1. Simple and compact structure, light weight, 90¡ãrotation, switching rapidly.
2. Reasonable design, easy disassembly, easy repair.
3. Eccentric structure, reducing the friction seals and extend valve life.
4. Completely sealed, leakage is zero.
5. Replace the butterfly board seals, O-ring, butterfly board, stem and other materials, can be used varieties of media and temperature.