More than half a century ago, the introduction of Hennecke’s HK Series of metering machines ushered in a new manufacturing era -- high-pressure polyurethane processing. Today, high-pressure metering machines are the standard in many PUR processing applications. Depending on the plant configuration and the mixhead used, these modern metering machines allow processors to efficiently and economically produce the full range of rigid foams and flexible foams, as well as integral skin foams. The consistently modular construction offers processors more flexibility, also in the long term, if, for example, they later wish to expand production or combine with production plants.