1. Simple and compact structure, convenient operation, easy installation and maintenance.
2. Reasonable design, big flow zone, smoothbore, no heap of dirty, small flow resistance.
3. Elastic sealing, no leakage and long service life.
4. Inter and outer surface of the valve are painted with epoxy resin. And disc is coated by rubber, no contamination can effect upon flow medium.
5. Small operation torque, easy opening and closing.
6. Soft-sealing gate valve can be used for adjusting purpose.