KYF-II Forced-Air Mechanical Flotation Machine for Mineral Processing The KYF-II Forced-Air Mechanical Flotation Machine is a mechanical flotation machine designed for mineral processing applications. It uses externally supplied air for aeration and mechanical agitation to promote effective mixing of air and mineral pulp during flotation. The KYF-II series is suitable for use in flotation circuits for the recovery and separation of valuable minerals. Its forced-air design