The GRACO DB3341 is an air-operated double diaphragm pump with an aluminum center section, stainless steel (SS) seats, hardened stainless steel balls, and a PTFE diaphragm. It is designed for high-flow, high-pressure fluid transfer in industrial and maintenance applications, compatible with a wide range of fluids and environments.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590 AL 1-1/2 in. (38.1 mm) NPT
• 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; suitable for harsh environments
• Lube-free operation
• Easy-to-service air valve and ball checks
• Epoxy-coated air section for tough environmental conditions
• Compact, portable size
• Reliable and robust for continuous duty cycles

Applications:
Used for transferring fluids in industrial, mining, agricultural, and maintenance settings. Suitable for handling abrasive, viscous, or corrosive fluids where high flow and pressure are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure all connections are tight and leak-free
• Use compatible thread types (NPT or BSP as specified)
• Follow manufacturer guidelines for diaphragm and ball check maintenance
• Regularly inspect and clean the pump to prevent clogging and wear
• Perform routine checks on diaphragms and ball checks for wear or damage
• Lubricate moving parts as recommended (note: this model is lube-free for air section)
• Store the pump in a clean, dry environment when not in use