Experience the next level of efficient fluid transfer with our Max Flow Double Diaphragm Pump Series. Designed and manufactured in Japan, the Macnaught Max Flow range delivers industrial-grade process pumping solutions. This 3” Air Operated Double Diaphragm Pump operates at a 1:1 ratio with a maximum flow rate of 277 GPM, ensuring high-volume output with low air consumption. Includes FNPT Threaded or ANSI Flange Connection along with a 5-Year Pump Body Warranty.
M-DDP75AN-02
| Parameter |
Specification |
| Max Flow Rate |
277 GPM |
| Fluid Inlet/Outlet |
3" NPT (F) / 3" ANSI |
| Air Inlet |
3/4" NPT (F) |
| Operating Air Pressure |
30 / 125 PSI |
| Max Solid Size |
10mm / .40 Inches |
| Suction Lift |
18 ft (dry) & 26.2 ft (wet) |
| Liquid Temp. (°F) |
32°F – 140°F |
| Noise Level (ISO 1996) |
90 dB |
| Diaphragm |
Nitrile Buna-N (NBR) |
| Casing |
Aluminum |
FEATURES
- Includes Air Inlet Ball Valve, Exhaust Muffler, and Rubber Leveling Feet.
- Handles Slurries: Transfers high-viscosity, abrasive slurries.
- Optimized Flow: Lighter spool ensures faster, smoother operations
- Effortless Maintenance: Easily accessible air motor for quick and hassle-free servicing.
- Dry-Run Safe: No overheating, runs without liquid.
- Deadhead Resistant: Withstands closed discharge without damage
- Self-Priming: Eliminates the need for manual priming.
- No inline lubrication required: Reduces maintenance and operational costs.
- Diaphragm: Nitrile Buna-N (NBR).
- Pump Wetted Parts: Aluminum and Nitrile Buna-N
Typical Fluids*:
Corrosive Chemicals, Slurries, Viscous Liquids, Abrasive Fluids, Oils, Fuels, Coolants, Mining Medias, Hazardous Fluids
* Please refer to Max Flow Series Diaphragm Pumps chemical handbook for fluid compatibility
Need a flow meter for your pump? Check out our MX Meter Collection Here
Product Sales Sheet: PDF
Instruction Manual: PDF
Service Manual: PDF
Additional Specs:
- 277 GPM
- Weight: 151 Pounds
- Max Air Consumption: 247 SCFM
- Max Discharge Pressure: 125 PSI
- Discharge Volume / Cycle: 1.79 Gallons
Repair Kits & Accessories:
