Manual Spur Gearbox

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.

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.

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.

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.