The T-KV W121 series wafer type butterfly valve is enhanced to accommodate a range of applications such as treatment for water and air, heating, ventilation, and air conditioning operations, sewage management, and textile manufacturing. Its body is integrated with GG 25 casting iron and epoxy finishing. The disc fitting is constructed with GGG50 die casting and AISI 304 material, while the sealing is infused with EPDM and NBR elements. The former sealing components allows -30 to 130 degrees Celsius temperature, and the latter with -30 to 90 degrees Celsius.