The GRACO D53338 is an air-operated double diaphragm pump designed for reliable fluid transfer. It features an aluminum housing, polypropylene center section, stainless steel seats and balls, and a fluoroelastomer diaphragm. This pump is intended for use in demanding industrial environments to transfer a wide range of fluids, including those with small solids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 716, 3/4" NPT
• Aluminum housing, polypropylene center section, stainless steel seats and balls, fluoroelastomer diaphragm
• 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 and small solids (up to 0.09 in/2.5 mm)
• No seals to leak or fail
• Quiet running (less than 85 dBa, with remote muffler capability for lower noise)
• Easy-to-service air valve and ball checks
• Reliable air valve for years of dependable performance
• Maximum pump speed: 400 cpm
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum ambient operating temperature: 180°F (82°C)

Applications:
Used for transferring fluids in industrial, mining, agricultural, and maintenance applications. Suitable for handling fluids with small solids and for use in environments requiring robust, reliable pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Read all instruction manuals, tags, and labels before operating the equipment.
• Ensure all connections are secure and use the correct thread type (NPT).
• Grease the lapped surface of the valve plate and install with the lapped surface facing up.
• Use all parts included in the kit for proper assembly.
• Follow recommended maintenance schedules for air valve and ball checks.