The GRACO D31211 is an air-operated double diaphragm pump designed for reliable fluid transfer. It features a polypropylene center section, acetal seats, PTFE balls, and a PTFE diaphragm, making it suitable for handling a wide range of chemicals and fluids in industrial applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 307 AC, 3/8 in. (9.52 mm) NPT
• Polypropylene center section, acetal housing, PTFE balls and diaphragm
• Up to 7 gpm (26.5 lpm) for Husky 307 series
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
• Designed for use with a variety of fluids, especially chemicals and corrosive materials
• Quick and easy assembly/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
• Every pump tested prior to shipping

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

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure all connections are secure and leak-free
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and service air valve and ball checks for optimal performance
• Use appropriate personal protective equipment when handling chemicals
• 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