An ASTM A216 WCB Rotary Valve is a valve designed for high-temperature service, crafted from carbon steel castings conforming to ASTM A216 WCB standards. This type of valve utilizes the rotation of a passage or passages within a transverse plug to regulate the flow of liquid or gas through connected pipes. The versatility of rotary valves, including their application in various industries, underscores their significance in fluid control systems.