Pennwalt Ltd. Offers Vibrating Screens for Wet Solid-Liquid Separation/Dry Solids Classification. Pennwalt Ltd. Supplies anti-corrosive fluoropolymer coatings, linings, fabrication and welding of chemical process equipments. Vibrating Screens is used for wet solid-liquid separation or for dry solids classification. Vibrating Screens is a circular unitised gyratory screen. It has a three-component multiplane mechanical vibration. It handles wet & dry screening of particles ranging from 10mm down to 400 mesh in size. It gives very high capacity per sq.Ft of screening area & consumes minimum energy. The motivation is through a motor with a double extended shaft, fitted at both ends with eccentric weights.