The GRACO 233777 is a bare, stainless steel, air-operated diaphragm pump designed for use in liquid coating and spray systems. It is intended for reliable fluid transfer and spray application in industrial environments, particularly for wood and metal finishing, and supports quick color changes and fast material refills.

Key Features:

• Air-operated diaphragm pump
• Triton 1:1, Bare, SST, BSPP
• Stainless steel (SST), Acetal, Nylon, PTFE, fluoroelastomer wetted parts
• Maximum free flow delivery: 8.5 gal/min (32 L/min)
• Maximum fluid working pressure: 115 psi (0.8 MPa, 8 bar); Air pressure operating range: 12 to 115 psi (0.08 to 0.8 MPa, 0.8 to 8 bar)
• Compatible with a wide range of spray technologies (conventional, HVLP, compliant, electrostatic air spray); suitable for wood and metal applications
• Quick color changes and fast material refills
• Reliable performance for demanding industrial environments
• Easy maintenance with accessible components
• Stainless steel construction for durability and chemical resistance

Applications:
Used for applying decorative finishes to wood and metal in industrial spray systems; suitable for all types of metal and wood applications; supports quick color changes and fast material refills.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with GRACO equipment.
• Mount pump using the two 0.35 in. (9 mm) diameter holes provided
• Connect fluid inlet (3/4 NPT or M26 x 1.5), fluid outlet (3/8 NPT or 3/8 BSPP), and air inlet (1/4 NPT or 1/4 BSPP) as specified
• Ensure all connections are secure and leak-free
• Use filtered air to prevent contamination and wear
• Follow all safety warnings and instructions in the manual