Product Overview The DDP50 offers an economical and reliable pump for transfer of light to medium viscosity fluids. High flow rates can be achieved easily especially where low back-pressure applications exist. The ability to dry-run allows easy priming while operating without any damage to the pump. The Cast Aluminium body allows this pump to be used with a range of compatible chemicals as well as the new or used oils and engine coolants (RTU), diesel or oily water applications. Fully repairable and spare parts are readily available. Not suitable for flammable liquids.


Technical SpecificationsMaximum Air Pressure: 690kPa (100psi)Inlet / Outlet Ports: 2" NPT(F)Air Inlet Size/Type: 1/2" NPT(F)Maximum Flow Rate: 598 L/min (viscosity dependant)Suction Lift: 5.2m (dry) / 9.8m (wet)Maximum Solids Handling: 6.4mm (0.25")Fluid temperature range: -12ºC - 82ºCMaximum Noise level: 96 dB(A)Fluid Compatability: Oils (new & used), Engine Coolants RTU (new & used), oily water, dieselWetted Components: Cast Aluminium (body), Buna N (valve seats, diaphragms, check valves)
Model # DDP50
Barcode # 9317147736831
Brand Macnaught
Shipping Weight 18.6000kg
Shipping Width 0.420m
Shipping Height 0.700m
Shipping Length 0.460m
Features & BenefitsUp to 598 litre / minutes flow rate - Measured with water at the pump outletFitted with band clamps on the inlet and outlet manifolds - Easy dismantling for repairs or clearing blockagesCast Aluminium body - Wide range of chemical compatibility for broader applicationsAir-Operated pumps can be speed controlled - More control over a pump outputFast fluid transfer for low to medium viscosity fluids -Inexpensive way to move large volumes of fluidEasy self-priming - No damage to pump while running even with little or no fluid flow (for short periods)
Macnaught offers a 10 year warranty on all Macnaught branded products, with 2 years for electrical components and 1 year on wearing parts. Retracta branded products come with a 10 year warranty, with 1 year guarantee on the hose and wearing parts. Lubemate branded products come with a 1 year limited warranty.

Free Delivery:

Free delivery applies to orders with a value over $100 (Including GST), however, some are excluded as follows:

  • Orders with items that are deemed bulky, large or heavy. (EG: 20KG Oil Drum, Compressors, Welders, long drawer slides, etc…)
  • Orders with items that are deemed as dangerous (Aerosol, Flammable products, etc...)
  • Locations that are deemed as remote or rural by TNT or Australia Post. Your Shipping fee can be calculated on product pages and it will be charged at checkout.

Delivery Times:

For standard and express delivery, typically your order will get processed up to 3 business days before dispatch. In some instances, there can be a slight delay due to a high volume of orders. Once the parcel is in the courier's hands, it is out of our control. Parcels going from VIC to non-Metro for standard and express might take slightly longer. If you request something by a certain day, please contact us via E-mail or call before you place the order.


Pick up in Store:

Click and Collect is available Monday to Friday (8am to 5pm)

You will be contacted by the warehouse to inform you when your order is ready for collection. Your order will not be ready for collection until notified by our warehouse.

If you require an urgent pick up. Please contact us via email or phone so this can be arranged.

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