The GRACO DB334G Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, hardened stainless steel balls, and a Geolast diaphragm. It is designed for reliable, robust fluid transfer in industrial applications, handling a wide range of fluids including abrasive and corrosive materials.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, hardened stainless steel balls, Geolast diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including abrasive and corrosive materials
• ATEX T-code rating dependent on fluid temperature (see documentation for details)
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air motor for corrosion resistance
• Robust construction for heavy-duty use
• Designed for easy maintenance and long service life

Applications:
Ideal for fluid transfer in industrial environments such as mining, agriculture, chemical processing, and general manufacturing. Suitable for handling abrasive, corrosive, and viscous fluids.

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 of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check and tighten manifold bolts and o-rings during installation and maintenance
• Follow torque specifications for assembly (e.g., 130-150 in-lb for certain components)
• Refer to the manual for specific installation and maintenance procedures