Speciality Valve is acclaimed for being the premier Lug Butterfly valve manufacturers in India. Description: 1. Material: Ductile Iron, Cast Iron, Duplex Steel. 2. Other Materials: CF8M, CF8, SS316, CF3M, WCB, SS304, F51, F53, 4A, 5A, 316L. 3. Class: 150 to 300 4. Nominal Pressure: PN 6 – PN 25 5. Ends: Lug 6. Size: 2’’ to 72’’ 7. Operation: Lever operated, Electric actuated, Pneumatic actuated, Gear operated.