Description
The GRACO Husky 1050 (651517) is an air-operated double diaphragm pump featuring a stainless steel (SS) outlet, aluminum (AL) center section, stainless steel seats, ceramic weighted (CW) balls, and a CO (likely Santoprene or similar elastomer) diaphragm. It is designed for reliable, low-pulsation transfer of fluids such as water, antifreeze, and fuel in industrial and vehicle service applications.
Key Features:
- Pneumatic (air-operated) double diaphragm pump
- Husky 1050, 1 inch (25.4 mm) NPT
- Stainless steel (SS) outlet, aluminum (AL) center section, stainless steel (SS) seats, ceramic weighted (CW) balls, CO diaphragm
- Maximum free-flow delivery: 189 L/min (50 gpm)
- Maximum fluid pressure: 7 bar (100 psi)
- Designed for use with water, antifreeze, fuel, and compatible fluids; suitable for industrial and vehicle service environments
- UL listed
- Stall-free low pulsation air valve for smooth and rapid changeover
- Reliable, robust construction for demanding environments
- Easy maintenance and serviceability
- Handles solids up to 3.2 mm (0.125 in) in size
- Lightweight and compact design
Applications:
Industrial fluid transfer, vehicle service (water, antifreeze, fuel), mining, agriculture, and other sectors requiring reliable, low-pulsation pumping of fluids with solids content
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
- Ensure proper alignment of inlet and outlet connections
- Use appropriate thread sealant for NPT connections
- Check air supply pressure and quality before operation
- Inspect diaphragms and balls regularly for wear and replace as needed
- Follow manufacturers torque specifications for assembly






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