The GRACO DB4341 Husky 1590 SS is a stainless steel air-operated double diaphragm pump with a 1-1/2 in. (38.1 mm) NPT standard configuration. It features an aluminum center section, stainless steel seats, hardened stainless steel balls, and a PTFE diaphragm. This pump is designed for reliable, robust fluid transfer in demanding industrial environments, handling a wide range of liquids including those with abrasive or corrosive properties.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590 SS, 1-1/2 in. (38.1 mm) NPT
• Stainless steel (SS) fluid section, aluminum center section, SS seats, hardened SS balls, PTFE diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including corrosive and abrasive liquids
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class
• Fewer parts than industry peers, air valve externally accessible for quick service
• Quiet running (less than 85 dBa), remote muffler capability
• No seals to leak or fail
• Easy-to-service air valve and ball checks

Applications:
Ideal for transferring a wide range of liquids in industrial settings, including chemicals, paints, coatings, slurries, and abrasive or corrosive fluids. Suitable for mining, agriculture, manufacturing, and other demanding environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate piping and fittings rated for the intended pressure and fluid
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect and maintain the air valve, diaphragm, and ball checks for optimal performance
• Consult the equipment manual for specific installation and maintenance procedures