The GRACO 25A149 is a cast iron air-operated double diaphragm (AODD) pump featuring an aluminum center section, stainless steel seats, PTFE balls, and a polyolefin diaphragm. It is designed for robust, reliable fluid transfer in industrial applications, offering smooth operation and resistance to wear and corrosion.

Key Features:

• Air-operated double diaphragm pump (AODD)
• Husky 2150, 2" NPT
• Cast iron body, aluminum center section, stainless steel seats, PTFE balls, polyolefin diaphragm
• Maximum fluid pressure: 120 psi (0.8 MPa)
• Designed for use with a wide range of industrial fluids; not for export
• Stall-free, low pulsation air valve for smooth and rapid changeover
• Robust construction for durability and long service life
• Easy maintenance and repair
• Suitable for demanding industrial environments

Applications:
Ideal for transferring a variety of industrial fluids in sectors such as mining, agriculture, chemical processing, and general manufacturing. Suitable for applications requiring reliable, low-maintenance fluid handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment of all components during assembly
• Lubricate u-cup packings and actuator pistons before installation
• Use recommended torque settings for fasteners (e.g., 50–60 in-lb for center housing screws)
• Follow manufacturer guidelines for air supply and exhaust port connections
• Regularly inspect diaphragms, balls, and seals for wear
• Replace worn components with genuine GRACO parts
• Keep air supply clean and dry to prevent contamination
• Periodically check for leaks and tighten connections as needed