The 736H seat for M3011 B/F butterfly valve is a high-quality valve accessory designed by NIBCO. Made of ductile iron, it features a lever-operated, 10-position, lockable mechanism with a WOG rating of 200 psi. The valve operates with a lug butterfly valve type and includes a bronze disc, stainless steel stem, and EPDM seat material for reliable performance. With a 3-inch diameter, this seat is a crucial component for ensuring smooth and efficient valve operation in various industrial applications.