News | - Part 4

Difference Between Swing Check Valve and Lift Check Valve

by admin on 22-04-29

Check valves are automatic valves that open with forward flow and close with reverse flow. The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. Exact operation will vary depending on the type of Check valve ...

How to Install the Gate Valve

by admin on 22-04-07

1. When installing the gate valve, it is necessary to clean the inner cavity and the sealing surface, check whether the connecting bolts are evenly tightened, and check whether the packing is pressed tightly. 2. The gate valve is closed during installation. 3. Large-sized gate valves and pneumati...

How to do API Gate valve maintenance procedures

by admin on 19-06-03

1. Valve disintegration 1.1 Remove the fixing bolts of the upper frame of the bonnet, unscrew the nuts of the four bolts on the lifting bonnet, turn the valve stem nut counterclockwise to make the valve frame separate from the valve body, and then use a lifting tool to hoist the frame down and pu...