The GRACO D32917 Husky 307 is a 3/8" NPT standard air-operated double diaphragm pump with a polypropylene center section, polypropylene seats, PTFE balls, and a Buna-N diaphragm. It is designed for reliable transfer of fluids, including water and mild chemicals, in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 307, 3/8" NPT
• Polypropylene center section, polypropylene seats, PTFE balls, Buna-N diaphragm
• Up to 7 gpm (26.5 lpm) free flow delivery
• Maximum working pressure: 100 psi (7 bar, 0.7 MPa)
• Suitable for water, mild chemicals, and compatible with various GRACO equipment
• Stall-free low pulsation air valve for smooth operation
• Quick and easy assembly/disassembly
• Easy-to-service air valve and ball checks
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air pressure
• Split manifold option for pumping multiple fluids without mixing
• Every pump tested prior to shipping
• Maximum pumpable solids: 1/16 inch (1.5 mm)
• Maximum suction lift: 12 ft (3.7 m) dry

Applications:
Used for transferring water and mild chemicals from tanks (e.g., 50–275 gallon water tanks) to equipment such as MistBlasters, for mixing tanks, and in various industrial and maintenance settings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with GRACO equipment.
• Ensure all connections are secure and leak-free
• Use appropriate fittings for air and fluid lines
• Check for proper grounding if required
• Follow manufacturer’s instructions for air pressure and flow settings
• Regularly inspect and maintain air valve, ball checks, and diaphragms for optimal performance