Flow-Tek, Inc. is offering uni-directional, metal seated design as an additional option to its full port Flanged Series. This option increases the temperature rating to 750°F (399°C) and enhances wear resistance, while maintaining the proven safety and reliability of existing Flow-Tek valves. With themodular, interchangeable part system, the modi cation kit can be used with ASME and DIN valves for sizes ranging from 1⁄2″ – 8″ (DN 15-200). A DIN version FD15/FD30 is also provided.