The KBZ and KBU are large, medium speed reciprocating separable compressors. Since the product family's introduction in 2002, they have proven to be one of the most cost effective methods of compression for pipeline transmission, power generation, refrigeration, processing, and all other applications requiring large horsepower drivers and compression capacity. Cylinders, specifically for pipeline transmission (ZL & UL) are available, as well as a full range of cylinders for all other applications.