一. use:
1. Pipeline regulating valves are suitable for high and low vacuum pipelines, and play a damping role in regulating the flow of gases, liquids, and other media in the pipeline.
二、性能特点：
1. Compact and reasonable structure, small volume, and light weight.
2. Easy to maintain, the valve stem adopts a mortise and tenon structure, making it convenient for users to replace the sealing ring.
3. This valve has added a secondary sealing structure, making the sealing performance more secure and reliable.
4. This valve is designed with a locking device to effectively control the flow rate.
5. The connection between the valve disc and the valve stem adopts a new structure to prevent the valve disc from loosening and falling off due to vibration.
三. Performance range
四. Main appearance and dimensions
