capabilities accomodate up to 50% turn- replicate your process requirements Condenser down of operation and meet with an optimized design that fits your your high and low duties in both Vaporizer NGL / frac duty, process gas and ambient ethane recovery and rejection modes. Each LP Vaporizer HP conditions. section is mounted on a separate pinion for Expansion Suction valve maximum flexibility. drum Product scope / offering: Install-ready compressor with integral gearbox, driver and essential systems for your refrigeration loop, all on one skid.
CAPEX & OPEX: We’re committed to matching your investment targets while Features ensuring optimal life-cycle costs.
Oil-free design Compact design with no grouting Service and aftermarket support through our global network of customer centers. The centrifugal compressors’ 100% Directly mounted on their foundation oil-free assembly eliminates the possibility without grouting, our machines do not of condenser and process contamination, require dampeners, since centrifugal as well as the need for oil-coalescing compressors are pulsation-free. Technical Specifications filters. Control system Inlet pressure: Suitable for Class I, Div. 2 hazardous 0,99–4,48 bar(a) locations, our on-skid control panel is 14,5–65 psia ready for integration with your process plant control and distributed control Outlet pressure: systems. An off-skid control panel is Up to 27,57 bar(a) available. Up to 400 psia
Seals and bearings Inlet temperature: -41 to -1,1° C (propane) Available single dry gas face seals keep -42 to 30° F (propane) process gas in the system. Hydrodynamic horizontally split bearings simplify Refrigeration duty: maintenance and withstand settle-out Standardized: up to 50 MMBtu / hr conditions. Customized: > 50 MMBtu / hr Power: Standardized: 2 250–6 000 hp Customized: > 6 000 hp Atlas Copco Gas and Process 46 School Road, Voorheesville, NY 12186, USA atlascopco-gap.com