The GRACO DC3377 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, Buna-N balls, and Buna-N diaphragm. It is designed for high-flow, heavy-duty fluid transfer applications in industrial environments, offering robust performance and easy maintenance.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, Buna-N balls, Buna-N diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids and slurries; suitable for use with GRACO Husky 1590 series equipment
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Compact, portable size
• Easy-to-service air valve and ball checks
• High flow in a compact design

Applications:
Ideal for transferring fluids and slurries in industrial, mining, agricultural, and manufacturing settings. Suitable for applications requiring high flow rates and robust construction.

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" NPT)
• Use appropriate thread sealant for leak-free installation
• Check air supply for correct pressure and cleanliness
• Inspect diaphragms and balls for wear before installation
• Follow GRACO’s recommended maintenance schedule for best results