Semi-hermetic ammonia screw compressor
In industrial refrigeration, minimizing leakage and ensuring efficient cooling are crucial. Traditional refrigerants combined with high operating costs pose significant operational challenges that demand modern, reliable solutions.

Reduces leakage risk while maximizing efficiency
The GEA CompaX is a semi-hermetic ammonia screw compressor designed to enhance safety and efficiency in refrigeration applications. Operating without a shaft seal, it minimizes leakage risk, making it suitable for use in populated areas. The compressor features low vibration and noise levels, ensuring a quiet operation. Utilizing ammonia as a natural refrigerant, the GEA CompaX offers impressive efficiency due to its wide, stepless adjustable internal volume ratio (Vi) and a broad speed range. Available in two models, the 350 and 400, they offer flow volumes of 321 and 372 m³/h respectively. With speeds of up to 6,000 rpm, and the option for multi-compressor setups, these units cater to various capacity requirements. This solution is ideal for small to large cooling applications, providing reliable, low-maintenance performance. GEA’s extensive experience and expertise in screw compressor technology ensure high safety and reliability standards in the GEA CompaX.
Benefits
- Minimized leakage risk without a shaft seal
- Low vibration and sound levels for quiet operation
- High efficiency with a wide speed and internal volume ratio range
- Compact design for space-saving and easy packaging
- Reliable and low-maintenance performance