The GRACO DF4811 Husky 2150 is a stainless steel air-operated double diaphragm pump with a 2-inch NPT port size, featuring an aluminum center section, flouroelastomer (FKM) seats, PTFE balls, and PTFE diaphragm. It is designed for robust, reliable fluid transfer in demanding industrial environments, suitable for a wide range of liquids including those requiring chemical resistance and durability.

Key Features:

• Air-operated double diaphragm pump
• Husky 2150, 2" NPT
• Stainless steel fluid section, aluminum center section, FKM (flouroelastomer) seats, PTFE balls, PTFE diaphragm
• Up to 150 gpm (568 lpm)
• Up to 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, especially those requiring chemical resistance and durability
• ATEX (for certain configurations; check specific model for certification)
• Stall-free low pulsation air valve for smooth and 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 quick and easy servicing without pump removal
• Lube-free operation
• Epoxy-coated air section for durability in tough environmental conditions

Applications:
Ideal for transferring a wide range of liquids in industries such as chemical processing, mining, agriculture, and general industrial fluid handling. Suitable for applications requiring chemical resistance, reliability, and ease of maintenance.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate piping and fittings for the intended fluid and pressure
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect and maintain the pump, especially the diaphragm and seals, for optimal performance
• Perform routine checks on the air valve and diaphragm
• Keep the pump clean and free from debris
• Use only recommended replacement parts for maintenance