NIBCO 2 1/2" Butterfly Valve LD-3022-3 Lever Lock Handle 250 PSI 2.5"A new NIBCO high pressure resilient seated butterfly valve 2 1 2" butterfly valve. This is model LD 3022 3. You can read all about them at http: NIBCO. com. This is a NEW valve, first quality. The NIBCO lug type butterfly valve provides bi directional dead end service without a downstream flange, and bubble tight shutoff at 250 psi. The valve performs well in isolation and throttling applications, commercial, some light industrial process, and