DF250 Aluminium Diaphragm Pump

Very reliable diaphragm aluminium pumps for large volume transfer (250 l/min max.), dispensing and evacuating a variety of fluids.

These pumps have an aluminium air motor. Typical applications for these pumps are transferring and dispensing of antifreeze solutions, lubricants and diesel, and waste oil evacuation.

They can be used as stand-alone pumps for transfer applications or as systems pumps in distribution systems that include hose reels.

FLUIDS HANDLED

  • Antifreeze and antifreeze solutions
  • Lubricants
  • Waste oil
  • Diesel

MARKETS SERVED

  • Service shops
  • Car and truck dealers
  • In plant
  • Agriculture
  • Lube trucks
  • Mining and construction
  • Railroad and mass transit

Available Models & Accessories

PART No. Materials Applications
554 010 Aluminium, Hytrel®, Acetal, Viton®, Stainless steel Antifreeze solutions
554 030 Aluminium, Buna-N, Stainless steel Antifreeze solutions, lubricants, diesel, waste oil evacuation and transfer

Technical Data

Pump pressure ratio 1:1
Maximum Free Delivery(1) 250 l/min
Delivery Per Stroke Approx.(1) 0.60 litres
Delivery Per Cycle (2 X Strokes)(1) 1.2 litre
Air Pressure Operating Range 1.5 to 8 bar
Solids in Suspension Maximum Size 6 mm
Maximum Dry Suction Head(1) 5 m
Maximum Wet Suction Head(1) 8 m
Weight 20 kg
Fluid Inlet Connection 1 1/2" BSP (F) and DIN
PN-10 flange
Fluid Outlet Connection 1 1/2" BSP (F) and DIN
PN-10 flange
Air Inlet Connection 1/2" NPSM (F)
  1. Data measured with water, air inlet pressure 7 bar (100 psi), 20 ºC (68 ºF).

Technical Graphs

Product Name: DF250 Aluminium Diaphragm Pump
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