Pipeline flange connection is a common connection method in industrial production processes, but there are also some common quality problems that need to be solved and prevented reasonably during u...
Butt welding flange is a method of connecting pipes, which can connect two pipes together by welding to form a whole. The welding flange connection method is stable and reliable, with high sealing ...
Threaded flange is a commonly used pipeline connector that has good sealing performance and load-bearing capacity. According to its structural form and sealing surface form, it can be divided into ...
According to different classification methods, the actuator of control valve has different classification.
Pneumatic valve and electric valve are both widely used in the market at present.
According to the different service conditions of the ball valve
The ball valve uses stud bolts to connect the gate valve to the two pipe flanges, and bolts to connect the flanges on both sides of the gate valve to the pipe flange.
The hydraulic control check butterfly valve can close the valve in two stages of quick closing and slow closing according to the pre-adjusted procedure.
If the pre-tightening force of the valve is insufficient and the sealant cannot seal, the bolts of the pressure packing can be tightened to increase the pre-tightening force for sealing.
The most basic function of the valve is to control whether the controlled fluid is allowed to pass through.
