The GRACO DU2377 is a remote air-operated double diaphragm pump constructed with a polypropylene body, stainless steel center section, stainless steel seats, and Buna-N balls and diaphragm. It is designed for industrial fluid transfer applications, offering robust performance in harsh environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Polypropylene body, stainless steel center section, stainless steel seats, Buna-N balls, Buna-N diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Industrial fluids, compatible with a wide range of chemicals and abrasive materials
• Remote air valve for flexible installation
• High flow in a compact, portable size
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions
• Easy-to-service air valve and ball checks
• Maximum solids handling: 0.19 in (4.8 mm)
• Maximum operating temperature: 150°F (65.5°C) for pump, higher for diaphragm materials

Applications:
Industrial fluid transfer, chemical processing, wastewater, abrasive slurries, and general industrial applications where robust, reliable pumping is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Install remote air valve as per manufacturer instructions for flexible operation
• Regularly inspect and maintain diaphragms and ball checks for optimal performance
• Follow all safety guidelines and local regulations during installation and maintenance