Valtorc International introduces high performance, all stainless steel, flanged ends ANSI class 150 Zero Fugitive Emissions Ball Valves. The Series 197 is designed for corrosive media applications and the flanged ends design will fit in most piping applications. The Series 197 comes with high performance Teflon seats. Valtorc USA Series 197 Ball Valves are available from 1/2" sizes to 6". The valves are also available in carbon steel, either manual handles or fully automated with pneumatic or electric automation.