The torquecontrolvalve of hydraulic tong is developed to protect the scrws of tube and suck rod from being damaged or deformed caused by over tightness.
液压油管钳扭矩控制阀用于油管和抽油杆上螺纹时控制其扭矩值 ，以免扭矩过大而损坏螺纹或造成本体变形。
2
Baumann 25000 butterfly controlvalve is a low torque and low noise butterfly valve.
鲍曼25000蝶阀控制阀是一种低扭矩，低噪音蝶阀。
3
The controlvalve has the characteristic of large torque, work reliability and short respond period of time.