ARO® Piston Pumps & Packages


Piston pumps are the heartbeat that keeps material flowing through your most vital systems. When a steady stream is essential to your operation, it’s important to trust products that can handle the pressure––that’s where ARO® comes in.

ARO® offers a versatile range of piston pump packages capable of meeting the specific needs of your specific application. Available in multiple configurations with a broad selection of pressure ratios and displacement rates, our pumps can help unlock superior performance and increase production across a number a unique applications.


AF1045 Series Piston Pumps

AF1045 Series Piston Pumps

45:1 Ratio
10'' Air Motor
6.27 GPM (23.7 LPM) max flow
Max Fluid: 4,050 psi

AF1015 Series Piston Pumps

AF1015 Series Piston Pumps

15:1 Ratio
10'' Air Motor
18.1 GPM (68.6 LPM) max flow
Max Fluid: 1,350 psi

AF1265 Series Piston Pumps

AF1265 Series Piston Pumps

65:1 Ratio
12'' Air Motor
6.27 GPM (23.7 LPM) max flow
Max Fluid: 5,850

AF0411 Series Piston Pumps

AF0411 Series Piston Pumps

11:1 Ratio
4 1/4'' Air Motor
3.7 GPM (14 LPM) max flow
Max Fluid: 1,747 psi

AF0645 Series Piston Pumps

AF0645 Series Piston Pumps

45:1 Ratio
6'' Air Motor
1.9 GPM (7.3 LPM) max flow
Max Fluid: 5,459 psi

AF0660 Series Piston Pumps

AF0660 Series Piston Pumps

60:1 Ratio
6'' Air Motor
1.4 GPM (5.4 LPM) max flow
Max Fluid: 6,000 psi

AF0840 Series Piston Pumps

AF0840 Series Piston Pumps

40:1 Ratio
8'' Air Motor
3.7 GPM (14 LPM) max flow
Max Fluid: 4,967 psi
Max Fluid: 4,500 psi

AF0430 Series Piston Pumps

AF0430 Series Piston Pumps

30:1 Ratio
4 1/4'' Air Motor
1.3 GPM (4.9 LPM) max flow

AF1223 Series Piston Pumps

AF1223 Series Piston Pumps

23:1 Ratio
12'' Air Motor
18.1 GPM (68.6 LPM) max flow
Max Fluid: 2,070 psi

AF0828 Series Piston Pumps

AF0828 Series Piston Pumps

28:1 Ratio
8'' Air Motor
6.27 GPM (23.7 LPM) max flow
Max Fluid: 3,360 psi

AF0623 Series Piston Pumps

AF0623 Series Piston Pumps

23:1 Ratio
6'' Air Motor
3.8 GPM (14.3 LPM) max flow
Max Fluid: 3,495 psi

AF0422 Series Piston Pumps

AF0422 Series Piston Pumps

22:1 Ratio
4 1/4'' Air Motor
1.9 GPM (7.2 LPM) max flow
Max Fluid: 3,412 psi

AF0810 Series Piston Pumps

AF0810 Series Piston Pumps

10:1 Ratio
8'' Air Motor
15.6 GPM (58.9 LPM) max flow
Max Fluid: 1,200 psi

AF0409 Series Piston Pumps

AF0409 Series Piston Pumps

9:1 Ratio
4 1/4'' Air Motor
2.8 GPM (10.5 LPM) max flow
Max Fluid: 1,350 psi

61204X-X Series Piston Pumps

61204X-X Series Piston Pumps

1:1 Ratio
2'' Air Motor
18 GPM (68.1 LPM) max flow
Max Fluid: 150 psi

NM2202X-X1-X31 'N' Series Pump

NM2202X-X1-X31 'N' Series Pump

2:1 Ratio
2'' Air Motor
2.15 GPM (8.14 LPM) max flow
Max Fluid: 351 psi

NM2318B-13-X43 'N' Series Pump

NM2318B-13-X43 'N' Series Pump

18:1 Ratio
3'' Air Motor
0.61 GPM (2.3 LPM) max flow
Max Fluid: 2,700 psi

NM2304X-X1-X11 'N' Series Pump

NM2304X-X1-X11 'N' Series Pump

4:1 Ratio
3'' Air Motor
2.1 GPM (8 LPM) max flow
Max Fluid: 600 psi

NM2328A-11-X11 'N' Series Pump

NM2328A-11-X11 'N' Series Pump

28:1 Ratio
3'' Air Motor
0.38 GPM (1.4 LPM) max flow
Max Fluid: 4,200 psi

AF0807 Series Piston Pumps

AF0807 Series Piston Pumps

7:1 Ratio
8'' Air Motor
23.5 GPM (88.8 LPM) max flow
Max Fluid: 1,009

AF0805 Series Piston Pumps

AF0805 Series Piston Pumps

5:1 Ratio
8'' Air Motor
32.8 GPM (124 LPM) max flow
Max Fluid: 702

AF0604 Series Piston Pumps

AF0604 Series Piston Pumps

4:1 Ratio
6'' Air Motor
21.3 GPM (80.6 LPM) max flow
Max Fluid: 633 psi

AF0603 Series Piston Pumps

AF0603 Series Piston Pumps

3:1 Ratio
6'' Air Motor
29.3 GPM (110.8 LPM) max flow
Max Fluid: 457 psi

AF0402 Series Piston Pumps

AF0402 Series Piston Pumps

2:1 Ratio
4 1/4'' Air Motor
21.3 GPM (80.6 LPM) max flow
Max Fluid: 312 psi

AF0412 Series Chop Check Piston Pumps

AF0412 Series Chop Check Piston Pumps

12:1 Ratio
4 1/4'' Air Motor
3.2 GPM (12.3 LPM) max flow
Max Fluid: 2,085 psi

AF0423 Series Chop Check Piston Pumps

AF0423 Series Chop Check Piston Pumps

23:1 Ratio
4 1/4'' Air Motor
1.8 GPM (6.9 LPM) max flow
Max Fluid: 3,690 psi

AF0443 Series Chop Check Piston Pumps

AF0443 Series Chop Check Piston Pumps

43:1 Ratio
4 1/4'' Air Motor
0.74 GPM (2.8 LPM) max flow
Max Fluid: 6,549 psi

AF0623 Series Chop Check Piston Pumps

AF0623 Series Chop Check Piston Pumps

23:1 Ratio
6'' Air Motor
3.2 GPM (12.3 LPM) max flow
Max Fluid: 4,215 psi

AF0646 Series Chop Check Piston Pumps

AF0646 Series Chop Check Piston Pumps

46:1 Ratio
6'' Air Motor
1.8 GPM (6.9 LPM) max flow
Max Fluid: 7,485 psi

AF0665 Series Chop Check Piston Pumps

AF0665 Series Chop Check Piston Pumps

65:1 Ratio
6'' Air Motor
1.3 GPM (5.1 LPM) max flow
Max Fluid: 7,475 psi

AF0813 Series Chop Check Piston Pumps

AF0813 Series Chop Check Piston Pumps

13:1 Ratio
8'' Air Motor
12.2 GPM (46.3 LPM) max flow
Max Fluid: 1,900 psi

AF0828 Series Chop Check Piston Pumps

AF0828 Series Chop Check Piston Pumps

28:1 Ratio
8'' Air Motor
6 GPM (22.7 LPM) max flow
Max Fluid: 3,360 psi

AF0844 Series Chop Check Piston Pumps

AF0844 Series Chop Check Piston Pumps

44:1 Ratio
8'' Air Motor
3.8 GPM (14.3 LPM) max flow
Max Fluid: 5,964 psi

AF1020 Series Chop Check Piston Pumps

AF1020 Series Chop Check Piston Pumps

20:1 Ratio
10'' Air Motor
10.5 GPM (39.7 LPM) max flow
Max Fluid: 2,250 psi

AF1044 Series Chop Check Piston Pumps

AF1044 Series Chop Check Piston Pumps

44:1 Ratio
10'' Air Motor
6 GPM (22.9 LPM) max flow
Max Fluid: 3,960 psi

AF1230 Series Chop Check Piston Pumps

AF1230 Series Chop Check Piston Pumps

30:1 Ratio
12'' Air Motor
12.2 GPM (46.3 LPM) max flow
Max Fluid: 3,250 psi

AF1265 Series Chop Check Piston Pumps

AF1265 Series Chop Check Piston Pumps

65:1 Ratio
12'' Air Motor
6 GPM (22.9 LPM) max flow
Max Fluid: 5,850 psi

NM2322E/F Series Chop Check Piston Pumps

NM2322E/F Series Chop Check Piston Pumps

22:1 Ratio
3" Air Motor
0.99 GPM (3.7 LPM) max flow
Max Fluid: 3,300 psi

650939-X4D-B

650939-X4D-B

2.4:1 Ratio, 4.125 sq in Hydraulic
4.4 GPM (16.7 LPM) max flow
120 - 4800 psi (8.3 – 331.0 bar) fluid pressure

 650944-XXX-B

650944-XXX-B

3.3:1 Ratio, 2.062 sq. in. Hydraulic
1.6 GPM (6.1 LPM) max flow
165 – 3,994 psi (11.4 – 275 bar) fluid pressure

 650940-XXD-B

650940-XXD-B

0.8:1 Ratio, 4.125 sq in Hydraulic
12.9 GPM (48.8 LPM) max flow
40 - 1,600 psi (2.8 – 110.3 bar) fluid pressure

650943-X4X-B

650943-X4X-B

0.58:1 Ratio, Hydraulic
3.1 GPM (11.9 LPM) max flow
0 – 2,040 psi (0 – 141 bar) fluid pressure

650949-X4B

650949-X4B

0.3:1 Ratio, 386 psi (max)
17 GPM (64.2 LPM) max flow
18 – 360 psi (1.2 – 24.4 bar) fluid pressure

650950-X4B

650950-X4B

0.2:1 Ratio, Hydraulic Motor
22.4 GPM (84.9 LPM) max flow
10 – 278 psi (0.6 – 19.2 bar) fluid pressure

 650935-X43-C

650935-X43-C

3.6:1 Ratio, 2.062 sq in Hydraulic
1.5 GPM (5.7 LPM) max flow
180 – 4,320 psi (12.2 – 293.8 bar) fluid pressure

 650934-X43-C

650934-X43-C

2:1 Ratio, 2.062 sq in Hydraulic
2.7 GPM (10.2 LPM) max flow
100 – 2,400 psi (6.9 – 165.5 bar) fluid pressure

 650941-XXE-C

650941-XXE-C

1.2:1 Ratio, 4.125 sq in Hydraulic
1.5 GPM (5.7 LPM) max flow
60 – 2,668 psi (4 – 181.5 bar) fluid pressure

Fluid Regulator and Accessories

Ingersoll Rand / ARO offers a comprehensive array of air filters, regulators, and air line accessories that provide the perfect measure of protection and precision to your pump. Ask your distributor to size one for your application today.

Fluid Pressure Regulators

Fluid Pressure Regulators

Providing a combination of high-flow performance, easy maintenance, and precise adjustment, ARO Fluid Pressure Regulators are recognized to be the premier regulators in the industry. Their reliable performance and innovative design features make them the preferred choice among fluid handling operators and material dispensing specialists.

Couplers and Swivels

Couplers and Swivels

Swivels are used to give mobility and flexibility for material hoses and dispensing guns. Select the proper working pressure and check the compatibility of the seals with the material being pumped.

Air Motor Mufflers

Air Motor Mufflers

Reduces air exhaust noise level to acceptable OSHA standards

Material Filters

Material Filters

Remove lumps and particulates from pumped material to ensure the delivery of free-flowing, homogeneous material to the dispense valve

FRL's

FRL's

Proper conditioning of compressed air is essential to ensure maximum performance and service life from pneumatic power tools and equipment. The small initial investment for installation of air preparation units in an air line system will pay long-term dividends in increased productivity, consistent quality, and decreased maintenance costs. Ingersoll rand/ARO offers an extensive line of air line filters, regulators, and lubricators, including individual units, piggybacks, and combos, to meet your exact air preparation needs.

Over-Run Controls / ARO-STOP® Valve

Over-Run Controls / ARO-STOP® Valve

Shuts off air to the pump when material container is empty or when the line is broken

Fluid Inlet/Outlet

Either upstream or downstream, ARO offers a variety of accessories to facilitate the transfer of fluid, reduce pulsation, and enhance your application.

Hoses

Hoses

ARO offers several size, material, and pressure options to meet your application

5 Gallon Follower Plates

5 Gallon Follower Plates

Fluid is assisted into pump

55 Gallon Follower Plates

55 Gallon Follower Plates

Forms seal to maintain prime

Extrusion Guns

Extrusion Guns

Designed for optimal flow of your dispensed media

Nozzle Kits

Nozzle Kits

Used on manual and automatic extrusion guns

Drum Covers

Drum Covers

Keeps debris from entering fluid supply

Piston Pump Service Kits

ARO offers a complete line of Air and Fluid Section Service Kits to keep your piston pump operating at peak efficiency, maximizing its life span.

2-Ball Fluid Section Service Kit

2-Ball Fluid Section Service Kit

Fluid Section Service Kits contain all the parts necessary to perform routine maintenance on the lower-end of your ARO 2-Ball Piston Pump

4-Ball Fluid Section Service Kit

4-Ball Fluid Section Service Kit

Fluid Section Service Kits contain all the parts necessary to perform routine maintenance on the lower-end of your ARO 4-Ball Piston Pump

Chop Check Fluid Section Service Kit

Chop Check Fluid Section Service Kit

Fluid Section Service Kits contain all the parts necessary to perform routine maintenance on the lower-end of your ARO Chop-Check Piston Pump

Hydraulic Fluid Section Service Kit

Hydraulic Fluid Section Service Kit

2-Ball Pump Air Motor Repair Kits

2-Ball Pump Air Motor Repair Kits

Air Section Service Kits contain all the parts necessary to perform routine maintenance on your ARO piston pump air motor

4-Ball Pump Air Motor Repair Kits

4-Ball Pump Air Motor Repair Kits

Air Section Service Kits contain all the parts necessary to perform routine maintenance on your ARO piston pump air motor

Chop Check Pump Air Motor Repair Kits

Chop Check Pump Air Motor Repair Kits

Air Section Service Kits contain all the parts necessary to perform routine maintenance on your ARO piston pump air motor

Hydraulic Pump Motor Repair Kits

Hydraulic Pump Motor Repair Kits

Air Section Service Kits contain all the parts necessary to perform routine maintenance on your ARO piston pump air motor

Piston Pump Mounting

ARO Mounting Accessories ensure the stability of your piston pump via fixed mounting or mobile to provide complete flexibility.

Single Post Rams

Single Post Rams

Provides responsive pump lifting and pump lowering - with sufficient downforce to permit pump extrusion of materials up to 500,000 cPs. It's ability to revolve 360-degrees allows the ongoing placement and rotation of three, 55-gallon containers - a critical feature in applications that demand continuous material supply.

Two Post Lifts

Two Post Lifts

Pneumatic lift eases change over of empty fluid containers. An internal cylinder lifts the pump from the container. Weight of air motor, pump and mounting bracket maintain pump prime.

Two Post Rams

Two Post Rams

Function like a lift, but also exert downward force.

Floor Mounts

Floor Mounts

Used when fluid is stored in large bulk containers

Wall Mounts

Wall Mounts

Permits pump to be mounted near fluid containers

Stabilizing Brackets

Stabilizing Brackets

Stabilizes pump during operation

Single Post Lifts

Single Post Lifts

Pneumatic lift eases change over of empty fluid containers. An internal cylinder lifts the pump from the container. Weight of air motor, pump and mounting bracket maintain pump prime.

Piston Pump Controls

ARO Control Accessories help the user to fine tune the operation of the piston pump through sensing, actuation, and controlling the supply of air or fluid.

Measuring Cylinders

Measuring Cylinders

Dispenses predetermined quantities of fluid or semi-fluid material

Solenoid Valves

Solenoid Valves

Uses an electronic signal to control the fluid or air supply

Lock-Out Valves

Lock-Out Valves

Meets OSHA lock-out/ tag-out regulations. Installs upstream of air filter / regulator unit.

Air Control Needle Valves

Air Control Needle Valves

Controls air volume supplied to pump, thus permitting operator to control speed of pump.

Manual Control Valve

Manual Control Valve

Four-way control valve for ARO measuring cylinders