The GRACO DB3366 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, and Santoprene balls and diaphragm. It is designed for reliable fluid transfer in demanding industrial environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, Santoprene balls and diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (0.8 MPa, 8 bar)
• Compatible with a wide range of industrial fluids; not for export (domestic use only)
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air section for tough environments
• Externally accessible air valve for easy maintenance
• Up to 5 times longer diaphragm life compared to similar pumps
• Fewer parts than industry peers

Applications:
Industrial fluid transfer, including abrasive, viscous, or corrosive liquids; suitable for mining, agriculture, and other heavy-duty applications

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety.
• Ensure proper alignment and secure mounting
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow all safety instructions in the manual
• Regularly inspect and maintain the pump for long service life
• Check for leaks and wear during routine maintenance
• Service the air valve and diaphragm as recommended
• Use only compatible fluids and materials