The GRACO D32966 is an air-operated double diaphragm pump constructed primarily from polypropylene (PP) for the center section and seats, with Santoprene™ (SP) balls and diaphragm. It is designed for reliable, low-maintenance transfer of a variety of fluids, including oils, fuels, windshield wash solutions, water, and anti-freeze, and is suitable for use in demanding industrial environments.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 307 PP, 3/8 in. (9.52 mm) NPT
• Polypropylene (PP) center section and seats, Santoprene™ (SP) balls and diaphragm
• Up to 7 gpm (26.5 lpm)
• Maximum fluid working pressure: 100 psi (0.7 MPa, 7 bar); Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air input
• Compatible with a wide range of fluids including oils, fuels, windshield wash solutions, water, and anti-freeze; some models UL-approved for gasoline, gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil
• UL-approved for certain models (see specific model for details)
• Quick and easy assembly and disassembly
• Easy-to-service air valve and ball checks
• Stall-free low pulsation air valve for smooth operation
• Split manifold option for pumping multiple fluids without mixing
• Every pump is tested prior to shipping

Applications:
Oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, water and anti-freeze dispense, and other industrial fluid transfer applications

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
• Ensure all connections are tight and leak-free
• Follow manufacturer’s instructions for air supply and fluid compatibility
• Regularly inspect and service air valve and ball checks for optimal performance
• Use the split manifold option if pumping multiple fluids to prevent mixing
• Regularly inspect diaphragms and check valves for wear or damage
• Clean pump components as recommended by the manufacturer
• Replace worn or damaged parts with genuine GRACO components