ASTM A351 CF8M Butterfly Control Valve uses CF8M, a cast austenitic stainless steel alloy with excellent corrosion resistance and enhanced by molybdenum for improved pitting resistance. Known for its compact design and efficient flow control, this valve features a rotating disc mechanism for precise modulation with minimal pressure drop. Available with pneumatic or electric actuation, it is versatile and suitable for various media, from clean liquids to abrasive substances.