The GRACO DF3655 Husky 2150 is a 2-inch NPT standard air-operated double diaphragm pump with an aluminum center section, Santoprene seats, TPE balls, and TPE diaphragm. It is designed for reliable fluid transfer in demanding industrial environments, offering robust construction and compatibility with a wide range of fluids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 2150, 2-inch (51 mm) NPT
• Aluminum center section, Santoprene seats, TPE balls, TPE diaphragm
• Maximum flow rate: 150 gpm (568 lpm)
• Maximum discharge pressure: 120 psi (8.4 bar, 0.84 MPa)
• ATEX, CE (for similar models; not explicitly specified for DF3655)
• Stall-free, low pulsation air valve for smooth operation
• Lube-free operation
• Epoxy-coated air section for tough environments
• Easy-to-service air valve and ball checks
• Reliable, robust construction for heavy-duty use

Applications:
Ideal for fluid transfer in industrial, mining, agricultural, and chemical processing applications. Suitable for handling abrasive, viscous, or corrosive fluids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check air supply for correct pressure and cleanliness
• Follow manufacturer’s guidelines for diaphragm and ball replacement
• Regularly inspect and maintain air valve and ball checks for optimal performance