Bead Tech

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3" Pro Series Metallic

Pro series diaphragm pumps

3 inch pro metallicMaximum flow rate: 897 LPM

The 3" Pro Series Metallic diaphragm pump is the ideal solution for large-volume applications, delivering industry-leading flow rates.


  • Improved versatility delivers expert performance for a variety of applications, including portable dewatering and material transfer.
  • ARO's patented 'Unbalanced' air valve eliminates stalling for ultimate reliability.
  • Motor design delivers maximum air efficiency.
  • Bolted construction ensures leak-free fluid handling.
  • Easy-to-access fluid caps and ball checks ensure optimum serviceability.


  • 66312 Air Line Connection Kit: with piggyback filter/regulator, pipe nipple and 1.5m section of hose
  • 637433-XX Fluid Section Service Kit
  • 637434 Air Section Service Kit
  • 66975 Cycle Counter Kit

Diaphragm Materials

  • Santoprene
  • Nitrile
  • Hytrel
  • PTFE with Santoprene backer