ARO Pro Series Diaphragm Pumps

For General Industrial And OEM Installation Applications

Pro Series Diaphragm Pump Catalog

ARO Pro Series Diaphragm Pumps

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Our pumps offer the ability to vary the flow outlet and discharge pressure as slow as 0.26 gallons (1liter) per minute up to 275 gallons (1040 liter) per minute for our larger sizes and adjust fluid pressure up to 123 p.si. (8.5 bar), by using just an air filter / regulator and a needle valve.

ARO Pro Series air operated diaphragm pumps are ideal for general industrial and OEM installation applications. They can easily pump from clean, light viscosity fluids to corrosive, abrasive medium viscosity fluids and can transfer large particles without damage. Due to their pneumatic motor, they could be used in potentially explosive areas. Most of the ARO diaphragm pumps are ATEX certified (CE Ex11 2GD X).

Why ARO diaphragm pumps?

  • Sealless Design
  • Low Material Shear
  • Ease of Maintenance
  • Can Run Dry Without Damage
  • Portable
  • Self Priming
  • Easy to Install

1/4'' Non-Metallic Diaphragm Pump

1/4'' Non-Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 5.3 (20)
Maximum Discharge Pressure psi (bar): 125 (8.6)
Fluid Ports Inlet/Outlet (bsp): Q-1/4-1/8 PTF SAE SHORT
Material of Construction: Polypropylene, Groundable, Acetal, PVDF
Maximum Solids in (mm): 1/16 (1.6)
Maximum Dry Suction Lift ft (m): 15 (4.6)

3/8'' Non-Metallic Diaphragm Pump

3/8'' Non-Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 10.6 (40.1)
Maximum Discharge Pressure psi (bar): 100 (6.8)
Fluid Ports Inlet/Outlet (bsp): 3/8" (F) - In/Out
Material of Construction: Polypropylene, Groundable, Acetal, PVDF
Maximum Solids in (mm): 1/16 (1.6)
Maximum Dry Suction Lift ft (m): 9.25 (2.8)

1/2'' Non-Metallic Diaphragm Pump

1/2'' Non-Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 14.4 (54.5)
Maximum Discharge Pressure psi (bar): 100 (6.8)
Fluid Ports Inlet/Outlet (bsp): 1/2" (F) - In/Out
Material of Construction: Polypropylene, Groundable, Acetal, PVDF
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

1/2'' Classic Style Non-Metallic Diaphragm Pump

1/2'' Classic Style Non-Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 13 (49.2)
Maximum Discharge Pressure psi (bar): 100 (6.8)
Fluid Ports Inlet/Outlet (bsp): 1/2-14 N.P.T.F.-1
Material of Construction: Polypropylene, Groundable, Acetal, PVDF
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

Available Packages:
Waste Oil Evacuation System

3/4'' Non-Metallic Diaphragm Pump

3/4'' Non-Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 14.8 (56)
Maximum Discharge Pressure psi (bar): 100 (6.8)
Fluid Ports Inlet/Outlet (bsp):
3/4 - 14 N.P.T.F.-1
Rp 3/4(3/4-14 BSP, parallel)

Material of Construction: Polypropylene
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

1/2'' Metallic Diaphragm Pump

1/2'' Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 12 (45.4)
Maximum Discharge Pressure psi (bar): 100 (6.9)
Fluid Ports Inlet/Outlet (bsp):
1/2” (F) - In/Out

Material of Construction: Aluminum, Stainless Steel
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

3/4'' Metallic Diaphragm Pump

3/4'' Metallic Diaphragm Pump

Maximum Flow gpm (lpm): 13.6 (51.5)
Maximum Discharge Pressure psi (bar): 100 (6.9)
Fluid Ports Inlet/Outlet (bsp):
3/4 - 14 N.P.T.F.-2
Rp 3/4(3/4-14BSP, parallel)

Material of Construction: Aluminum
Maximum Solids in (mm): 3/32 (2.4)
Maximum Dry Suction Lift ft (m): 15 (4.5)

3/4'' Aluminum Diaphragm Pump

3/4'' Aluminum Diaphragm Pump

Maximum Flow: 33 gpm (125 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 3/4 - 14 NPTF-2
Rp 3/4 (3/4-14 BSP parallel)

Material of Construction: Aluminum
Maximum Solids: 1/8 inch (3.2 mm)
Maximum Dry Suction Lift: 17 ft (5.2 m)

1'' Pro Series Non-Metallic Diaphragm Pump

1'' Pro Series Non-Metallic Diaphragm Pump

Maximum Flow: 47 gpm (177.9 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 1” A.N.S.I./DIN Flange
Material of Construction: Polypropylene or PVDF
Maximum Solids: 1/8” (3.2 mm)
Maximum Dry Suction Lift: 15 ft (4.6 m)

1 1/2'' Pro Series Non-Metallic Diaphragm Pump

1 1/2'' Pro Series Non-Metallic Diaphragm Pump

Maximum Flow: 100 gpm (378.5 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 1.5” A.N.S.I./DIN Flange
Material of Construction: Polypropylene or PVDF
Maximum Solids: 1/4” (6.4 mm)
Maximum Dry Suction Lift: 14 ft (4.27 m)

2'' Pro Series Non-Metallic Diaphragm Pump

2'' Pro Series Non-Metallic Diaphragm Pump

Maximum Flow: 145 gpm (548.8 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 2” A.N.S.I./DIN Flange
Material of Construction: Polypropylene or PVDF
Maximum Solids: 1/4” (6.4 mm)
Maximum Dry Suction Lift: 14 ft (4.27 m)

1'' Pro Series Metallic Diaphragm Pump

1'' Pro Series Metallic Diaphragm Pump

Maximum Flow: 35 gpm (133 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 1 - 11-1/2 NPTF - 1
Rp 1 (1-11 BSP parallel)

Material of Construction: Aluminum, Stainless Steel or Cast Iron
Maximum Solids: 1/8” (3.2 mm)
Maximum Dry Suction Lift: 20 ft (6.1 m)

1 1/2'' Pro Series Metallic Diaphragm Pump

1 1/2'' Pro Series Metallic Diaphragm Pump

Maximum Flow: 90 gpm (340.7 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 1-1/2 11-1/2 NPTF - 1
Rp 1-1/2 (1-1/2 - 11 BSP parallel)

Material of Construction: Aluminum, Stainless Steel or Cast Iron
Maximum Solids: 1/4” (6.4 mm)
Maximum Dry Suction Lift: 19 ft (5.8 m)

2'' Pro Series Metallic Diaphragm Pump

2'' Pro Series Metallic Diaphragm Pump

Maximum Flow: 172 gpm (651 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 2 - 11-1/2 NPTF - 1
Rp 2 (2 - 11 BSP, parallel)

Material of Construction: Aluminum, Stainless Steel or Cast Iron
Maximum Solids: 1/4” (6.4 mm)
Maximum Dry Suction Lift: 27.2 ft (8.3 m)

3'' Pro Series Metallic Diaphragm Pump

3'' Pro Series Metallic Diaphragm Pump

Maximum Flow: 237 gpm (897 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports Inlet/Outlet: 3 - 8 NPTF - 1
Rp 3 (3 - 11 BSP parallel)

Material of Construction: Aluminum, Stainless Steel or Cast Iron
Maximum Solids: 3/8” (9.5 mm)
Maximum Dry Suction Lift: 17.6 ft (5.4 m)