The GRACO D54335 is a standard air-operated double diaphragm pump designed for reliable fluid transfer. It features a polypropylene center section, stainless steel (S/S) seats and balls, and a TPE (thermoplastic elastomer) diaphragm. This pump is intended for use in industrial applications requiring robust, leak-free fluid handling within GRACO equipment.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 716 S/S (3/4" NPT)
• Polypropylene center section, stainless steel seats and balls, TPE diaphragm, stainless steel housing
• Maximum flow rate: 16 gpm (61 lpm)
• Maximum discharge pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of industrial fluids, suitable for use with GRACO Husky 716 series equipment
• Center- and end-porting for flexible installation
• No mechanical seals to leak or fail
• Quiet operation (less than 85 dBa) with remote muffler capability
• Easy-to-service air valve and ball checks
• Reliable air valve for years of dependable performance
• Maximum pumpable solids: 0.09 in (2.5 mm)
• Maximum ambient operating temperature: 180°F (82°C)

Applications:
Industrial fluid transfer, lubrication systems, chemical handling, mining, agriculture, and other applications requiring robust, leak-free pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of inlet and outlet ports
• Use appropriate thread sealant for NPT connections
• Check for correct air supply pressure (30–100 psi)
• Regularly inspect and maintain air valve and ball checks for optimal performance
• Periodically check diaphragm and ball condition
• Clean pump internals as needed to prevent clogging
• Follow manufacturer’s recommended service intervals