Neldisc butterfly valves, series L9B/L90B, weld end

The L9B/L90B-series valve is a high performance butterfly valve. The body is fabricated of boiler vessel quality carbon steel, and can easily be welded into the piping without preheating. As a result of the unique geometry, contact between the disc and seat is mechanically induced, and does not rely on assistance from differential pressure. cannot jam the valve. The L9B/L90B-series seating principle is based on the same ingenious design applied in over 300000 other Neldisc^® valves already delivered.

Series