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3" EXP Metallic with Flanged Manifolds

Expert series diaphragm pumps

3 inch exp flanged metallicThe 3" EXP Metallic diaphragm pump with flanged manifolds delivers unmatched performance and efficiency, offering the best total cost of ownership in the industry.


  • ARO's patented 'Unbalanced' air valve eliminates stalling for ultimate dependability.
  • Simul-Shift™ valve delivers ultra-positive, reliable shift signal.
  • Wide range of construction materials ensures optimum fluid compatibility and maximum versatility.
  • Bolted construction ensures leak-free fluid handling.
  • Modular design makes servicing easy.


  • 66109 Air Line Connection Kit: with piggyback filter/regulator, pipe nipple and 1.5m section of hose
  • 67350-1 Cycle Counter Kit
  • 67237 Diaphragm Failure Detection (DFD)
  • 67263 Continuous-Duty Muffler

Pump Casing Materials

  • Hastelloy-C
  • Stainless Steel