The GRACO DB3316 Husky 1590 is a 1-1/2" NPT air-operated double diaphragm pump with an aluminum center section, stainless steel seats, PTFE balls, and a Santoprene diaphragm. It is designed for industrial fluid transfer applications, offering robust performance and compatibility with a wide range of fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, PTFE balls, Santoprene diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Industrial fluids including water, wastewater, detergents, oils, and more
• 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:
Industrial fluid transfer, including water, wastewater, detergents, motor oil, hydraulic fluid, cutting oil, antifreeze, and asphalt sealer

Installation Notes:

• Ensures optimal performance, reliability, and compatibility with GRACO equipment
• Ensure proper alignment and secure mounting
• Use appropriate thread sealant for NPT connections
• Check air supply for correct pressure and cleanliness
• Inspect diaphragms and balls regularly for wear
• Follow manufacturer’s guidelines for maintenance intervals