The GRACO DBC311 is an air-operated double diaphragm pump designed for industrial fluid transfer. It features an aluminum center section, SP (specialty) configuration with FKM seal seats, stainless steel seats, PTFE balls, and a PTFE diaphragm. This pump is engineered for reliable, long-lasting performance in demanding environments, suitable for handling a wide range of industrial fluids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590 AL, 1-1/2 in. (38.1 mm) BSP
• Aluminum center section, SP configuration with FKM seal seats, stainless steel seats, PTFE balls, PTFE diaphragm
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa) for Husky 1590 series
• Compatible with a wide range of industrial fluids, including chemicals, oils, and water-based solutions (specific compatibility depends on wetted materials: PTFE diaphragm/balls, stainless steel seats, FKM seals)
• Patented, high-reliability closed center air valve
• Online serviceable air valve for quick maintenance
• Fewer parts than industry peers for easier servicing
• Externally accessible air valve for easy maintenance without uninstalling the pump
• Designed for long diaphragm life and reliability in tough environments

Applications:
Industrial fluid transfer, including chemicals, oils, water, wastewater, detergents, antifreeze, and more. Suitable for mining, agriculture, manufacturing, and maintenance operations where robust, reliable pumping is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment. Non-genuine parts may compromise safety and efficiency.
• 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 fluid connections
• Regularly inspect and maintain the pump, especially the diaphragm and seals, for optimal performance and longevity
• Consult the equipment manual for specific installation and maintenance instructions
• Use only recommended replacement parts and lubricants
• Monitor pump performance and address any leaks or unusual noises promptly