Application: Inflammable, Explosive, Poisonous, Precious Media Features/ Benefits: OS & Y Construction, Zero Leakage Valve, Double Seal design Ansi Class/ Rating: 150#, 300#, 800# Design Standard: API 602 Testing Standard: API 589 Size: 15 to 50 MM Materials: A105, F304, F316, F51, F53, F55, F347, F321, INCONEL 625, MONEL 400, HASTELLOY C-276, ALLOY 20 Ends: Screwed End, Socket Weld End, Butt Weld End Operation: Manual