All Products

Air Motors
- Multi-Vane Air Motors
- Piston Air Motors
  - CC - KK Series Air Motors
  - KK5B Series Air Motors
Air Nutrunners
- Ingersoll Rand Air Nutrunners
  - Adjustable Shut-Off Nutrunners
  - Cushion Clutch Nutrunners
- Cleco Nutrunners
Balancers
- Chicago Pneumatic Balancers
- Ingersoll Rand Balancers
  - Air Balancer | Pneumatic Balancer
    - ZA Series Balancers
    - BA Series Balancers
  - Spring Balancer
Construction Tools
- Chicago Pneumatic Construction Tools
- Ingersoll Rand Construction Tools
- Cleco Construction Tools
  - Cleco CH30 Series Chipping Hammer
Cordless tools
- Ingersoll Rand 20V Cordless Tools
Diaphragm Pumps
- ARO Compact Diaphragm Pumps 1/4" to 3/4"
  - ARO Metallic Diaphragm Pumps
    - 1/2" Compact Diaphragm Pumps
    - 3/4" Compact Diaphragm Pumps
  - ARO Non-Metallic Diaphragm Pumps
- ARO Pro Series Diaphragm Pumps 1" to 2"
  - ARO Non-Metallic Diaphragm Pump
  - ARO Metallic Diaphragm Pump
- ARO Expert Series Diaphragm Pumps 1" to 3"
  - ARO Non-Metallic Diaphragm Pumps
  - ARO Metallic Diaphragm Pumps
- ARO Specialty Application Pumps
  - ARO Fuel Transfer Diaphragm Pumps
  - ARO Submersible / De-watering Pumps
- ARO Diaphragm Repair Kits
Fastener Tools
- Bits
- Bit Holders
- Hex Extensions
  - Male Hex Drive Extension w/ 1/4" Male Output
- Impact Sockets
  - 1/4" Square Drive Impact Sockets
- Nutsetters
  - Apex 1/4" Drive General Purpose Nutsetters
  - Apex 1/4" Drive Nutsetters for Sheet Metal Screws
Filter Regulator Lubricators (FRLs)
- ARO 2 Piece Combination Unit FRL's
- ARO 3 Piece Combination Unit FRL's
- ARO Piggyback Filter-Regulator Units
- ARO Filters
- ARO Regulators
- ARO Lubricators
Fixtured Drills
- Ingersoll Rand Self-Feed Drills
- Ingersoll Rand Self-Feed Offset Drills
- Ingersoll Rand Self-Feed Tappers
- Ingersoll Rand Self-Feed Twin Drills
Hoists and Hoist Trolleys
- Columbus McKinnon (CM) Hoists and Trolleys
- Ingersoll Rand Hoists and Trolleys
Hose Reels
- Premium Duty Hose Reels
- Heavy Duty Hose Reels
- Heavy Duty Dual Pedestal Hose Reels
- Medium Duty Hose Reels
Impact Wrenches
- Ingersoll Rand Impact Wrenches
- Sioux Tools Impact Wrenches
  - Sioux D-Handle Impact Wrenches
  - Sioux Pistol Grip Impact Wrenches
- Chicago Pneumatic Impact Wrenches
- Cleco Impact Wrenches
Air Needle Scalers
- Chicago Pneumatic Needle and Chisel Scalers
- Cleco & Dotco Scalers
- Ingersoll Rand Needle Scalers
Lubrication Equipment
- ARO Grease Pump Packages
- ARO Oil Pumps & Packages
  - Oil Piston Pumps
    - LM Series Piston Pumps | 3:1 Ratio | 2" Air Motor
    - LM Series Piston Pumps | 5:1 Ratio | 3" Air Motor
Pneumatic Grinders
- Chicago Pneumatic Grinders
- Desoutter Grinders
- Dotco & Cleco Grinders
- Ingersoll Rand Pneumatic Grinders
- Sioux Tools Grinders
Pneumatic Drills
- Cleco & Dotco Pneumatic Drills
- Chicago Pneumatic Drills
- Desoutter Pneumatic Drills
  - Pistol Grip Pneumatic Drills
- Ingersoll Rand Pneumatic Drills
  - Pistol Grip Pneumatic Drills
- Master Power Drills
- Sioux Drills
Pulse Tools
- Cleco Pulse Tools
  - Cleco Shut Off Pulse Tools
    - Cleco H-Series Pistol Grip Shut Off Pulse Tools
  - Cleco Non-Shut Off Pulse Tools
- Ingersoll Rand Pulse Tools
  - Shut Off Pulse Tools
  - Non Shut-Off Pulse Tools
    - Pistol Grip Non Shut Off Pulse Tools
    - Angle Non Shut-Off Pulse tool
Ratchets
Riveting Tools
- Chicago Pneumatic Rivet Guns
- Cleco & Dotco Rivet Guns
  - 14CF Series
  - F Series
- Desoutter Riveting Tools
  - Compression Riveters
    - Alligator Squeezer Compression Riveters
    - C Yoke Compression Riveters
- Sioux Riveting Tools
  - Alligator Squeezer Compression Riveters
- Ingersoll Rand Rivet Guns
- Ingersoll Rand Air Hammers
Routers
- Cleco & Dotco Routers
- Sioux
Sanders | Polishers | Buffers
- Chicago Pneumatic Sanders & Polishers
- Sioux Tools Sanders & Polishers
- Dotco Sanders & Polishers
- Ingersoll Rand Sanders & Polishers
Saws
- Chicago Pneumatic Reciprocating Saws
- Dotco Saws
Screwdrivers
- Chicago Pneumatic Screwdrivers
- Cleco Screwdrivers
  - Inline Pneumatic Screwdrivers
    - Cleco 8 & 88 Series Inline Pneumatic Screwdrivers
    - Cleco 19 Series Inline Pneumatic Screwdrivers
  - Pistol Grip Pneumatic Screwdrivers
- Desoutter Screwdrivers
- Ingersoll Rand Screwdrivers
- Master Power Screwdrivers
- Sioux Tools Screwdrivers
Specialty Air Tools
- Chicago Pneumatic Specialty Tools
- Cleco & Dotco Specialty Tools
Torque Reaction Arms
- Cleco Torque Arms and Accessories
  - Air Cylinder Torque Arms
  - Spring Torque Arms
- Ingersoll Rand Torque Arms and Accessories
Torque Testers | Digital Torque Meters
Specials

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ARO 1/2" Compact Diaphragm Pumps

ARO Diaphragm Pumps provide stall-free, ice-free operation. Their patented “Unstallable” off balance air valve avoids stalling issues associated with other brand pumps. The “Quick-Dump” exhaust valves divert cold exhaust air from ice-prone components, preventing freezing. Backed by a five-year warranty, Ingersoll Rand ARO offers the most reliable pump on the market today.

Ideal for OEM and General Industrial applications where peak performance, endurance, and reliability are critical, Ingersoll Rand ARO compact pumps feature big performance in a small package. With flow rates up to 14.8 GPM (56 LPM) and a large range of material and porting configurations, ARO has the the right pump for your application.