The GRACO Husky 1590 Air Operated Double Diaphragm Pump (SKU:. DTD311) is a robust, industrial-grade pump constructed primarily from stainless steel with PTFE diaphragms and balls. It is designed for reliable, continuous transfer of fluids in demanding environments, commonly used in chemical, industrial, and process applications.

Key Features:

• Air Operated Double Diaphragm Pump
• Husky 1590, 1.5" BSPT(F)
• Stainless Steel (fluid section, centre section, porting), PTFE (diaphragms, balls, manifold O-rings)
• Max. 378.5 l/min (100 gpm)
• Max. 120 psi (8.4 bar) input/output
• Designed for use with a wide range of industrial fluids; compatible with GRACO Husky 1590 series equipment
• ATEX certification required (as specified for hazardous environments)
• Patented, high-reliability closed center air valve
• Online serviceable for easy maintenance
• Stainless steel construction for durability and corrosion resistance
• PTFE diaphragms and balls for chemical compatibility
• Epoxy-coated air section for tough environmental conditions
• Designed for continuous duty and high reliability

Applications:
Ideal for transferring aggressive, corrosive, or abrasive fluids in chemical processing, industrial manufacturing, mining, and other demanding environments. Suitable for use in hazardous areas where ATEX certification is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump. Non-genuine parts may compromise reliability and void warranties.
• Read all instruction manuals, tags, and labels before operating the equipment.
• Ensure proper alignment and secure mounting of the pump.
• Use appropriate fittings and gaskets for BSPT connections.
• Check for leaks and proper air supply before startup.
• Regularly inspect diaphragms, balls, and seals for wear and replace as needed.
• Follow manufacturer’s guidelines for maintenance intervals and procedures.