Helium users are responding to years of tight supply and high prices by investing in on-site recovery, purification and liquefaction systems. Suppliers including Evonik and Atlas Copco say efficiency, ...

The oil-free screw compressors of the VRA series are used in single and multi-stage configurations in chemical, petrochemical industry, raw material and energy production plants and in many other ...

Ningbo BaoSi Energy Equipment Co., Ltd. engages in the manufacture and sale of screw compressor. Its products include host machine, rotor, medium-pressure screw compressor; gas screw compressor; ...

One of the newer technologies involves twin screw compressors. This article will look at service-related aspects of such a unit. The screw compressor is a positive-displacement rotary mach-ine.