Worm Drive Gearbox

Quarter turn Gearbox QW is full worm gearbox, which can operate 360 degree for quarter turn application, mainly used for butterfly valve, ball valve and damper, manual or motorized operation is optional. The torque is available up to 11250Nm, QW range ratio is from 51:1 to 442:1.The gearbox stanard is IP67, work temperature -20℃ to 80℃, when need special condition application, welcome contact us.

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

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℃.

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.