Worm Drive Gearbox

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.

The indication gearbox mainly used for gate valve, globe valve and penstock, help client observe valve position. Manual or motorized operation optional. With this mechanical pointer, client can easily know valve position even when actuator power fails.The gearbox water tight class is IP67, working temeprature is -20℃ to 80℃, but IP68 or lower temperature is optional according requirement and quantity, welcome contact us for detail.

ZJY side mount gearbox is mainly designed for convenience of manual operation or actuator products installation, it's mainly used to operated butterfly valve, ball valve, damper and other quarter turn valve, the max torque can reach 100,000Nm, water tight class is IP65, working temperature from -20℃ to 80℃.

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.