The GRACO DF431B Husky 2150 is a 2-inch NPT air-operated double diaphragm pump featuring a stainless steel fluid section, aluminum center section, stainless steel seats, PTFE balls, and PTFE/Santoprene diaphragm. It is designed for robust, reliable fluid transfer in demanding industrial environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 2150, 2" NPT
• Stainless steel fluid section, aluminum center section, stainless steel seats, PTFE balls, PTFE/Santoprene diaphragm
• Up to 150 gpm (568 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of fluids, provided they are chemically compatible with wetted parts (see technical specifications for details)
• ATEX rated (dependent on model and configuration)
• Stall-free low pulsation air valve for smooth, rapid changeover
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
• Fewer parts than industry peers; externally accessible air valve for fast, easy servicing without pump removal
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions
• Expanded material offering for diverse applications

Applications:
Ideal for fluid transfer in industrial, mining, agricultural, and manufacturing settings where reliability, chemical resistance, and ease of maintenance are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Always follow the manufacturer’s pressure relief procedure before moving or lifting the pump
• Ensure all fluids and solvents are chemically compatible with wetted parts
• Never move or lift the pump under pressure
• Have two people lift the pump if necessary due to its weight
• Consult the manual for detailed installation and maintenance instructions