The GRACO 651506 is a horizontal outlet air-operated double diaphragm pump with an aluminum center section, stainless steel seats and balls, and a PTFE diaphragm. It is designed for industrial fluid transfer applications, including water, antifreeze, and fuel, offering robust construction and reliable performance in demanding environments.

Key Features:

• Pneumatic (air-operated) double diaphragm pump
• Husky 1050, 1 inch (nominal size)
• Aluminum center section, stainless steel seats and balls, PTFE diaphragm
• 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 compatible with industrial fluids
• UL listed (for some models; confirm for this specific configuration)
• Stall-free low pulsation air valve for smooth and rapid changeover
• One-piece center section reduces leaks and maintenance
• Horizontal outlet for flexible installation
• Robust construction for industrial use
• Reliable performance in harsh environments

Applications:
Industrial fluid transfer, including water, antifreeze, and fuel; suitable for mining, agriculture, and other heavy-duty applications

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump system.
• Ensure proper alignment of the pump and piping
• Use appropriate fittings and seals for the intended fluid
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain diaphragms and seals to prevent leaks and downtime
• Periodically check for leaks and wear
• Replace diaphragms and seals as recommended
• Keep air supply clean and dry
• Follow GRACO’s maintenance schedule for optimal performance