The GRACO 24H186 is a Husky 515 air-operated double diaphragm pump, commonly known as the White Knight model. It is constructed with a PTFE encapsulated fluoroelastomer manifold O-ring and is designed for reliable, leak-free fluid transfer in demanding industrial environments. This pump is engineered for heavy-duty performance and is suitable for a wide range of applications, including chemical transfer, paint, and process fluids.
Key Features:
Air-operated double diaphragm pump
515F, White Knight
Up to 15 gpm (56.7 lpm)
Maximum fluid pressure: 100 psi
Center and end porting options; split manifold option to pump multiple fluids without mixing
Stall-free low pulsation air valve for smooth and rapid changeover
Bolt-through fluid cover design eliminates leaks and enhances safety
No mechanical seals to cause fluid leaks or failures
Runs quietly at less than 85 dBa with remote muffler capability
Easy-to-service air valve and ball checks
Reliable air valve for years of dependable performance
Engineered for lasting, heavy-duty performance
Applications: Chemical transfer, paint, process fluids, and other industrial fluid handling applications where reliability and leak-free operation are critical.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
Ensure proper alignment and secure mounting of the pump
Use recommended fittings and hoses for the intended fluid and pressure
Follow manufacturer guidelines for air supply and fluid connections
Regularly inspect and maintain air valve and ball checks for optimal performance
Utilize remote muffler for reduced noise in sensitive environments
Perform preventative maintenance to ensure peak performance and longevity
Quickly replace worn or damaged parts with genuine GRACO components to minimize downtime
Keep air supply clean and dry to prevent valve and diaphragm wear
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