Check valve maintenance and maintenance
1 The check valve should be stored in a dry and ventilated room to prevent moisture, rain and rust.
2 Check valve The opening and closing parts should be in the closing device during storage or transportation, and the following work should be done:
A Check valve The disc should be fixed in the open position
B Check valve The inner ports at both ends of the diameter are blocked with foam plates, and the ports must be plugged tightly with stuffed caps to prevent dust and rust, keep the channel clean and the end surface flat;
C Proper packaging protection, anti-vibration and anti-collision for the cylinder part;
D Check valve should be stable when placed and not be squeezed by each other.
3 Check valve should be checked regularly when placed for a long time. Every three months, check the dirt and rust on the two channels, the sealing surface, and the protection status of the welded joint. After wiping the dirt and rust, repaint the anti-rust oil to protect it.