Eccentric Disc Design Butterfly Valves eliminates the seating wear due to the camming action of the disc during closing. The Valves has a mechanical stopper on the valve body that ensures precise valve closing every time to ensure specified seat tightness. The Valves has a spherical profile and comes out of contact with seat in the initial opening itself. The Eccentric Disc Design Butterfly Valves can be availed in soft seated and metal to metal seated with wafer, wafer lugged or double flanged body.