Eta Technology [P] Ltd offers 3 Ton Friction Welding Machines for Engine Valves. Eta Technology [P] Ltd manufactures a wide range of special purpose machines, electrical upsetting machines, assembly machines and test rigs for auto components. 3 Ton Friction Welding Machines for Engine Valves are incorporated with auto-load/ auto-transfer to deflect/ deflash/ unload with Total cycle time within 9 seconds. This machine is also available from 30 Ton in horizontal version and vertical version.