The GRACO DB3318 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, PTFE balls, and a fluoroelastomer (FKM) diaphragm. It is designed for reliable transfer of fluids in industrial environments, offering robust construction and resistance to tough conditions.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, PTFE balls, FKM diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid pressure: 120 psi (0.8 MPa)
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air section for tough environmental conditions
• Maximum cycle rate: 200 cpm
• Maximum operating temperature: 150°F (65.5°C)
• Manifold O-ring material: PTFE

Applications:
Industrial fluid transfer, suitable for handling a variety of liquids in mining, agriculture, and other demanding environments. Not for export.

Installation Notes:

• Ensures optimal performance, reliability, and longevity of the pump. Genuine parts are designed to meet strict quality and safety standards.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and seals for the intended fluid and pressure
• Follow manufacturer guidelines for air supply and exhaust connections
• Regularly inspect and maintain the diaphragm and valve components for wear and tear
• Periodically check and replace diaphragms and seals as needed
• Keep air supply clean and dry to prevent valve and diaphragm damage
• Monitor cycle rate and fluid pressure to avoid overloading the pump