GRACO Husky 1050 Hastelloy 1 in. (25.4 mm) NPT Pump – (SKU: 651442)

Description

The GRACO 651442 is a Husky 1050 air-operated double diaphragm pump constructed with a Hastelloy center section and conductive polypropylene or PVDF seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, robust transfer of fluids, including those with corrosive or abrasive properties, in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050, 1 in. (25.4 mm) NPT
• Hastelloy center section, conductive polypropylene or PVDF seats, PTFE balls, PTFE diaphragm
• 50 gpm (189 lpm)
• 125 psi (8.6 bar, 0.86 MPa)
• Suitable for a wide range of fluids, including corrosive and abrasive liquids
• UL listed (for some models; confirm for this specific part number)
• Stall-free, low pulsation air valve for smooth operation
• Handles solids up to 1/8 in. (3.2 mm)
• Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet
• Maximum pump speed: 280 cpm
• Displacement per cycle: 0.17 gal (0.64 liters)
• Reliable, easy to maintain, robust for industrial use

Applications:
Transfer of water, antifreeze, fuel, and other industrial fluids; suitable for use in mining, agriculture, and general maintenance environments where corrosion resistance and reliability are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow all safety guidelines and manufacturer recommendations
• Regularly inspect and maintain diaphragms, balls, and seats for wear
• Check for leaks and proper air supply before operation
• Periodically clean and inspect the pump for debris or wear
• Replace worn components with genuine GRACO parts