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Ball Valve Seats

We manufacture ball valve seats for many industries. Aerospace, Pharmapsutical, Medical, Oil & Gas, Naval Nuclear, Naval Seawater, Chemical and Cryogenic industries. Seat materials we machine, but not limited to are Vespel, PEEK, PTFE, Torlon, PCTFE, PVDF, Ultem 1000 and Delrin DE588

Valve Seats and Seals

Poppet Valve Seats, O-Rings, Stem Bushings, V Packings, Face Seals, Ferrules, Gaskets and Seal Discs are a few examples of sealing components we manufacture. We can machine these out of any plastic and meet any requirements you have, especially close tolerance and severe service environments.


Mil-Spec, Sub-D, Vacuum Feed Throughs, Deep Submergence, Aerospace, High Voltage and High Pressure connectors are a few examples of what we specialize in. We can machine these from high performance polymers such as PEEK, Vespel, PTFE, Ryton R4 and Ultem 1000 but not limited too.

Life Sciences

Manifolds, Ferrules, Couplers, Valve Bodies, Inserts, Instruments, Sample Vessels and Pump Heads are a few examples of the products we manufacture. We machine many specialized materials and can provide our customers with USP Class VI FDA certified PTFE when required.

Bearing and Wear Components

 Non Lubricated Bearings for severe service, Wear Plates, Bearing Seals, Rotary Lip Seals, Bushings, and Shaft Seals are some examples of wear parts we manufacture. Common materials for these applications are Vespel, Carbon Graphite PEEK, PTFE, Torlon and UHMW

High Temperature Components

Jet Engines, Chip Detectors, Nacelle mounts, Fuel Components, Fluid Controls, Air Bleed Valves, Ferrules, Temperature Controls, Sensors, Valve Seats and Seals, Bushings and Bearings. Common materials are Vespel, PEEK, PAEK, PTFE, Carbon Graphite Filled, Glass Filled and many others.  

Home Page

Welcome to our premier destination for plastic machining solutions! At Denney Plastics, we specialize in providing top-tier precision and quality in plastic machining services. With state-of-the-art technology and a team of skilled professionals, we are committed to delivering excellence in every project we undertake.

Explore our comprehensive range of plastic machining capabilities, tailored to meet your exact specifications and requirements. Here is a list of our machining capabilities:

  • Vespel SP-1,SP-21,SP-22®
  • Meldin®
  • PEEK Virgin, Glass, Carbon Filled
  • Torlon Virgin, Glass, Carbon Filled
  • Ryton R4®
  • Ultem 1000®
  • PVDF
  • CT-200®
  • PTFE Virgin, Glass, Carbon Filled
  • Delrin®
  • Acetal
  • DE588®
  • Turcite®
  • Nylon
  • UHMW
  • MD71GG®

Whether you need prototypes, custom parts, or production runs, we have the expertise and resources to deliver results that exceed your expectations. Our dedication to quality control and meticulous attention to detail ensure that each component meets stringent quality standards and precise tolerances.

Partner with us and experience the reliability and expertise that come with years of industry experience. Our commitment to customer satisfaction drives everything we do, from initial consultation to final delivery.

Discover the difference with Denney Plastics and unlock the full potential of plastic machining for your next project. Contact us today to learn more about our services and how we can help bring your ideas to life.