Howden manufactures oil injected and oil free rotary twin screw compressors, either bare shaft or packaged. This animation demonstrates the inner workings. Rotary twin screw compressor technology was developed in the 1930s by a Swedish company, SRM, in collaboration with Howden. We manufactured the world’s first operational screw compressor and further developed the technology in the 1960s with the introduction of the oil injected twin screw compressor. This has revolutionised designs of refrigeration and gas handling plants worldwide.

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