4000mm size – Turbine inlet valve with gantry crane and other accessories for Tamilnadu Electricity Board for their Servalar Hydro-electric Project.Valves are designed to close against turbine runaway during an emergency condition. These valves act as isolating devices for inspection of penstock without dewatering entire head race tunnel. Yet another important application is for large water supply schemes fed from reservoirs through long pipelines, failure of which can cause disastrous floods.