This document provides information on various types of valves for hydraulic works including dams and power plants. It describes fixed cone valves, bonneted gates, butterfly valves, tilting disc check valves, roller gates, radial gates, stop logs, single wedge valves, and penstocks. For each type it provides the main applications, maximum dimensions, operating pressures, materials used, and key features. The document aims to outline the product range and specifications for valves suitable for various hydraulic infrastructure applications.