Since 1982, Pneu-Draulics has provided made-in-the-USA O-rings and seal profiles to meet the needs of complex applications. Today, we are an industry-leading distributor of top-quality sealing solutions. Our business philosophy is to sell only the high-quality products our customers need and provide prompt customer support.

Our commitment to product availability, quality, and customer service allows us to excel in diverse markets, setting us apart from our competitors. Serving both the maintenance, repair, and operations (MRO) and original equipment manufacturer (OEM) sectors, our industrial sealing services include solutions for standard O-rings, custom machined seals, and design consultations.

As a global supplier and ISO 9001:2015 certified company, Pneu-Draulics has the resources and capabilities to deliver quality products that conform to material, customer, and dimensional specifications. Learn more about our solutions on this page.

O-Rings

O-Rings

Pneu-Draulics carries a full inventory of high-quality O-rings that adhere to strict MIL-I-45208A, MIL-P-4861 B, and other Mil-Spec standards. Our mil-spec compounds include:

  • A7276
  • AMS7257
  • AMS-P-5315
  • MIL-G-21569
  • General-purpose nitrile (N0674)

We can supply individually packaged O-rings or high-volume economy packs based on your specific production and application requirements. Our access to Parker Hannifin’s comprehensive product line allows us to deliver:

  • Competitive pricing
  • Reliable performance
  • Unparalleled availability

At Pneu-Draulics, we have proven experience providing precision sealing solutions to the following industries:

Aerospace

Aerospace

Aftermarket MRO

Aftermarket MRO

Fluid Power

Fluid Power

Manufacturing

Manufacturing

Medical

Medical

Military

Military

Mining

Mining

Parker Hannifin FF504

Parker Hannifin FF504

As a proud distributor of Parker Hannifin products, we work with the Parker engineering team to support our customers’ precise needs. In applications and industries where chemical resistance is essential, the green perfluorinated elastomer Parker FF504-80 stands out due to the following properties:

  • Hardness: 80 durometer
  • Compatibility: Excellent compatibility with acids, amines, bases, ethylene oxide, steam, and other aggressive chemicals
  • Durability: Able to withstand the rigors of extreme operating environments
  • Thermal stability: Superior thermal stability (up to 275 ºC)

The Parker FF504-80 O-ring is optimal for:

  • Paint spray applications
  • Exploration and production of oil & gas (EOG)
  • Chemical process industry (CPI)
  • General industrial applications
Sealing Design

Sealing Design

Our custom sealing solutions are engineered to meet the unique demands of high-performance environments, from mission-critical medical devices to aerospace systems. Utilizing advanced materials and detailed specs from your design action request (DAR) form, our expert team collaborates with you to develop sealing solutions that address demanding operational challenges, such as:

  • Corrosive media
  • Extreme temperatures
  • High pressure
  • Challenging tolerances

At Pneu-Draulics, every sealing solution we design is guided by precision, performance, and application-specific expertise to ensure compliance, efficiency, and durability throughout the production process.

Custom Machined Seals

Custom Machined Seals

Pneu-Draulics offers custom precision seals according to our customers’ exact specifications. Our machining capabilities can support seal diameters up to 23.5″, and we can provide extended sizes (up to 57″) as needed.

Our expert team can produce standard profiles from a wide range of pre-configured seal profiles or custom designs based on your uploaded drawings. We carry a vast range of high-performance sealing materials, including:

  • Bronze-filled polytetrafluoroethylene (PTFE)
  • Hydrogenated nitrile butadiene rubber (HNBR)
  • NBR/Buna-N
  • Nylon
  • Polyacetal
  • Polyurethane
  • Virgin PTFE
  • Viton®
Custom Kitting

Custom Kitting

Pneu-Draulics offers custom kitting solutions to streamline our customers’ supply chains. Our expert team handles the following tasks to ensure kits arrive complete, organized, and ready to go:

  • Part selection
  • Packaging design
  • Labeling
  • Delivery

Our custom kitting solutions remove the complexity of component management, freeing up our customers to focus on their core business. Whether you need spare kits for field service teams, a simpler inventory process, or a hydraulic repair kit, our kitting solutions adhere to budget, timeline, and spec requirements.

Hydraulic and Pneumatic Seals

Hydraulic and Pneumatic Seals

Hydraulic and pneumatic motion control systems require robust seals to convert fluid or pneumatic power into controlled linear motion. Pneu-Draulics offers the following types of sealing solutions for reliable performance in motion control systems:

  • Hydraulic seals: Engineered for high-pressure, demanding environments. Best suited for use in presses, cylinders, and dynamic hydraulic systems.
  • Pneumatic seals: Designed for lighter-duty systems, such as air valves and cylinders, where lower operating pressures are standard.

These sealing solutions are vital for repairs of low-pressure pneumatic and high-pressure hydraulic actuators. Our seals provide:

  • Reliable gas or fluid separation
  • Leakproof operation
  • Long service life

At Pneu-Draulics, we offer a wide variety of standard materials, sizes, and profiles to match specific application needs. Our team can also customize components to meet your exact requirements.

Custom Labels and Packaging

Custom Labels and Packaging

At Pneu-Draulics, we understand that industrial labeling involves more than attaching a name to something. Labels must meet exact specifications for the following criteria:

  • Ability to withstand harsh environments
  • Adherence to strict regulatory standards
  • Communication of brand identity
  • Enhanced product appeal

With decades of industrial sealing service expertise, we deliver high-performance, durable labels using rugged materials, adhesives designed for harsh environments, and advanced printing processes.

From aerospace components to hydraulic systems, Pneu-Draulics delivers labels that remain legible and securely in place. We offer custom branding, safety labeling, and part identification services to ensure our customers receive products that meet their exact requirements every time.

INDUSTRIAL SEALING SERVICES FROM PNEU-DRAULICS

For over 40 years, Pneu-Draulics has been committed to delivering high-quality products that meet or exceed our customers’ expectations. Our dedicated employees keep up with logistical requirements, market trends, and product profiles to continuously provide customers with innovative custom sealing solutions.

Contact us or request a quote today to learn more about our top-quality O-rings, hydraulic and pneumatic seals, kitting, and other industrial sealing services. You can also send a completed DAR form to sales@pneu-draulics.com for immediate assistance.