butterfly valve with manual gear box, wafer type, length according to EN558−1R20, body ductile iron EN-GJS-400-15 epoxy coated, disc and shaft AISI 316, liner PTFE/silicone, nominal flange pressure PN10/16/ANSI150, medium temperature -10...+190°C, pressure range 0...10bar, DN 250mm, length 68mm
