The 45BY-3-U BUNA CHECK BALL ALFA TC, manufactured by CUSTOM PRECISION PRODUCTS, is a high-quality check ball designed for Alfa Laval Tri-Clover valves. Made from Buna-N material, it offers excellent chemical and temperature resistance. Its durable construction ensures reliable performance and prevents backflow. This check ball is easy to install and provides a secure seal, making it suitable for various industrial applications.