The WP5000 Basic from Sauer is a four-stage, water cooled direct drive air compressor. It has the newest compressors, control systems, compressed-air treatment system and accessories. The product has an interchangeable cooler inserts in floating design and it functions in a decrease piston speed. It also consists of dry liners which has no sealing between oil, water and air spaces. It can handle a maximum water inlet temperature of 40°C. Moreover, it is readily accessible for ease of maintenance and offers a 100% compressor check at final pressure including 3.1 inspection certificate. Also, it can withstand a working temperature of 55°C. The product assures a long service life and has available replacement parts.