Worm Gear Reducer

Greatork minus 60℃ low temperature gearbox mainly used to extreme low temperature enviroment, especially for North China area, Russia, Ukraine, and Kazakhstan, the torque is as same as standard temeprature worm gearbox, but replaced inside spares to meet extreme low temperature requirement, we also provide customize service, can design and process according client's specific requirement.

Quarter turn Gearbox is combined with Multi-turn actuators for quarter-turn applications. It can operate quarter-turn valves and damper for high performance of torque,like ball valve, butterfly valve, etc. Combinations between quarter-turn Gearbox and Multi-turn actuator AVA are available up to 400,000Nm torque. With cast iron housing, actuator ratio is from 40:1 to 5000:1. Worm gearbox can be with lever or without if it is required, max can reach IP68, -60℃ low temperature.

Greatork IP68 gearbox is designed on the basic of standard gearbox, the seal part has enhenced for IP68 application, it's mainly used for butterfly valve, ball valve and damper, can work under water for long time, the torque max can reach 400,000Nm when connect with electric actuator, gearbox ratio from 40:1 to 5000:1. Worm gearbox with lever or without is optional.

Multi-turn Gearbox IZ is combined with Multi-turn actuators for multi-turn applications. Combinations between Multi-turn Gearbox IZ and Multi-turn actuator AVA are available up to 25000Nm torque. With cast iron housing, IZ range ratio is from 6:1 to 12:1.