The GRACO D3A266 is an air-operated double diaphragm pump designed for reliable fluid transfer. It features a polypropylene center section, acetal seats, santoprene balls, and a santoprene diaphragm. This pump is intended for use in applications such as oil, fuel, windshield wash, water, and anti-freeze transfer, and is suitable for use with gasoline, diesel, fuel oil, and lubricating oil in certain models.

Key Features:

• Air-operated double diaphragm pump
• Husky 307AC (3/8" BSP)
• Polypropylene center section, acetal seats, santoprene balls, santoprene diaphragm
• Up to 7 gpm (26.5 lpm)
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa); fluid pressure up to 100 psi (noted in some sources)
• Oil, fuel, windshield wash, water, anti-freeze; some models UL-approved for gasoline, diesel, fuel oil, lubricating oil
• UL-approved for certain models (gasoline, diesel, fuel oil, lubricating oil)
• 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 for pumping multiple fluids without mixing
• Every pump tested prior to shipping
• Fully-groundable acetal model

Applications:
Oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, water and anti-freeze dispense, suitable for gasoline, diesel, fuel oil, and lubricating oil in certain models

Installation Notes:

• Ensures compatibility, reliability, and safety with GRACO equipment
• Ensure correct porting (3/8" BSP)
• Verify air supply is at least 20 psi
• Check for leaks after installation
• Follow manufacturer’s guidelines for fluid compatibility and maintenance
• Use split manifold option if pumping multiple fluids