• 188 Tongxin, AnshaCommunity, Ansha, Changsha, Hunan, China


Technial Datas

HNTB Manual Worm Gearbox  with basic  technical datas as below,for more details please email us info@hntbvalve.com or add our whatsapp:+86-19119291431

Single-Stage type  Electric worm Gearbox, Double-Stage type manual worm Gearbox

Installed: Horizontal type , Vertical Type


Material Range: A216WCB(CF8,CF8M,LCB,LCE)

Output torque: 500-1500000Nm

IP Grade: IP66-68 and Immersion also could be choosen.


Manual Worm Gearbox are quarter-turn gear actuator, also 1/4 turn gearbox, which suitable for ball valves, butterfly valves, plug valves, and rotary valves,The housing is precisely casting, with fresh pattern and nice appearance,it transmitted by worm ,with self-locking function,tapered roller bearing and thrust ball bearing combination makes the transmission  more flexbile and efficient,Max-torque of actuators matches with connecting flange standard,stem diameter and install height are all international standard,The connecting flange adpats to ISO 5211,makes it easy working with valves, Protection garde can be IP66 IP67,IP68 and immersion mode according to customers requriements.