The GRACO D32277 Husky 307 is a polypropylene air-operated double diaphragm pump with a 3/8" NPT connection. It features a polypropylene center section, acetal seats, Buna-N balls, and Buna-N diaphragm. This pump is designed for reliable transfer of a wide range of fluids in industrial and maintenance applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 307, 3/8" NPT
• Polypropylene center section, acetal seats, Buna-N balls, Buna-N diaphragm
• Up to 7.0 gpm (26.5 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Quick and easy assembly and disassembly
• Easy to service air valve and ball checks
• Stall-free low pulsation air valve for smooth operation
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air pressure
• Tested prior to shipping for reliability
• Split manifold option available for pumping multiple fluids without mixing

Applications:
Industrial fluid transfer, maintenance, lubrication, and chemical handling in various industries including mining, agriculture, and manufacturing.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure all connections are secure and leak-free
• Use appropriate thread sealant for NPT connections
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain diaphragms and check valves for wear
• Perform routine maintenance as recommended by GRACO
• Replace worn or damaged parts with genuine components
• Keep pump and surrounding area clean to prevent contamination