The GRACO Husky 307 PP is an air-operated double diaphragm pump designed for transferring a wide range of fluids. It features a polypropylene (PP) center section and seats, with BN (likely Buna-N/Nitrile) balls and diaphragm, making it suitable for handling various chemicals and liquids in industrial applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 307, 3/8 in. (9.52 mm) NPT
• Polypropylene center section and seats, BN (Buna-N/Nitrile) balls and diaphragm (Note: For D32977, BN is specified; for similar models, Santoprene™ is sometimes used for balls and diaphragm)
• Up to 7 gpm (26.5 lpm)
• Maximum discharge pressure: 100 psi (0.7 MPa, 7 bar)
• Designed for use with a wide range of fluids, especially those compatible with polypropylene and Buna-N/Nitrile materials
• Quick and easy assembly and disassembly
• Easy-to-service air valve and ball checks
• Stall-free, low pulsation air valve for smooth operation
• Split manifold option available for pumping multiple fluids without mixing
• Fully-groundable acetal model available (for other variants)
• Every pump is tested prior to shipping

Applications:
Ideal for transferring chemicals, solvents, and other industrial fluids in manufacturing, mining, agriculture, and maintenance operations. Suitable for applications requiring chemical resistance and reliable, low-maintenance pumping.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure all connections are tight and leak-free
• Use compatible piping and fittings for the intended fluid
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and service air valve and ball checks for optimal performance
• Periodically check for wear on diaphragms and balls
• Clean and inspect pump components during routine maintenance
• Replace worn or damaged parts with genuine GRACO components