1. Check valves are generally suitable for clean media, not for media containing solid particles and high viscosity.2. For low pressure check valves below DN50mm, butterfly check valves, vertical lift check valves and diaphragm check valves should be used; for medium and low pressure check valves wi
Check valve refers to the valve that automatically opens and closes the disc depending on the flow of the medium itself to prevent the medium from flowing back, also known as check valve, one-way valve, reverse flow valve, and back pressure valve.
