The GRACO DBC346 is an air-operated double diaphragm pump with an aluminum center section, Santoprene (SP) diaphragm, stainless steel (SS) seats, and hardened stainless steel balls. It is designed for reliable fluid transfer in industrial applications, compatible with a wide range of fluids including water, oils, and chemicals.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590, 1-1/2 in. (38.1 mm) BSP
• Aluminum center section, SP diaphragm, SS seats, hardened SS balls
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Industrial fluids such as water, oils, chemicals, and compatible with BSP threaded connections
• High-reliability closed center air valve (patented, online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Robust construction for long service life
• Capable of handling solids up to 0.19 in (4.8 mm)
• Maximum suction lift: 20 ft (6.1 m) dry
• Maximum operating temperature: 150°F (65.5°C)

Applications:
Industrial fluid transfer, including water, wastewater, oils, chemicals, and other compatible fluids. Suitable for mining, agriculture, and manufacturing environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure all connections are tight and leak-free before operation
• Verify compatibility of fluid with pump materials (aluminum, SP, SS)
• Follow manufacturer guidelines for maximum pressure and temperature limits
• Regularly inspect diaphragms and seats for wear and replace as needed
• Use appropriate thread sealant for BSP connections
• Perform routine checks on diaphragms, balls, and seats
• Keep air supply clean and dry to prevent valve issues
• Lubricate moving parts as recommended by GRACO
• Replace worn components with genuine GRACO parts