In short, we should not underestimate the installation and commissioning of the cylinder and valve body of the pneumatic switch butterfly valve. Maybe you haven't met the above situation, or the situation is more complicated, it doesn't matter. Come to some advice, and I will help you with detailed answers. Relevant information Grasp the key points of selection of several electric control valves Talk about those things about electric control valves

Sixth, in the process of disassembly or reassembly, it must be ensured that the parts on the sealing surface of the valve are not damaged, especially the non-metallic parts, for example, when taking out the O-ring, professionals can use special tools; Seventh, the bolt installation on the flange of the ball valve should follow the three principles of "symmetry, uniformity and step by step";