The GRACO DV4911 is a stainless steel (SS) center section air-operated double diaphragm pump with polypropylene (PP) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, efficient transfer of fluids in industrial applications, offering robust construction and compatibility with a wide range of chemicals.

Key Features:

• Air-operated double diaphragm pump
• Husky 2150, 2 in. (51 mm) NPT
• Stainless steel center section, PP seats, PTFE balls, PTFE diaphragm
• Maximum free flow delivery: 150 gpm (568 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Suitable for a wide range of industrial fluids and chemicals
• Stall-free low pulsation air valve for smooth and rapid changeover
• High efficiency (up to 40% more efficient than previous models)
• Long diaphragm life (up to 5 times longer than competitors)
• Robust construction for demanding environments
• Ease of maintenance and serviceability

Applications:
Ideal for transferring fluids in industrial, chemical, mining, and agricultural settings. Suitable for handling abrasive, viscous, or corrosive liquids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use recommended fittings and hoses for inlet and outlet connections
• Check air supply for correct pressure and cleanliness
• Follow manufacturer guidelines for diaphragm and ball replacement
• Regularly inspect and maintain seals and gaskets to prevent leaks