The GRACO D53966 is an air-operated double diaphragm (AODD) metal pump constructed from aluminum, featuring a polypropylene (PP) seat, stainless steel (SP) ball, and stainless steel (SP) diaphragm. It is designed for reliable, leak-free transfer of a wide range of fluids in industrial and maintenance applications.

Key Features:

• Air-Operated Double Diaphragm (AODD) Pump
• Husky 716 AL
• Aluminum body, polypropylene (PP) seat, stainless steel (SP) ball and diaphragm
• Maximum free flow delivery: 16 gpm (61 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of fluids, including those with solids up to 0.09 in (2.5 mm)
• No mechanical seals to leak or fail
• Center- and end-porting options
• Runs quietly at less than 85 dBa
• Easy-to-service air valve and ball checks
• External controller for remote control capabilities
• Maximum pump speed: 400 cpm
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum ambient operating temperature: 180°F (82°C)

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and maintenance environments. Suitable for handling fluids with small solids and for applications requiring reliable, leak-free operation.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Use recommended air supply and filtration as per manufacturer guidelines
• Check all connections for leaks before operation
• Follow manufacturer’s instructions for diaphragm and valve maintenance
• Regularly inspect and service air valve and ball checks
• Use remote muffler for even lower noise levels if required
• Monitor pump performance and replace worn parts with genuine GRACO components