The GRACO DC334G is an air-operated double diaphragm pump featuring an aluminum center section, stainless steel seats, hardened stainless steel balls, and a Geolast diaphragm. It is designed for high-flow, reliable transfer of fluids in demanding industrial environments, commonly used for lubrication, maintenance, and process applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, hardened stainless steel balls, Geolast diaphragm
• Up to 100 gpm (378 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; suitable for use with GRACO lubrication and maintenance equipment
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class
• Fewer parts than industry peers; air valve externally accessible for quick, easy service
• Lube-free operation
• Quiet running (<85 dBa), with remote muffler capability
• No seals to leak or fail

Applications:
Ideal for high-flow transfer of lubricants, chemicals, and process fluids in mining, agriculture, manufacturing, and maintenance operations. Suitable for use in harsh or corrosive environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure correct alignment of inlet and outlet ports
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow manufacturer guidelines for air supply and exhaust
• Regularly inspect and maintain the air valve and diaphragm for optimal performance
• Install in a location that allows easy access for maintenance