Orbinox XC Knife Gate Valve: Our ‘XC’ series hopper outlet knife gate valve technology is an excellent choice for use within an electrostatic precipitator (ESP) application on a coal fired power station. ESP is a filtration device that removes fine particles, like fly ash, from a flowing gas using the force of an induced electrostatic charge. Our ‘XC’ knife gate valve technology offers a robust and reliable solution in these arduous environments, with field proven results, managing the bulk material from the precipitator hopper system. ORBINOX – Valve solutions in more than 70 countries