Ingeco Gears Pvt Limited offers Helical Speed Reducer with Oil Seal. Ingeco Gears Pvt Limited is an ISO 9001: 2000 accredited company a wide range of Speed Reducers, Reduction Gearboxes and Ground Gears for various industrial applications. The Helical Speed Reducer with Oil Seal is designed specially for use on systems for single screw extrusion of various materials such as plastic and rubber. The Helical Speed Reducer with Oil Seal is a two stage reducer with a normal reduction ratio ranging between 10:1 and 15:1 and is suitable for plastic blow moulding machines.