Double Eccentric Butterfly Valve Body Material: Ductile Iron, Carbon Steel, Stainless Steel,etc. Disc Materials: Ductile Iron, Carbon Steel, Stainless Steel etc. Sealing Material: EPDM, NBR (Buna-N), FKM (Viton) Double Eccentric Disc Design Ensures Minimal Wear and Provides Excellent Throttling Capabilities. Replaceable Sealing Materials Ensures Optimum Seating Torque Perfectly Machined Seat Ring Ensures Continued Tight Shut […]