The GRACO DT2311 is an air-operated double diaphragm pump featuring a polypropylene body with a stainless steel center section and PTFE diaphragms. It is designed for high-flow, reliable fluid transfer in demanding industrial environments, offering robust performance and easy maintenance.
Key Features:
Air-operated double diaphragm pump
Husky 1590, 1-1/2" (38.1 mm) ANSI end-porting
Polypropylene body, stainless steel center section, PTFE diaphragms
Up to 100 gpm (378 lpm)
Up to 120 psi (8.4 bar, 0.84 MPa)
Suitable for a wide range of industrial fluids; available in polypropylene, aluminum, and stainless steel configurations
Available in ATEX configuration (for hazardous environments)
Patented, high-reliability closed center air valve (online serviceable)
Epoxy-coated air section for tough environmental conditions
Up to five times longer diaphragm life compared to similar pumps
Fewer parts than industry peers; air valve is externally accessible for quick, easy service
Lube-free operation
Compact, portable size
Applications: Ideal for transferring a wide range of fluids in industries such as chemical processing, mining, agriculture, and general industrial maintenance. 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 proper alignment and secure mounting of the pump
Connect air supply according to manufacturer specifications
Use compatible piping and fittings for the intended fluid
Regularly inspect and maintain the air valve and diaphragms for optimal performance
Follow all safety guidelines and local regulations during installation and operation
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