ASTM A890 4A Butterfly Control Valve

The ASTM A890 4A Butterfly Control Valve is made from CD3Mn (Grade 4A), a cast duplex stainless steel equivalent to wrought super duplex stainless steel UNS S32205. Also designated as ASTM A995 and ASME SA351/995, this material, known as J92205 or X2CrNiMoN22, offers high strength and excellent corrosion resistance. This butterfly valve design ensures precise flow control and robust performance in demanding industrial environments, making it suitable for applications requiring durability and reliability. As a leading control valve manufacturer in China, we provide top-quality products that meet the highest industry standards.