The GRACO 647004 is an air-operated double diaphragm pump designed for industrial fluid transfer. It features an aluminum center section, polypropylene (PP) seats, PTFE balls, and PTFE diaphragms, making it suitable for handling a wide range of chemicals and fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050 AL, 1 in. (25.4 mm) NPT
• Aluminum center section, PP seats, PTFE balls, PTFE diaphragms
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, water, wastewater transfer
• ATEX Certified
• Stall-free, low pulsation air valve for smooth and rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Reliable and robust for industrial environments
• Easy to maintain and repair

Applications:
Industrial fluid transfer, including chemicals, oils, detergents, antifreeze, hydraulic fluids, cutting oils, and water/wastewater transfer

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure proper alignment of inlet and outlet connections (1 in. NPT female threads)
• Check for correct air supply and pressure (refer to manual for specifications)
• Inspect all seals and diaphragms before installation
• Follow GRACO’s recommended maintenance schedule for best results
• Use only compatible fluids as specified