The GRACO DB3441 Husky 1590 is an air-operated double diaphragm pump featuring an aluminum center section, hardened stainless steel seats and balls, and a PTFE diaphragm. It is designed for high-flow, reliable transfer of fluids in demanding industrial environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" (38.1 mm) NPT
• Aluminum center section, hardened stainless steel seats and balls, PTFE diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Compact, portable size
• Maximum cycle rate: 200 cpm
• Maximum operating temperature: 150°F (65.5°C)
• Maximum solids handling: 0.19 in (4.8 mm)

Applications:
Ideal for transferring a wide range of fluids in industrial, mining, and agricultural settings where reliability, high flow, and resistance to harsh environments are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses for the 1-1/2" NPT connections
• Follow manufacturer guidelines for air supply and exhaust setup
• Regularly inspect diaphragms, seats, and balls for wear and replace as needed
• Maintain clean air supply to prevent contamination and ensure smooth operation