ACI Products

ACI is an industry leader in custom cylinder design, compressor components, control devices, and custom manufacturing capabilities. Our expertise in working with a wide range of materials, including stainless steel and other exotic alloys, enables us to deliver unparalleled quality and performance.

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When it comes to finding functional equivalents of original equipment manufacturer (OEM) parts, ACI is your trusted partner. We specialize in creating precise components constructed to OEM standards, ensuring seamless compatibility and optimal functionality. Our dedication to excellence and meticulous attention to detail result in parts that match the performance of the originals every time.

But ACI’s capabilities extend far beyond replicating existing designs. We thrive on pushing the boundaries of innovation and embracing cutting-edge technologies. Our talented team of engineers and designers are passionate about developing groundbreaking solutions that maximize efficiency, enhance performance, and unlock new possibilities for your applications.

We invite you to explore our extensive range of products below, where you’ll discover a comprehensive selection of top-of-the-line cylinders, compressor components, control devices, and other specialized solutions. Each product embodies ACI’s commitment to excellence, precision, and the relentless pursuit of engineering perfection.

Trust ACI to be your go-to partner for all your custom manufacturing needs. With our exceptional expertise, advanced manufacturing capabilities, and unwavering dedication to innovation, we are ready to turn your ideas into reality and exceed your highest expectations. Contact us today to experience the ACI difference and unlock a world of endless possibilities for your next project.


ACI is a leader in custom cylinder design and manufacture including the use of stainless and other exotic materials. Look to ACI to deliver functional equivalents of OEM cylinders and to develop innovative new designs using new technologies.

  • Custom Designs
  • OEM Replacements
  • Four-Poster™ Designs
  • Valve-in-Head Replacement Designs
  • Repairs and Reconditioning
  • Use of Specialty Materials
aci custom compressors
unloading devices

Unloading Devices

ACI offers a line of volume and bypass Unloading Devices. ACI also supplies a range of actuators for reduced volume demands, variable operating pressures, and reduced discharge pressures.

  • Front-head Fixed Volume Clearance Pockets
  • MultiPocket™ (Multiple Front-head Clearance Pockets)
  • Over-valve Fixed Volume Clearance Pockets
  • Pneumatic Actuators
  • Front-head Bypass (SimPlex™/DuPlex™ Unloading Devices)

and more!


Functioning and high performance valves are a key component of your compressor. ACI has extensive experience diagnosing value issues and creating solutions.

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ACI designs and manufactures acoustic attenuation and pulsation control devices that can solve vibration issues while often reducing pressure losses.

eRCM™ Products and Solutions

ACI’s eRCM Technology is designed to provide end users with the power, flexibility, and accuracy they require. This technology is the core of many ACI products, many OEM software packages, and is used by other commercial products to provide end users with unparalleled abilities and interoperative options.