The GRACO DC4811 is a stainless steel air-operated double diaphragm pump with an aluminum center section, designed for reliable, high-flow fluid transfer in demanding industrial environments. It features flouroelastomer seats, PTFE balls, and a PTFE diaphragm for chemical resistance and durability. This pump is intended for use in applications requiring robust, lube-free operation and resistance to harsh chemicals.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590 S/S (1-1/2" NPT)
• Stainless steel body, aluminum center section, flouroelastomer seats, PTFE balls, PTFE diaphragm
• Up to 100 gpm (378 lpm)
• Up to 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, especially aggressive chemicals
• Available in ATEX configuration (for hazardous environments)
• Patented, high-reliability closed center air valve
• Online serviceable air valve for quick maintenance
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Up to 5 times longer diaphragm life compared to similar pumps
• Fewer parts than industry peers, externally accessible air valve

Applications:
Ideal for transferring aggressive chemicals, slurries, and other industrial fluids in mining, chemical processing, water treatment, and general industrial applications. Suitable for environments requiring robust, reliable, and easy-to-maintain pumps.

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 and secure mounting to prevent vibration and leaks
• Use appropriate piping and fittings rated for the intended pressure and chemical compatibility
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain the air valve and diaphragm for optimal performance