Irvine, Calif.-based Burkert’s two-way diaphragm valves are available with intelligent ON/OFF and continuous proportional control—or manual control—giving users more options in managing solution rates. Available in either plastic or stainless steel for flexibility in process design. Types 2030/2031 for automated process control and Types 3232/3233 for manual control provide 2-way flow of gases and fluids, ultra-pure, sterile, aggressive or abrasive media.