The double nipple K 72321 is a precision connection component used in conjunction with filter K 72301 in the Sulzer ZV40/48 engine’s lubrication system. Designed to provide a secure and leak-free connection between pipeline sections or filter elements, it enables efficient fluid transfer while maintaining system pressure integrity. Manufactured from durable, corrosion-resistant material, it is capable of withstanding operational stresses, vibration, and exposure to lubricating oil. By ensuring reliable connections and uninterrupted flow within the lubrication circuit, the K 72321 double nipple supports the overall efficiency and dependability of the engine’s lubrication system.