The GRACO 648213 is an industrial-grade air-operated double diaphragm pump, model Husky 1050A-E, constructed with an aluminum center section and Santoprene balls. It is designed for reliable, efficient transfer of fluids in demanding industrial environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050A-E
• Aluminum center section, Santoprene balls, SP (Santoprene) seats and diaphragms
• Up to 50 GPM (189 LPM) for Husky 1050 series; some listings specify 38 GPM for certain configurations[1][4][5]
• Maximum fluid working pressure: 100–125 psi (depending on configuration); air pressure operating range: 20–100 psi[1][4][5]
• Industrial fluids, oils, waste oils, compatible with 1 in. NPT connections[2][5]
• UL listed for certain configurations[4][5]
• Stall-free low pulsation air valve for smooth operation
• Handles solids up to 1/8 in. (3.2 mm)
• Reliable, robust construction for heavy-duty use
• Easy maintenance and serviceability
• Suitable for continuous and intermittent duty cycles

Applications:
Ideal for industrial fluid transfer, oil and waste oil handling, and general-purpose pumping in mining, agriculture, and manufacturing environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
• Ensure correct alignment of inlet and outlet connections (1 in. NPT recommended)
• Use appropriate air supply within the specified pressure range (20–100 psi)
• Follow manufacturer guidelines for mounting and securing the pump
• Regularly inspect diaphragms, seats, and balls for wear and replace as needed
• Consult the manual for specific installation and maintenance procedures