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When using pneumatic valves over the long term, proper maintenance is effective in extending the time until the next service is required. Being aware of issues that are easily overlooked is key to maintaining good order in a factory – through proper and timely repairs. A check valve in which the valve disc rotates around a pin inside the valve seat. The disc check valve has a simple structure, can only be installed in horizontal pipes, and offers good sealing performance. Lift-type check valves can be mainly divided into swing check valves (rotating around their center of gravity) and lift-type check valves (moving along their axis). High-temperature check valves are a type of automatic valve whose primary function is to prevent the backflow of fluid, stop the pump and its driving motor from rotating in reverse, and prevent the leakage of fluid from containers. 1. When introducing Chinese oils into pneumatic valve manufacturers, the issue of pressure on employees often cannot be ignored. If the pressure level is too low during injection, it can lead to failures in the system’s sealing technology or management; on the other hand, if the pressure requirement is too high, the grease injection port is prone to clogging. Gear-type dual pistons, offering high output torque and a compact size. The cylinder is made of aluminum alloy, offering light weight and an attractive design. Training institutions can be equipped with manual mode operation at the top and bottom. The rack-type connection allows us to adjust the opening angle of the society and the rated flow rate. The actuator can be equipped with telecommunication signal feedback indicators and various accessories to enable the operation of automated production equipment. The adjustment screws at both ends allow the **standard to be adjusted, providing a range of ±4° at 0° and 90°. Ensure the synchronization accuracy with the valve. 2. When injecting grease, the quality of the grease is often overlooked, yet it is very important. Some greases not only fail to provide protection for pneumatic valves but may also have adverse effects; therefore, when choosing such greases, it is best to opt for those of higher quality. If little development injection is provided, the sealing surface wears out more rapidly due to a lack of lubricant. Injecting too much grease into pneumatic valves can cause blockages, disrupting the normal operation of the company. It also leads to waste of grease. When injecting grease into pneumatic valves, it is necessary to follow the guidelines provided for different valve sizes; the appropriate amount of grease can be determined by considering the main dimensions and capacity of the valve, and then injected in a reasonable quantity. Therefore, when maintaining pneumatic ball valves, attention should be paid to these details in order to ensure their performance and lifespan, thus serving people better.