The GRACO 649384 is a 1-inch air-operated double diaphragm pump with a center flange, polypropylene (PP) center section, PVDF (Kynar) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, leak-resistant transfer of fluids in demanding industrial environments, compatible with a wide range of chemicals and suitable for applications requiring corrosion resistance and durability.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050, 1-inch
• Center flange, PP center section, PVDF (Kynar) seats, PTFE balls, PTFE diaphragm, polypropylene standard air valve with Buna-N seals
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Compatible with a wide range of chemicals due to PVDF and PTFE materials
• Stall-free low pulsation air valve for smooth and rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Durable construction for long service life
• Suitable for handling solids up to 1/8 inch (3.2 mm)

Applications:
Ideal for transferring water, antifreeze, fuel, and a variety of chemicals in industrial, mining, and agricultural settings. Suitable for applications requiring corrosion resistance and the ability to handle small solids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of flanges and secure all connections to prevent leaks
• Check that the pump is rated for the specific fluid and pressure requirements of the application
• Regularly inspect diaphragms, balls, and seals for wear and replace as needed
• Follow GRACO’s recommended maintenance schedule for best results