With the ball valve DG 1 presents the user a modern and reliable valve available to a far-reaching. Use in the industry among the various and different operating conditions allow. The ball valve is in the chemical, petrochemical industry, process plants, food and beverage used with success. These temperatures are from -50 ° C to +250 ° C and operating pressures up to 125 bar dominates sure, the maximum operating limits but must always be tailored to the interacting operating parameters. By the free ball passage, a high flow value is reached. Since there is no sealing component in the open state in the medium flow, the ball valve is free of additional deposits and material accumulation.