The GRACO D32335 Husky 307 is a polypropylene air-operated double diaphragm pump with a polypropylene center section, stainless steel (S/S) seats, stainless steel balls, and TPE (thermoplastic elastomer) diaphragm. It is designed for reliable, low-maintenance transfer of a wide range of fluids, including oils, fuels, and chemicals, within GRACO equipment and compatible systems.

Key Features:

• Air-operated double diaphragm pump
• Husky 307, 3/8" NPT
• Polypropylene center section, S/S seats, S/S balls, TPE diaphragm
• Up to 7 gpm (26.5 lpm)
• Maximum discharge pressure: 100 psi (0.7 MPa, 7 bar)
• Compatible with a wide range of fluids including oils, fuels, and chemicals; suitable for use in various GRACO and compatible equipment
• Stall-free low pulsation air valve for smooth operation
• Easy-to-service air valve and ball checks
• Quick and easy assembly/disassembly
• Split manifold option for pumping multiple fluids without mixing
• Reliable, low-maintenance design

Applications:
Typical applications include oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, water and anti-freeze dispense, and chemical transfer. Some models are UL-approved for gasoline and gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with GRACO equipment.
• Ensure all connections are tight and leak-free
• Use appropriate thread sealant for NPT connections
• Follow manufacturer guidelines for air supply and fluid compatibility
• Regularly inspect and service air valve and ball checks for optimal performance
• Periodically check for wear on diaphragms, seats, and balls
• Clean pump components as needed to prevent clogging
• Replace worn or damaged parts with genuine GRACO components