The GRACO D52331 is an air-operated double diaphragm pump designed for reliable fluid transfer in industrial applications. It features a polypropylene (PP) center section, stainless steel (SS) seats and balls, and a PTFE diaphragm, making it suitable for handling a wide range of chemicals and fluids. This pump is intended for use in GRACO equipment for safe, leak-free, and efficient pumping operations.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 515, 1/2" NPT
• Polypropylene center section, stainless steel seats and balls, PTFE diaphragm
• Up to 15 gpm (56.7 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of chemicals and fluids; suitable for industrial, mining, and agricultural applications
• 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
• Split manifold option for pumping multiple fluids without mixing
• Fully-groundable acetal model available (not this specific part number)
• Reliable air valve for years of dependable performance

Applications:
Ideal for transferring chemicals, solvents, and other industrial fluids in environments such as mining, agriculture, manufacturing, and processing plants. Suitable for applications requiring leak-free, reliable, and easy-to-maintain pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment. Non-genuine parts may compromise reliability and safety.
• Ensure all connections are tight and leak-free before operation
• Use appropriate thread sealant for NPT connections
• Follow manufacturer guidelines for air supply pressure (operates on as little as 20 psi/1.4 bar)
• Regularly inspect and service air valve and ball checks for optimal performance
• Consult the equipment manual for specific installation and maintenance procedures