Partial Wheel Worm Gearbox

Multi-turn Gearbox BA is combined with Multi-turn actuators for multi-turn applications where screwed or keyed stems are used to operate the valve. Combinations between Multi-turn Gearbox BA and Multi-turn actuator AVA are available up to 7500Nm torque and 850 kN thrust output. With cast iron housing, BA range ratio is from 3:1 to 18:1

The chain gearbox is mainly used for gate valve and globe valve, gearbox ratio from 2.35 to 23, torque from 360Nm to 6000Nm, flange from F12 to F35 according to ISO5210, standard gearbox is IP67 and -20℃ application, for IP68 or lower temperature, welcome conatct us for detail.

The manual spur gearbox is mainly used for pipe network valves, like gate valve, globe valve and penstock, it can installed at any angle, hand wheel size can design according client's project. Generally the ratio is 3, 3.5, 4.8, can be customized according operation time requirement, need any information, welcome contact us.

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.