The GRACO D73888 is a 1-inch air-operated double diaphragm pump designed for reliable fluid transfer in industrial applications. Its wetted parts are constructed from aluminum, with Viton balls, diaphragms, and seals, making it suitable for handling a variety of fluids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1040, 1" NPT inlet/outlet
• Wetted parts: Aluminum; Ball, Diaphragm, Seal: Viton
• 40 gal/min (max)
• Designed for use with a wide range of fluids compatible with aluminum and Viton
• Simple, reliable air valve for smooth operation
• Exceptionally reliable and easy to maintain
• Stall-free, low pulsation air valve (featured in other Husky models, indicative of design philosophy)
• Robust construction for demanding industrial environments

Applications:
Ideal for transferring a variety of fluids in industrial, manufacturing, and maintenance settings, including lubrication, chemical transfer, and general fluid handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of inlet and outlet connections (1" NPT)
• Check all seals and diaphragms for integrity before installation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain diaphragms and seals for long service life