About Precision rings, incorporated

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Custom Piston Ring Manufacturer & Supplier

Precision rings, incorporated (Pri) is an ISO 9001:2015 and AS9100D accredited custom piston ring manufacturer and supplier headquartered in Indianapolis, Indiana. For decades, Pri has specialized in engineering and manufacturing precision piston rings and sealing components for the most demanding industrial applications, where standard, off-the-shelf solutions aren't enough.

As a trusted piston ring manufacturer, Pri produces custom rings ranging in diameter from 0.200" (5.08 mm) to 100" (2,540 mm), giving engineers and procurement teams the flexibility to source a single specialized component or a full production run, all from one experienced manufacturer.

The production facility is equipped to handle complex material requirements, tight tolerances, and application-specific designs, making Precision rings, incorporated the specification-grade choice for engineers and purchasing agents with varying industrial backgrounds.

 

What Industries Does Pri Serve?

As a specialized piston ring supplier, Precision rings, incorporated primarily serves industries where performance, reliability, and material integrity are non-negotiable. The company's core markets include:

Aerospace & Aircraft

Some of the most critical work Precision Rings performs lives here. The company manufactures custom piston rings and end styles for aircraft engines and aerospace applications where superalloy materials, exacting tolerances, and documented traceability are standard requirements. When performance at altitude and under extreme thermal stress is the expectation, aerospace engineers turn to Precision rings, incorporated.

Power Generation

Precision rings, incorporated is a trusted piston ring supplier to power generation facilities worldwide, producing sealing components for turbines, compressors, and fuel nozzles that must perform reliably under continuous, high-cycle operating conditions.

Green Energy

As the energy sector evolves, so does Precision rings, incorporated. The company supports green energy applications requiring custom-engineered sealing components built to the same exacting standards as its traditional power generation work.

Hydroelectric Dam Servo Motor Overhauls

Pri supplies precision piston rings for hydroelectric dam servo motor overhaul projects, large-diameter, specialty applications that demand both dimensional precision and material expertise that few manufacturers can match.

Military

Defense applications require a piston ring manufacturer with the capability, discretion, and quality standards to meet stringent military specifications. Precision rings, incorporated delivers.

Industrial

From heavy equipment to specialized industrial machinery, Pri manufactures custom piston rings for a broad range of industrial applications where durability and dimensional accuracy are critical.

Microreactors

Pri delivers extensive expertise in advanced alloys and thermally responsive materials to address one of the most critical concerns in nuclear microreactor systems: managing thermal expansion while maintaining reliable, long-term sealing integrity.

What Materials Does Precision rings, incorporated Specialize In?

Precision rings, incorporated maintains a deep expertise in high-performance superalloys. These materials and surface treatments define the company's position as a premier piston ring manufacturer for aerospace and power generation applications. Core material specializations include:

Why Work with Precision rings, incorporated?

Precision rings, incorporated, utilizes advanced engineering tools, superalloy materials, proprietary manufacturing equipment, proven techniques, and unparalleled customer service to deliver successful sealing solutions for various power generation technologies. Key factors that set Pri apart from the competition include:

Unmatched Size Range Capability

Pri manufactures custom piston rings from 0.200" (5.08 mm) to 100" (2,540 mm) in diameter, a range few piston ring manufacturers worldwide can match. Whether an application requires a miniature aerospace component or an oversized industrial sealing ring, the company has the equipment and expertise to deliver.

Superalloy Expertise

Specialization in Inconel, Stellite, Hastelloy, Waspaloy, and other high-performance alloys means Pri understands the material behavior, machining requirements, and quality standards these applications demand.

Custom Engineering

Precision rings, incorporated does not sell off-the-shelf products. Every ring produced is engineered and manufactured to customer specifications, ensuring precise fit, function, and performance for each specific application.

Aerospace & Power Generation Focused

The company's deepest experience lives in the industries with the highest stakes. Engineers and purchasing agents in aerospace and power generation trust Pri because the team understands their standards and consistently delivers components that perform in the field.

Responsive, Relationship-Driven Service

As a specialized manufacturer, Precision rings, incorporated offers the responsiveness, technical communication, and application support that large, generalist suppliers often cannot. Customers receive answers from people who know their parts.

Built in America

With manufacturing operations based in Indianapolis, Indiana, Pri provides domestic customers with supply chain reliability, lead-time advantages, and ease of communication that come with working with a U.S.-based piston ring manufacturer.

Discover Precision rings, incorporated

Whether you're designing new equipment or replacing an existing sealing component, Pri can support the application with custom piston rings engineered for performance. Contact Pri or call 317-279-5338 to consult with the engineering department for more information on custom-made piston and seal rings today.