Valve & Fitting Materials

We understand that all fluid system applications are different and require instrument valves and fittings to be made of various materials. Your choice in material depends on many factors such as environment, budget, etc. Hy-Lok is capable of producing fluid system valves and fittings in the material that you require. We work with materials from stainless steel to special alloys. Get in touch with us if you cannot find that material that you desire below. We can help you find the best solution.

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Performance Considerations

Selecting the right material directly impacts the overall performance and reliability of valves and fittings within a fluid system.

Corrosion resistance ensures long-term durability when exposed to aggressive chemicals or harsh environments. Temperature tolerance determines whether a material can maintain its structural integrity under extreme heat or cold. Pressure capability affects the material’s ability to withstand system loads without deformation or failure. Cleanliness and purity are essential in industries such as semiconductor and pharmaceutical manufacturing, where contamination must be minimized.

By aligning material properties with application requirements, Hy-Lok helps ensure optimal system performance, reduced maintenance, and extended service life.

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Metal Materials

Plastic Materials

  • PEEK
  • UHMWPE
  • PVDF
  • PTFE
  • PCTFE
  • And more

Frequently Asked Questions

What materials are commonly used in fluid system valves and fittings?
Common materials include 316 stainless steel, carbon steel, brass, alloy 400, and engineered plastics such as PTFE, PEEK, and PVDF. Each material offers different benefits depending on the application.

How do I choose the right material for my application?
Material selection depends on factors such as chemical compatibility, temperature range, pressure requirements, and environmental conditions. High purity or corrosive applications typically require stainless steel or specialty alloys, while less demanding environments may use brass or plastics.

What is the advantage of 316 stainless steel in fluid systems?
316 stainless steel offers excellent corrosion resistance, high strength, and durability, making it one of the most widely used materials for valves and fittings in industrial and high purity applications.

When should plastic materials be used instead of metal?
Plastic materials such as PTFE and PEEK are ideal when chemical resistance, non-reactivity, or lightweight components are required. They are commonly used in corrosive environments and high purity systems.

Does Hy-Lok offer custom material solutions?
Yes, Hy-Lok can work with specialized alloys and engineered materials to meet specific application requirements when standard material options are not sufficient.


HAVE A QUESTION?

If you have any questions about any of our products or services, don’t hesitate to give us a call. For any inquiries, fill out the form and one of our Hy-Lok representative will contact you soon.

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