The GRACO D3A275 is an air-operated double diaphragm pump featuring an acetal body, polypropylene center section, acetal seats, Buna-N balls, and a TPE diaphragm. It is designed for reliable transfer of a wide range of fluids in industrial and maintenance applications, including lubrication and maintenance solutions.

Key Features:

• Air-operated double diaphragm pump
• Husky 307 (3/8" BSP)
• Acetal body, polypropylene center section, acetal seats, Buna-N balls, TPE diaphragm
• Up to 7.0 gpm (26.5 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of fluids; suitable for industrial and maintenance applications
• Quick and easy assembly/disassembly
• Easy to service air valve and ball checks
• Stall-free low pulsation air valve for smooth operation
• Split manifold option available for pumping multiple fluids without mixing
• Fully groundable acetal model
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air pressure
• Tested prior to shipping

Applications:
Transfer of fluids in industrial, lubrication, and maintenance environments; suitable for use in mining, agriculture, and other sectors requiring reliable fluid handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure all connections are secure and compatible with 3/8" BSP porting
• Follow manufacturer guidelines for air supply and fluid compatibility
• Regularly inspect and service air valve and ball checks for best performance
• Refer to the manual for specific installation and maintenance procedures