ARO

ARO Pumps

ARO Pumps, three letters and eighty years. One goal: to be a world-class manufacturer of positive displacement pumps and systems. With an 80-year legacy of premier product performance and service excellence, ARO provides fluid handling equipment for customers and industries worldwide including chemical, manufacturing, energy, pharmaceutical, mining and more. Offering air-operated diaphragm pumps, piston pumps & packages, filters, regulators, & lubricators (FRL's), lubrication equipment, and pneumatic valves & cylinders, ARO / Ingersoll Rand has the right product to meet your specific needs.

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Series from ARO Pumps

  • 1 / 4" Non-Metallic Compact

    1/4" Non-Metallic Compact

    ARO Compact Series 1/4" Ported Non Metallic Diaphragm Pump, 5.3 GPM (20.1 LPM) flow. Available in Polypropylene, Groundable Acetal and PVDF (Kynar). Compact Design, 360º Mounting Versatility when using optional flex checks, Ideal for OEM Applications, Creates a 31-feet of suction lift. Pump Casing Materials: Polypropylene, PVDF (Kynar), Groundable Acetal. Diaphragm Materials: Santoprene, Nitrile, PTFE, Hytrel.

    45 products
  • 3 / 8” Non-Metallic Compact

    3/8” Non-Metallic Compact

    ARO Compact Series 3/8" Ported Non Metallic Diaphragm Pump, 10.6 GPM (40.1 LPM) flow. Designed to meet your OEM application needs! Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners, and your choice of Groundable Acetal, PVDF (Kynar) or Polypropylene casing materials. Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Center, End, and Dual Inlet / Outlet manifold configurations for your application needs. Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Ease of service through modular design. Diaphragm Materials: Santoprene, Hytrel, PTFE w/ Santoprene backer & Viton.

    117 products
  • 3 / 4” Metallic Compact

    3/4” Metallic Compact

    ARO Compact Series 3/4" Ported Metallic Diaphragm Pump, 13.6 GPM (51.5 LPM) flow. Designed to meet your OEM application needs! Install directly onto your 3/4" application, saving you a fitting and a possible leak point! Efficiency – Simul Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Compact design enables usage in limited space and other versatile locations Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Easier service through modular design. Pump Casing Materials: Aluminum. Diaphragm Materials: Santoprene, PTFE & Hytrel

    18 products
  • 3 / 4” Non-Metallic Compact

    3/4” Non-Metallic Compact

    ARO Compact Series 3/4" Ported Non Metallic Diaphragm Pump, 14.8 GPM (56 LPM) flow. Designed to meet your OEM application needs! Install directly onto your 3/4" application, saving you a fitting and a possible leak point. Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners, and polypropylene casing materials. Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Compact design enables usage in limited space and other versatile locations. Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Easier service through modular design. Diaphragm Materials: Santoprene, Hytrel, PTFE w/ Santoprene backer.

    14 products
  • 1 / 2” Metallic Compact

    1/2” Metallic Compact

    ARO Compact Series 1/2" Ported Metallic Diaphragm Pump, 12 GPM (45.4 LPM) flow. Designed to meet your OEM application needs! Manufactured for complete corrosion resistance - constructed with polypropylene or aluminum center body, standard stainless steel fasteners, and your choice of anodized aluminum or stainless steel casing materials Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Compact, heavy duty design enables usage in versatile locations including limited space. Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Ease of service through modular design. Pump Casing Materials: Aluminum & Stainless Steel. Diaphragm Materials: Santoprene, PTFE w/ Santoprene backer, Hytrel, Polyurethane, Nitrile & Viton

    104 products
  • 1 / 2” Non-Metallic Compact

    1/2” Non-Metallic Compact

    ARO Compact Series 1/2" Ported Non Metallic Diaphragm Pump, 14.4 GPM (54.5 LPM) flow. Designed to meet your OEM application needs! Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners, and your choice of Groundable Acetal, PVDF (Kynar) or Polypropylene casing materials. Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Center, End, and Dual Inlet / Outlet manifold configurations for your application needs. Environmentally Sound – Bolted construction for leak-free fluid handling. Serviceability - Ease of service through modular design. Diaphragm Material: Santoprene, Hytrel, Nitrile, PTFE w/ Santoprene backer, Polyurethane & Viton.

    127 products
  • 1 / 2" Classic Style Non-Metallic Compact

    1/2" Classic Style Non-Metallic Compact

    ARO Compact Series 1/2" Classic Style Ported Non Metallic Diaphragm Pump, 13 GPM (49.2 LPM) flow. ARO has the world's best-selling 1/2" ported diaphragm pump! Designed to meet your OEM application needs. Efficiency - Motor design delivers optimum air efficiency. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Center, End, Dual Inlet / Outlet, and Swivel Top manifold configurations to fit your specific application. Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Ease of service through modular design. Pump Casing Materials: Polypropylene, Groundable Acetal & PVDF (Kynar). Diaphragm Materials: Neoprene, Nitrile, Viton, PTFE / Santoprene, E.P.R., Polyurethane, Hytrel & Santoprene.

    56 products
  • 1 / 2" Ported Sanitary Transfer

    1/2" Ported Sanitary Transfer

    ARO ½” Ported Sanitary Transfer Pump - 12 GPM (98.4 LPM). Constructed of FDA Accepted Materials. Electro-Polished 316 Stainless Steel Fluid Section. Bolted Construction with all Stainless Steel Hardware. All Investment Cast Wetted Parts. Typical Applications - Food processing, cosmetics, pharmaceutical, chemical additives (food grade), paint, and applications requiring quick-disconnect fluid