Pumps with flap valves

For pumping semi-solids with a max. diameter of 2” (51 mm) and solids with a max. diameter of 3/4” (19 mm)

Pumps with flap valves

The pumps with flap valves from ARO® were designed to pump fibrous, large solids (dissolved or undissolved), abrasive or silty liquids and other applications. Pumps with a check valve are not suited to these media. The pumps with flap valves from ARO® also deliver effective flow rates of up to 651 l/min.

Product catalogue EXP series - page 43


Pumps with flap valves can be used in the following areas:

  • Drainage
  • Water treatment
  • Transfer of filling materials
  • Supplying of filter presses


Technical data:

  • Ratio: 1: 1
  • Pump capacity: 651 l/min.
  • Operating pressure: 8.3 bar
  • Material connection: 2" (BSP, NPT or ANSI / DIN flange)
  • Air connection: 3/4" NPT
  • Dry intake stroke: 4.2 m
  • Size of solids: 51 mm semi-solids, 19 mm solids