GEA Screw Compressors Screw compressors for industrial refrigeration and air conditioning

Top quality based on proven development Whether it’s in the food industry, chemical industry, in offices or in shipping, they all need refrigeration. GEA has the optimal cooling and air conditioning solutions for your requirements. We place particular value on energy efficiency, reliability, cost efficiency and sustainability. As an international technology leader, GEA focuses on process technology and components for sophisticated production processes. GEA is also extensively and intensively familiar with compressor technology. The top quality of our screw compressors is the product of years...

• Infinitely variable capacity and Vi (internal volume ratio) control • GEA-designed 5 / 6 rotor profile • Patented vibration protection system, preventing pulsations in part load at high pressure ratios • High-performance bearings and hydraulic axial force compensation for long product lifetime • Standardized and hermetically sealed slide position indicator • Easy replacement of thrust bearings and shaft seal, with no dismantling of compressor or motor required • Explosion-proof design upon request • Approvals according API 619 or ISO 10440, further approvals upon request • Pressure ratings:...

GEA Grasso M compressors are the first screw compressors with an integrated pressure-activated check valve ensuring low pressure drop. The integration of the suction filter and coupling housing greatly simplify assembly of the package. The outstanding energy-efficiency of these compressors is based on the infinitely adjustable capacity combined with the extended variable Vi-range. The variable speed from 1000 to 4500 rpm (6000 rpm for C, D, E, G) ensures a wide operation range and maximum efficiency in full and part load. GEA Grasso M comes in eight model sizes and covers a swept volume range...

UNIQUE FEATURES AND ADVANTAGES: 1. High-efficiency rotors 7. Integrated suction strainer • GEA-designed 5 / 6 rotor profile • Compact design for easy packaging • Compact and stiff design 8. Pressure-activated suction check valve 2. Capacity-/Vi-control • Minimized pressure drop • Compact and integrated system • No spring, no valve chattering • Stepless capacity control (10 –100 %) • Mirrored design enables reciprocal installation of suction side • Best COP at full and part load 3. Slide position indicator • Hermetically sealed • Reduced gas pulsation and vibration at low part loads • Suitable...

The GEA Grasso LT series comes in sixteen sizes and with a swept volume ranging from 805 to 11,467 m3/h at 2940 rpm. Owing to the combined sleeve and anti-friction bearing to the rotors, the compressor has an extremely long life cycle and low noise and vibration levels. Connections are also possible for pressure, temperature and vibration sensors. The simple design features a smart integration of the oil management by direct-connected solenoid valves for Vi (internal volume ratio) and for capacity adjustments. Direct accessibility of the solenoid valves and various components allow easy assembly...

• Connections for vibration monitoring system • Journal bearings for high load • Contact-free operation, no wear • Easy and quick access from non-drive end • Unloaded by balance piston, for long lifetime • Reduced gas pulsation and vibration at low part loads • Compact and integrated system • Stepless capacity control (10-100 %) • Best COP at full and part load • High-performance design and materials • Easy access for servicing • Suction-end mounted for extended lifetime • GEA-designed 5 / 6 rotor profile • Compact and stiff design • ECO connections for maximum capacity increase and higher efficiency...

Series Compressor Swept volume 1 with coupling housing 2 suction connection 3) discharge connection

Series Compressor Swept volume Max. design. Dimensions DN1 11 DN2 2> Weight 1 suction connection 2)discharge connection

Performance Data GEA GRASSO M Series Compressor type 28 bar compressor 1) (kW) Cooling capacity 2) R717 | -35/+35 °C at 2940 rpm with 5 K superheat and 0 K subcooling, stated temperature values: evaporation/condensation with economize

Series Compressor 28 bar compressor 11 type (kW)

engineering for a better world GEA Group is a global engineering company with multi-billion euro sales and operations in more than 50 countries. Founded in 1881, the company is one of the largest providers of innovative equipment and process technology. GEA Group is listed in the STOXX® Europe 600 Index. GEA Refrigeration Germany GmbH RT-002-0301-US-EU © GEA GEA Refrigeration Germany GmbH. All rights reserved. Subject to modifications.