1. The valve should be stored in a dry room, and both ends of the passage must be blocked. No stacking
2. Regulating valves that have been stored for a long time should be checked regularly to remove dirt. Anti-rust oil should be applied to all moving parts and processing surfaces to prevent rust.
3. This valve should be installed on a horizontal pipeline, and must be installed vertically. The stem is upward.
4. Compulsory, install according to the direction of medium flow indicated by the arrow in the figure
