The GRACO 647023 Husky 1050 is an air-operated double diaphragm pump featuring an aluminum center section, stainless steel seats, and Santoprene balls and diaphragms. It is designed for reliable, low-maintenance transfer of a wide range of fluids in industrial applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050, 1" NPT
• Aluminum center section, stainless steel seats, Santoprene balls and diaphragms, PTFE manifold O-rings
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (0.86 MPa, 8.6 bar)
• Compatible with a wide range of industrial fluids; not for export (domestic use only)
• ATEX certification available (varies by configuration); UL listed for fuels in some configurations
• Stall-free low pulsation air valve for smooth, rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Maximum cycle rate: 280 cpm
• Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet
• Maximum size pumpable solids: 1/8 in (3.2 mm)

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

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may void warranty and reduce pump lifespan.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check and maintain air supply pressure within recommended range (20–125 psi)
• Inspect diaphragms, balls, and seats regularly for wear and replace as needed
• Follow GRACO’s recommended maintenance schedule for best results