The GRACO D3A331 Husky 307 AC is an air-operated double diaphragm pump designed for reliable fluid transfer. It features a polypropylene (PP) center section, stainless steel (SS) seats and balls, and a PTFE diaphragm, making it suitable for handling a wide range of industrial fluids. This pump is intended for use in GRACO equipment for applications requiring robust, chemical-resistant, and easy-to-maintain fluid transfer solutions.

Key Features:

• Air-operated double diaphragm pump
• Husky 307 AC, 3/8 in. BSP
• PP center section, SS seats, SS balls, PTFE diaphragm
• Up to 7 gpm (26.5 lpm)
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
• Designed for use with a variety of industrial fluids; split manifold option available for pumping multiple fluids without mixing
• ATEX, CE
• Quick and easy assembly and disassembly
• Easy-to-service air valve and ball checks
• Stall-free low pulsation air valve for smooth and rapid changeover
• Fully-groundable acetal model available
• Every pump is tested prior to shipping

Applications:
Ideal for transferring a wide range of industrial fluids in environments requiring chemical resistance, reliability, and ease of maintenance. Suitable for use in industries such as mining, agriculture, manufacturing, and chemical processing.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure proper alignment and secure mounting of the pump
• Use compatible fittings and hoses for the intended fluid
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and service air valve and ball checks for optimal performance
• Perform routine checks on diaphragms, seats, and balls for wear or damage
• Clean and inspect the pump after use with aggressive or corrosive fluids
• Replace worn or damaged components with genuine GRACO parts