The GRACO DC4347 is a remote air-operated double diaphragm pump designed for industrial fluid transfer. It features a stainless steel (S/S) fluid section with stainless steel seats and hardened stainless steel balls, an aluminum center section, and a Buna-N diaphragm. This configuration is intended for handling abrasive, corrosive, or viscous fluids in demanding environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Stainless steel fluid section, aluminum center section, stainless steel seats, hardened stainless steel balls, Buna-N diaphragm
• Maximum flow rate: 100 gpm (378.5 lpm)
• Maximum discharge pressure: 120 psi (0.84 MPa)
• Compatible with a wide range of industrial fluids including abrasive, corrosive, and viscous liquids
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Easy-to-service air valve and ball checks
• Compact, portable size for high flow applications

Applications:
Industrial fluid transfer, including abrasive, corrosive, or viscous liquids; suitable for mining, agriculture, chemical processing, and wastewater management

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment. Non-genuine parts may compromise safety and efficiency.
• Ensure proper alignment of inlet and outlet connections (1-1/2" NPT)
• Use appropriate thread sealant for leak-free installation
• Verify air supply is clean and dry to prevent valve and diaphragm damage
• Regularly inspect and maintain air valve and ball checks for optimal performance
• Follow GRACO’s recommended maintenance schedule for diaphragm and seat inspection