The swing check valve is one of the most popular check valve types in industrial piping. Its disc swings on a hinge or pin, opening when flow pushes it forward and closing when flow reverses or stops. Key features Low flow resistance – disc nearly parallel to flow when fully open. Suitable for large...
A failing check valve can cause backflow, pump damage, or system contamination. Knowing how to troubleshoot common issues helps you decide whether to repair or buy a new check valve. Here are five frequent failures and solutions. Problem 1 – Check valve leaks (does not seal) Symptoms: Fluid flows ba...
Water supply systems – from municipal pump stations to high-rise building booster sets – rely heavily on check valves. Choosing the right check valve for water prevents backflow, reduces water hammer, and ensures reliable operation. 1. Water treatment plant pump discharge Conditions: Large pipes (DN...
A check valve (also called a non-return valve or one-way valve) is an automatic valve that allows fluid to flow in only one direction. It requires no manual operation, electric actuator, or pneumatic control. When the flow reverses, the valve closes instantly to prevent backflow, protecting pumps, c...
Lift check valve refers to the valve that relies on the flow of the medium itself to automatically open and close the disc to prevent the medium from flowing backward. Check valve is a kind of automatic valve, its main function is to prevent the reverse flow of the medium, prevent the reversal of th...
Slow closing check valve, also known as check valve, is used to prevent the medium from flowing back in the pipeline. The opening and closing parts are opened or closed by the force of the medium flow. Check valves belong to the category of automatic valves, and are mainly used on pipelines with one...
Tel : 86-0592-5185-378
Email : sales@dawalvalve.com
