Description
The GRACO D52911C31 is an air-operated double diaphragm pump featuring a polypropylene (PP) center section and body, with PTFE balls and diaphragms. It is designed for reliable, leak-free transfer of a wide range of fluids, including those with small solids, in industrial and maintenance applications.
Key Features:
- Air-operated double diaphragm pump
- Husky 515, 1/2″ NPT
- Polypropylene (PP) center section and body, PTFE balls and diaphragms, PP seats
- Up to 15 gpm (57 lpm)
- Maximum discharge pressure: 100 psi (7 bar, 0.7 MPa)
- Compatible with a wide range of fluids, including those with solids up to 3/32″ (2.5 mm)
- Fully-groundable acetal model
- Easy-to-service air valve and ball checks
- Reliable air valve for years of dependable performance
- No mechanical seals to cause fluid leaks or failures
- Runs quietly at less than 85 dBa with remote muffler capability
- Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
- Center and end porting options
- Split manifold option to pump multiple fluids without mixing
Applications:
Ideal for transferring fluids in industrial, maintenance, and lubrication systems, including those with small solids. Suitable for use in mining, agriculture, and other demanding environments.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
- Ensure proper alignment of inlet and outlet connections (1/2″ NPT)
- Use appropriate air supply (minimum 20 psi, 1/4″ NPT air inlet)
- Check for leaks and proper grounding if required
- Regularly inspect and service air valve and ball checks for continued reliability
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