The GRACO 647502 is a Husky™ 1050 air-operated double diaphragm pump with a remote aluminum center section, TPE (thermoplastic elastomer) seats, acetal balls, and TPE diaphragm. It is designed for reliable, low-maintenance fluid transfer in industrial applications, offering smooth operation and leak resistance.
Key Features:
Air-operated double diaphragm pump
Husky 1050, 1" NPT
Aluminum center section, TPE seats, acetal balls, TPE diaphragm
Maximum free flow delivery: 50 gpm (189 lpm)
Maximum fluid pressure: 125 psi (0.86 MPa, 8.6 bar)
Compatible with a wide range of industrial fluids; not for export
Stall-free low pulsation air valve for smooth, rapid changeover
One-piece center section eliminates leaks and reduces maintenance
Remote aluminum center section for flexible installation
Lightweight and robust construction
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: Industrial fluid transfer, including water, antifreeze, fuel, and other compatible liquids. Suitable for mining, agriculture, manufacturing, and maintenance operations.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
Ensure proper alignment and secure mounting of the pump
Use recommended fittings and hoses for inlet and outlet connections
Check air supply pressure and ensure it does not exceed maximum ratings
Inspect and clean pump components before installation
Follow all safety instructions in the product manual
Regularly inspect diaphragms, seats, and balls for wear or damage
Replace worn components with genuine GRACO parts
Keep air supply clean and dry to prevent contamination
Lubricate moving parts as recommended by the manufacturer
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