The GRACO D31215 is an air-operated double diaphragm pump designed for reliable fluid transfer. It features a polypropylene center section, acetal seats, PTFE balls, and a TPE diaphragm, making it suitable for handling a variety of fluids in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 307, 3/8" NPT
• Polypropylene center section, acetal seats, PTFE balls, TPE diaphragm
• Up to 7 gpm (26.5 lpm)
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
• Designed for use with a wide range of fluids including oils, fuels, water, and anti-freeze; some models UL-approved for gasoline, diesel, fuel oil, and lubricating oil
• Some models UL-approved for specific fuels (check specific part number for certification)
• Stall-free low pulsation air valve for smooth and rapid changeover
• Quick and easy assembly and disassembly
• Easy-to-service air valve and ball checks
• Split manifold option to pump multiple fluids without mixing
• Every pump is tested prior to shipping
• Fully-groundable acetal model

Applications:
Typical applications include oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, and water and anti-freeze dispense. Suitable for use in industrial, maintenance, and lubrication systems.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure all connections are secure and leak-free before operation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain air valve and ball checks for optimal performance
• Use appropriate personal protective equipment during installation and maintenance
• Perform preventative maintenance to ensure peak performance and longevity
• Use only recommended replacement parts and lubricants
• Consult the equipment manual for detailed installation and maintenance procedures