The GRACO DBC811 Husky 1590 is an air-operated double diaphragm pump featuring an aluminum center section, designed for high-flow, high-pressure fluid transfer in industrial environments. It is constructed with aluminum for durability and is intended for use in applications requiring reliable, lube-free operation and resistance to tough conditions.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" BSP
• Aluminum center section, Flouroelastomer seats, PTFE balls, PTFE diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; suitable for use with aggressive chemicals when equipped with appropriate wetted materials
• ATEX (if required, not always standard; check specific model for certification)
• Patented, high-reliability closed center air valve
• Online serviceable air valve and ball checks
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Compact, portable size
• Easy-to-service design

Applications:
Ideal for transferring fluids in industrial, mining, chemical, and agricultural settings. Suitable for handling abrasive, viscous, or corrosive liquids, as well as slurries with solids up to 0.19 inches (4.8 mm) in diameter.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment of inlet and outlet connections (1-1/2" BSP)
• Check that all seals and diaphragms are correctly installed and free from damage
• Use appropriate thread sealant for BSP connections
• Verify air supply is clean and dry to prevent contamination and wear
• Follow manufacturer-recommended maintenance schedules for air valve and ball checks