FOR EFFICIENT COMPRESSION OF HYDROGEN ELECTROLYSIS

With the VRW536M, AERZEN is further expanding its portfolio of screw compressors for hydrogen compression. The design and water injection of the innovative compressor stage allow the highest differential pressure to date in a single-stage oil-free screw compressor in the competitive environment. The result: minimal footprint and significantly reduced investment and operating costs.

Bringing large H2 volume flows to intermediate and final pressures with fewer compressor stages without having to set up largest reciprocating compressor systems - this is exactly where the new oil-free VRW536M screw compressor from AERZEN comes in. 

Compression is based on the principle of oil-flooded screw compressors - with a small but subtle difference: the oil was replaced by water. The water serves both to cool the gas and to seal the internal gaps, enabling compression to higher differential pressures with highest efficiency. This stage can, thus, replace a two-stage system with classic dry screw compressors and is even more energy-efficient. For the customer, this results in significant advantages in terms of installation space as well as investment and operating costs.

Applications:
The new package was specially developed for the efficient and safe compression of hydrogen, but is also ideally suited for other critical applications, such as flare gas or contaminated gases. In principle, the VRW536M can be ideally used as a pre-compressor (booster) for subsequent compressor technologies. The scope of delivery includes the customer-specific package with auxiliaries, the drive train, the instrumentation (optionally with machine monitoring), and on request also the complete control system and the acoustic hood.

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