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  • 1in liquid inlet
  • 1in liquid discharge
  • 1/4in FNPT air inlet
  • 48 GPM max flow rate
  • 120psi max pressure
  • FNPT/FBSPT (threaded) connection

Select models are ready to ship within 3 business days. See configurator above for more details.


The All-Flo A100 Metal Air-Operated Double-Diaphragm Pump is this a 1-inch air-operated diaphragm pump with bolted construction. The pump features a choice of stainless steel or aluminum housing, an aluminum air section, and either Geolast or Santoprene diaphragms. Its port positions are located at the front center for suction and at the rear center for discharge, and it is a standard configuration.