The GRACO D31335 is an air-operated double diaphragm pump designed for reliable fluid transfer. It features an acetal fluid section, polypropylene center section, stainless steel seats and balls, and a TPE (thermoplastic elastomer) diaphragm. This pump is intended for use in applications requiring robust, chemical-resistant, and easy-to-service fluid handling within GRACO equipment.

Key Features:

• Air-operated double diaphragm pump
• Husky 307, 3/8" NPT
• Acetal fluid section, polypropylene center section, stainless steel seats and balls, TPE diaphragm
• Up to 7 gpm (26.5 lpm)
• Suitable for a wide range of fluids, including oils, fuels, water, anti-freeze, and windshield wash solutions
• Some models UL-approved for gasoline, gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil (check specific model 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 for pumping multiple fluids without mixing
• Fully-groundable acetal model
• Every pump 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 handling tasks

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure all connections are tight and leak-free
• Use appropriate thread sealant for NPT connections
• Follow GRACO’s recommended installation procedures for air and fluid lines
• Regularly inspect and maintain air valve and ball checks for optimal performance