The GRACO 651800 is a Husky 1050S-E series air-operated double diaphragm pump constructed with stainless steel seats, PTFE balls, and PTFE diaphragms. It is designed for industrial fluid transfer applications, offering robust performance and chemical resistance.

Key Features:

• Air-operated double diaphragm pump
• 1050S-E, 1" (25.4 mm) NPT
• Stainless steel 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)
• Industrial fluid transfer, compatible with a wide range of chemicals and fluids
• Stall-free low pulsation air valve for smooth and rapid changeover
• Robust construction for reliability and long service life
• Easy maintenance and repair
• Handles solids up to 1/8 inch (3.2 mm) in size
• Suitable for continuous duty cycles

Applications:
Industrial fluid transfer, chemical processing, mining, agriculture, and other demanding environments requiring reliable and chemical-resistant pumping solutions.

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 appropriate fittings and hoses rated for the intended pressure and chemical compatibility
• Follow GRACO’s recommended maintenance schedule for diaphragm and ball inspection/replacement
• Check air supply for correct pressure and cleanliness
• Refer to the Husky 1050 series manual for detailed installation and troubleshooting guidance