The CS1-4000 E291 is a 4 inch NPS sanitary tri-clamp seal made from EPDM, perfect for food and beverage applications. Manufactured by Freudenberg-NOK, this seal is designed to provide a secure and leak-proof connection in tri-clamp systems. It meets industry standards for safety and hygiene, ensuring compliance in processing environments. The EPDM construction offers excellent resistance to temperature variations and chemicals, making it ideal for various applications. This seal is essential for maintaining hygiene and efficiency in sanitary applications.