The GRACO D53277 is an air-operated double diaphragm metal pump designed for reliable fluid transfer in industrial applications. It features an aluminum fluid section, polypropylene center section, and is equipped with Acetal seats, Buna balls, and Buna diaphragms. This pump is intended for use in transferring a variety of fluids, including bulk antifreeze and windshield solvent, and is suitable for environments requiring robust, leak-resistant performance.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 716 AL, 3/4" NPT
• Aluminum fluid section, Polypropylene center section, Acetal seats, Buna balls, Buna diaphragms, PTFE manifold O-Rings
• 16 gpm (61 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of industrial fluids; suitable for bulk antifreeze and windshield solvent transfer
• No mechanical seals, reducing risk of fluid leaks or failures
• Runs quietly at less than 85 dBa with remote muffler capability
• Easy-to-service air valve and ball checks
• Center and end porting options
• Maximum pumpable solids: 0.09 in (2.5 mm)
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum ambient operating temperature: 180°F (82°C)

Applications:
Ideal for bulk antifreeze and windshield solvent transfer, as well as general industrial fluid transfer applications where robust, leak-resistant performance is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended fluid and pressure
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect and maintain air valve, ball checks, and diaphragms for optimal performance