The GRACO D31336 is a Husky 307 air-operated double diaphragm pump featuring an acetal body, polypropylene center section, stainless steel seats and balls, and a Santoprene diaphragm. It is designed for reliable, low-maintenance transfer of a wide range of fluids in industrial applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 307, 3/8" NPT
• Acetal body, polypropylene center section, stainless steel seats and balls, Santoprene diaphragm
• Up to 7 gpm (26.5 lpm)
• Maximum fluid working pressure: 100 psi (0.7 MPa, 7 bar)
• Designed for use with a variety of fluids in industrial settings; split manifold option available for pumping multiple fluids without mixing
• Quick and easy assembly and disassembly
• Easy to service air valve and ball checks
• Stall-free low pulsation air valve for smooth operation
• Fully-groundable acetal model for safety
• Every pump is tested prior to shipping
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air input

Applications:
Ideal for transferring chemicals, solvents, paints, coatings, and other industrial fluids in manufacturing, mining, agriculture, and maintenance environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Ensure proper grounding of the pump for safety, especially with conductive fluids
• Follow manufacturer instructions for assembly and disassembly
• Regularly inspect and service air valve and ball checks for reliable operation
• Use appropriate fittings and hoses for the intended fluid and pressure