Soft Seated Wafer Type Butterfly Valve has the feature that close tolerance is maintained between the liner, disc and stem reduces operation torque and ensures smooth operation. The Valve has small size and light weight and has the feature of easy installation and maintenance. The Valve has hand lever and is designed to prevent accidental pinching of hand between the handle and locking lever. The Valve has resilient seat design that eliminates the need for flange gaskets. The Valve can be mounted wherever needed and has simple and compact structure. The Soft Seated Wafer Type Butterfly Valve has bi - directional operation and has bubble tight sealing without leakage under pressure test.