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Air Operated Double Diaphragm Pump 1/2″ – Macnaught

Experience the next level of fluid transfer efficiency with our Max Flow Series Double Diaphragm Pumps. Made in Japan for precision and durability, these pumps operate at a 1:1 ratio with a 62 LPM flow rate, making them ideal for high-volume, low air consumption applications across industries. Dependable, low-maintenance, and versatile. They are designed to keep your operations running smoothly.

  • Multi Port – Versatile multiport design for flexible installation and enhanced efficiency
  • Low Air Consumption – Allows quieter operations
  • Compatible Footprints – Compatible footprints for seamless drop-in replacement and easy installation, designed to fit major brands
  • High Flow Rates – Designed to facilitate high discharge volume up to 62 L/min
  • Machine Mating Surfaces – Reducing any chances of leaks
  • Max Flow Diaphragms – Bigger Diaphragm size for better flow rate and longer life
  • Optimised Flow – Lighter spool ensures faster, smoother operation
  • 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
Model M-DDP13PN-01
Ratio 1:1
Max. Flow Rate 62 L/min
Fluid Inlet / Outlet 1/2″ BSPT (F)
Air Inlet 1/4″ BSPT (F)
Max. Air Pressure 0.7MPa / 100psi
Suction Lift 2m (dry) & 8m (wet)
Max. Air Consumption 700 L/min (ANR) [24.72 SCFM]
Liquid Temp. (°C) 0°C – 60°C
Noise Level (ISO 1996) 84 dB
Recommended Fluid Oils (new & used), Engine Coolants (new and used), Oily water, Diesel, Mild Chemicals (Acetic Acid, Phosphoric Acid), Liquid Fertilisers
Diaphragm Nitrile Buna-N (NBR)
Pump Wetted Parts Polypropylene (PP), Nitrile Buna-N (NBR)