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ARO EXP Series pneumatic diaphragm pump applications

ARO EXP Diaphragm Pump: Advanced Pneumatic Performance

No-Stall, No-Freeze Pumps with ARO’s Patented Motor and Automation Ready

 

ARO EXP diaphragm pumps feature flow rates up to 285 GPM (1079 l/min) and offer a wide range of material and porting configurations. EXP Series pumps are available with electronic interface capability, solenoid actuation for accurate cycle rate control, and long-life PTFE diaphragms, providing a 2-time increase in service life over standard PTFE*.

NEW! EXP metallic pumps sizes 1" and larger are now available with the following diaphragm options: Garlock ONE-UP®/EPDM backer, Garlock ONE-UP®/Neoprene backer, and Garlock ONE-UP®/Viton backer.

1/4" to 3/4" Pumps

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1/4'' Non-Metallic Diaphragm Pump

Part of our Compact Series of pumps, our 1/4” pneumatic diaphragm pumps feature big performance in a compact package. Up to 5.3 GPM (20 l/min)
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3/8'' Non-Metallic Diaphragm Pump

Part of the ARO Compact Series diaphragm pump range, the 3/8” plastic pumps feature big performance in a small package. Up to 10.6 GPM (40.1 l/min).
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1/2'' Non-Metallic Diaphragm Pump

The 1/2'' non-metallic pneumatic diaphragm pumps of ARO are manufactured for complete corrosion resistance - constructed with polypropylene center body.
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3/4'' Non-Metallic Diaphragm Pump

The 3/4” ARO diaphragm pumps feature big performance in a small package. They offer flow rates up to 14.8 GPM (56 l/min) and a wide range of material and ports.
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1/2'' Metallic Diaphragm Pump

The 1/2'' Metallic ARO diaphragm pump is manufactured for complete corrosion resistance and constructed with a polypropylene or aluminum center body.
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3/4'' Metallic Diaphragm Pump

The ARO 3/4'' metallic air operated diaphragm pump is designed to achieve flow rates up to 13,6 GPM (51,5 l/min) and offer a wide range of material and ports.

1" to 3" Pumps

Now Available: 3" Non-Metallic EXP Series Diaphragm Pump

ARO has expanded its line of EXP Series pumps with the new 3" non-metallic diaphragm pump. Designed for chemical and water processing applications, the 3" non-metallic pump can transfer up to 285 gpm (1079 lpm) of fluid without causing the type of damage possible from smaller capacity pumps that use higher pressure.

3'' EXP Non-Metallic Air Operated Diaphragm Pump

EXP is Automation Ready

All EXP Series pumps are enhanced with electronic interface capability, providing accurate, electronically controlled dosing. Combine our pump with the ARO Controller or a PLC or PC based system and switch from inaccurate, inefficient manual processes to intelligent fluid management. 

  • EXP is compatible with almost any automation system 
  • Electronic Interface Pumps are now available for hazardous duty environments (ATEX, NEC, and CEC certifications) 
  • Leak detection option certified for use in ATEX/ and NEC/CEC locations detects diaphragm failure to help reduce costly production downtime 
  • Internal cycle sensor and end-of-stroke signals track end-of-stroke feedback and pump data 
  • Preassembled components for hassle-free and error-proof installation
ARO diaphragm pumps with electronic interfaces PE Series

Exclusive ARO® Quick Dump™ Valve


Our EXP Series diaphragm pumps feature an exclusive to ARO® Quick Dump™ valve that reduces icing by keeping cold exhaust air out of the air motor. This patented feature improves reliability and durability when running your pumps at high speeds to reduce downtime and maintenance. 

ARO Quick Dump Valve

Solenoid in the Air Valve

What is the advantage? The solenoid actuation allows for accurate cycle rate control and provides a more consistent volume per stroke than is achieved with standard pumps. Additionally, solenoid control allows for a precise number of cycles to be fully completed for improved batch repeatability.

Solenoid valve for ARO EXP pneumatic diaphragm pump

All 1/4" - 2" Non-metallic PD pumps are now upgradeable!

PD pumps are manufactured such that solenoid operation, flow monitoring and leak detection functionality can be added at a later date. As your processes mature, this capability allows you to enhance manually operated processes to incorporate additional control and monitoring capabilities. Simply remove two plugs and replace with a proximity sensor and (or) leak detector. Once upgraded, these components can also be integrated with the ARO controller for seamless integration.