OilSafe® 1/2" Male QD Half – Blue (SKU: M8BLUE) The GRACO DF3A21 is an

The GRACO DF3A21 is an air-operated double diaphragm pump with an aluminum center section

Insert the plug firmly into the lid opening to ensure a secure seal

Maximum fluid pressure: 4050 PSI (as referenced for similar GRACO tips

but conical springs are commonly made from steel or stainless steel for durability and corrosion resistance

Used in GRACO spray equipment assemblies for secure attachment and alignment of components

OilSafe® 1/2" Male QD Half – Blue (SKU: M8BLUE) The GRACO DF3A21 is anThe OilSafe 1 2" Male QD Half Blue (M8BLUE) is a color coded, robust quick disconnect fitting for OilSafe lubrication transfer systems. Blue coding enables fast and consistent lubricant identification, supporting effective contamination control and color coded fluid management in industrial operations. Key Features: 1 2" male quick disconnect coupling, blue coded Industrial grade construction for durability Color coding supports strict lubricant