Advantages of soft sealing butterfly valve: good sealing, simple structure, small operating torque, small installation space, light weight, easy maintenance.
Disadvantages of soft sealing butterfly valve: The disadvantage is that it is easy to age, wear, and has a short service life
Advantages of hard seal butterfly valve Both sides of the sealing pair are made of metal material or other hard materials, which are called "hard seal", but high temperature resistance, wear resistance, and good mechanical properties
Disadvantages of hard sealing butterfly valve: poor sealing performance.
