The GEFA FIG 83 GU-100 M is a genuine GEFA wafer type butterfly valve designed for reliable operation in industrial piping applications. Featuring a robust cast iron body (EN-GJL-250 / GG 25) and a choice of stainless steel disc (1.4408 / CF8M) or ductile iron, nickel plated disc (EN-GJS-400-15 / GGG 40), this valve is suitable for installation between flanges conforming to EN 1092-1, PN 6/10/16, and ASME Class 150 standards. It is equipped with a hand lever for manual operation (DN 50-200) and offers various liner materials including EPDM, NBR, FPM, and PTFE to accommodate diverse media and operating temperatures from -20°C to +130°C. Its face-to-face dimension adheres to EN 558-1 series 20 (DIN 3202 K1).