Dairymaster Centrifugal milk pump air purge non return valve seal The Dairymaster Centrifugal Milk Pump Air Purge Non Return Valve Seal is a genuine Dairymaster replacement part designed to provide a precise, leak-free seal within your pump’s air purge and non return valve assembly. This vital component ensures that air is efficiently purged from the pump system while maintaining a tight seal to prevent backflow of milk or wash water — keeping your pump operating smoothly and hygienically. Manufactured from high-grade, food-safe, and chemical-resistant rubber , this valve seal offers long-lasting durability under constant pressure, heat, and exposure to dairy detergents. Its precision fit maintains consistent suction and ensures reliable one-way flow performance, supporting efficient pump priming and improved system hygiene. When installed correctly, the air purge non return valve seal helps to: Maintain an airtight, leak-free seal for efficient air purging Prevent backflow and protect the pump from contamination Ensure consistent suction and reliable milk flow Improve system hygiene and prevent milk residue buildup Extend the service life of the non return valve assembly Key Featu