We are offering high performance flange ball valves. product feature extra high cycle life provided by spherical segment stem self-adjusting stem seal automatically adjusts seal to compensate for were temperature, and pressure fluctuations. Blow-out proof stem body construction in investment cast anit-static device three-piece swing out design for in-line maintenance iso 5211 mounting dimension for easy automation double body seal feature to suitable for high pressure. Air cushioned handle sleeve for confortable manual operation.