butterfly valve with manual gear box, lug type, length according to EN558−1R20, body ductile iron EN-GJS-400-15 epoxy coated, disc ductile iron EN-GJS-400-15 zinc plated, shaft AISI 430, liner EPDM, nominal flange pressure PN10, medium temperature -10...+130°C, pressure range 0...10bar, DN 450mm, length 114mm
