Advanced Materials & Tribology supplies High Temperature Resistant Valve Body Bushing. Advanced Materials & Tribology offers a wide range of Oil-less self-lubricated Bearings and Plates, Self Lubricating Bushes and Pump Bearings. Advanced Materials & Tribology is an ISO accredited company. The High Temperature Resistant Valve Body Bushing finds application in refineries and chemical processing in SMR process gas cooler where the flow of the 1400°F hydrogen stream is controlled by blade and butterfly dampers.