NIBCO NLG100H LD-2000-3 4" Lug Style EPDM 200PSI Ductile Iron Butterfly Valve 4" lug-style ductile iron butterfly valve with lever-lock handle rated for 225°F continuous and 250°F intermittent service. This valve features an EPDM molded-in seat liner, aluminum bronze disc, and stainless steel stem with copper bushings. Not recommended for steam service - we have 1 of these brand new 4" butterfly valves available with Free Shipping.