Maintenance and maintenance of pneumatic ball valve

Question: maintenance and maintenance of pneumatic ball valve
A: in recent years, pneumatic ball valves have gradually become a popular valve. Now the pneumatic ball valve equipment has been applied to all walks of life. Then, with the increase in the business of pneumatic ball valves. The new problem is in front of us again. For example: the maintenance and maintenance of pneumatic ball valve. The specific maintenance and maintenance work is as follows:
1, we must first find out that the upstream and downstream pipelines of the ball valves have been dismantled before they can be disassembled and decomposed.
2, when decomposing and reassembling, care must be taken to prevent the sealing surface of damaged parts, especially non-metallic parts. Special tools should be used when taking out the O ring.
3. The bolts on the flanges of the ball valves must be symmetrical, gradually and evenly tightened during assembly.
4, the cleaning product should be compatible with rubber parts, plastic parts, metal parts and working medium (such as gas) in the ball valve. When the working medium is gas, the metal parts can be cleaned by gasoline (GB484-89). Non metal parts are cleaned with pure water or alcohol.