Description
The GRACO DBD311 is a stainless steel air-operated double diaphragm pump designed for high-flow industrial fluid transfer applications. It is robust, portable, and suitable for handling a wide range of fluids, including those with small solids.
Key Features:
- Air-Operated Double Diaphragm Pump
- Husky 1590, 1.5″ (38.1 mm) porting
- Stainless Steel (fluid section), Aluminum (center section), PTFE (diaphragms, balls, manifold O-rings), Buna seals
- 100 gpm (378.5 lpm)
- 120 psi (8.4 bar, 0.84 MPa)
- Industrial fluids, including those with solids up to 0.19 in (4.8 mm)
- ATEX, CE
- Patented, high-reliability closed center air valve
- Online serviceable
- Epoxy-coated air section for tough environments
- Lube-free operation
- Compact and portable
- High flow in a small footprint
Applications:
Industrial fluid transfer, chemical processing, mining, agriculture, and other sectors requiring robust, high-flow pumping solutions.
Installation Notes:
- Ensures optimal performance, reliability, and safety; maintains warranty and certification compliance.
- Ensure correct alignment of inlet and outlet ports
- Use appropriate thread sealant for NPT or BSP connections
- Check air supply for proper pressure and cleanliness
- Inspect diaphragms and seals regularly for wear
- Follow manufacturers torque specifications for assembly
- Regularly inspect and replace diaphragms and seals as needed
- Keep air supply clean and dry
- Monitor for leaks and unusual noise
- Service air valve as recommended
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