8 features of soft sealing butterfly valve: 1, compact and lightweight, easy disassembly and maintenance, and can be installed in any location. 2, the structure is simple, compact, small operating torque, 90 degrees turn open quickly. 3, the flow characteristics of the trend line, adjust the performance. 4, butterfly plate and valve rod connection pinless structure, to overcome the possible internal leakage point. 5, seals can be replaced, and sealed to achieve two-way seal. 6, butterfly board can be sprayed coating according to user requirements, such as nylon or PTFE. 7, the valve can be designed to flange connection and the folder connection. 8, drive mode can choose manual, electric or pneumatic.