Established in 1967, Nencini brings over 45 years of design and manufacturing experience to accomplish any job efficiently and effectively. Initially producing air valves for hydraulic power plant and discharge valves for potable and irrigation water pipelines, we expanded our production to include large energy-dissipating valves for hydraulic power plants, and discharge valves for dams. Production range : air valves, flow control valves, discharge valves, on off valves for maintenance or safety, check valves, pressure control valves, level control valves, other on demand. The company is ISO 9001 & OHSAS 18001 certified.