The GRACO 649308 is an air-operated double diaphragm pump designed for industrial fluid transfer. It features a conductive polypropylene center section with end flanges, stainless steel seats and balls, and a Buna-N diaphragm. This configuration is intended for safe, reliable transfer of conductive or potentially flammable fluids, making it suitable for use in hazardous environments or where static discharge must be minimized.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050, 1 inch (25.4 mm) flange
• Conductive polypropylene center section, end flanges, stainless steel seats and balls, Buna-N diaphragm
• Maximum free-flow delivery: 189 l/min (50 gpm)
• Maximum fluid pressure: 100 psi (7 bar, 700 kPa)
• Suitable for a wide range of industrial fluids, especially conductive or flammable liquids
• UL listed (for Husky 1050 series)
• Stall-free, low pulsation air valve for smooth and rapid changeover
• Up to 5 times longer diaphragm life compared to other double diaphragm pumps in its class
• 30% more efficient than market leader
• Expanded material offering for diverse applications
• Datatrak option for monitoring and runaway protection

Applications:
Industrial fluid transfer, including conductive or flammable liquids; suitable for mining, agriculture, chemical processing, and other industries requiring safe, reliable pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Install a fluid pressure relief valve at the pump outlet to prevent overpressurization and rupture of the pump or hose (use Fluid Pressure Relief Kit GR112119 for plastic pumps)
• Ensure proper alignment and secure mounting of end flanges
• Follow all local safety and electrical codes for conductive and hazardous environments
• Regularly inspect and maintain diaphragms, seats, and balls for wear