The GRACO 647018 is an air-operated double diaphragm pump featuring an aluminum center section, stainless steel (SS) seats and balls, and PTFE diaphragms. It is designed for reliable transfer of fluids such as water, antifreeze, and fuel in industrial applications, offering robust performance and compatibility with a range of liquids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050, 1 in. (25.4 mm) NPT
• Aluminum center section, 316 SST seats, 316 SST balls, PTFE diaphragms, PTFE manifold O-rings
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Suitable for water, antifreeze, fuel, and other compatible industrial fluids
• ATEX Certified
• Stall-free low pulsation air valve for smooth and rapid changeover
• Robust construction for durability and reliability
• Easy maintenance and serviceability
• Handles solids up to 1/8 in. (3.2 mm) in size
• Maximum pump speed: 280 cpm
• Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet

Applications:
Industrial fluid transfer, including water, antifreeze, fuel, and other compatible liquids. Suitable for use in mining, agriculture, manufacturing, and other sectors requiring reliable and robust fluid handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump. Non-genuine parts may compromise reliability and void warranties.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Verify air supply is clean and within recommended pressure range
• Check for leaks after installation
• Follow manufacturer guidelines for diaphragm and seat replacement intervals
• Regularly inspect diaphragms, seats, and balls for wear
• Lubricate moving parts as recommended
• Replace worn components with genuine GRACO parts
• Keep air supply clean and dry to prevent contamination