The GRACO D43211 is a remote-operated, air-operated double diaphragm pump with a polypropylene (PP) center section, aluminum (AL) body, AC (Acetal) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable transfer of a wide range of fluids in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 716 AL (3/4 in. NPT)
• Aluminum body, polypropylene center section, acetal seats, PTFE balls, PTFE diaphragm
• Maximum free flow delivery: 16 gpm (61 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Suitable for antifreeze, detergents, motor oil, grease & oil, hydraulic fluid, cutting oil, water, and wastewater treatment
• No mechanical seals, reducing risk of fluid leaks or failures
• Runs quietly at less than 85 dBa with remote muffler option
• Easy-to-use remote operation
• Handles solids up to 0.09 in (2.5 mm)
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum ambient operating temperature: 180°F (82°C)
• Maximum pump speed: 400 cycles per minute
• Displacement per cycle: 0.04 gallon (0.15 liter)

Applications:
Ideal for transferring antifreeze, detergents, motor oil, grease & oil, hydraulic fluid, cutting oil, water, and wastewater in industrial, mining, agricultural, and maintenance environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Connect air supply within the recommended pressure range (30–100 psi, 2.1–7 bar)
• Use appropriate fittings for inlet and outlet (3/4 in. NPT)
• Install air regulator and filter with gauge for optimal air control
• Follow manufacturer guidelines for diaphragm and ball replacement intervals
• Regularly inspect diaphragms, balls, and seats for wear
• Replace worn components with genuine GRACO parts
• Keep air supply clean and dry to prevent contamination
• Monitor pump operation for unusual noise or performance changes