Both the handle lever butterfly valve and the worm gear butterfly valve are valves that need to be operated manually, commonly known as manual butterfly valves, but they are still different in use....
A. Operating torque
The operating torque is the most important parameter for selecting the butterfly valve electric actuator. The output torque of the electric actuator should be 1.2~1.5 times the ...
Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...