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FFKM Diaphragms

FFKM (perfluoroelastomer) diaphragms are engineered for extreme chemical, thermal, and mechanical environments, where conventional elastomers fail due to aggressive media, high temperatures, or permeation. FFKM diaphragms are commonly used in pumps, valves, regulators, and fluid control systems where flexibility, chemical resistance, and long-term durability are critical. In addition to diaphragms, FFKM is widely used in O-rings, gaskets, custom molded parts, and tubes for complete sealing system solutions.


At Canyon Components, Canrez® FFKM diaphragms are available in a wide range of configurations, including fully molded diaphragms, composite diaphragms with fabric or reinforcement layers, and over molded assemblies bonded to metal or plastic components. These options allow for optimized performance in both standard and highly specialized applications. Compared to Kalrez® and Chemraz®, Canrez® FFKM offers excellent performance, improved availability, and competitive pricing, making it a strong choice for demanding diaphragm applications.


FFKM diaphragms are particularly valuable in systems where dynamic flexing, chemical exposure, and temperature extremes occur simultaneously. Canyon Components works closely with customers to design both standard and fully custom diaphragm solutions, ensuring the right combination of material properties, geometry, and reinforcement for each application.


Common names include: FFKM, Perfluoroelastomer, Perfluorinated Rubber. Trade names: Canrez®, Kalrez®, Chemraz®, Simriz®, Parofluor®.

FFKM O-rings from Canyon Components providing excellent chemical, heat, and compression resistance in critical sealing applications.

FFKM Materials Available Diapharagms

This table shows many of our standard materials and links out to our O-ring store. Get in touch with us if you need a custom gasket, custom molded part, or non-standard geometry!

Canyon Components stocks Kalrez O-rings in AS568, JIS, and Metric sizes with custom molded FFKM part options.

Features of FFKM Diaphragms, O-Rings, Gaskets, & Custom Parts


  • FFKM diaphragms provide exceptional chemical resistance to aggressive acids, solvents, fuels, and process media


  • FFKM perfluoroelastomer materials offer excellent high temperature stability, enabling use in extreme thermal environments




  • FFKM diaphragms maintain flexibility and fatigue resistance under repeated cycling and dynamic operation


  • Canrez® FFKM diaphragms exhibit low permeability, reducing gas or fluid migration through the material



  • FFKM O-rings, gaskets, and custom parts can be integrated alongside diaphragms for complete sealing system solutions

Limitations of FFKM Diaphragms, O-Rings, Gaskets, & Custom Parts

  • FFKM diaphragms have a higher upfront cost compared to standard elastomers, though lifecycle performance often justifies the investment


  • Composite and over molded diaphragm designs may require additional engineering and tooling development


  • Lead times for complex diaphragm assemblies can be longer, though Canrez® FFKM offers strong availability and responsive manufacturing options


  • FFKM materials can be more difficult to process, requiring specialized molding and bonding techniques


  • Dynamic applications may require careful design validation to ensure optimal flex life and performance

Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.

Industrial Usage of FFKM Diaphragms

FFKM diaphragms, along with O-rings, gaskets, custom parts, and tubes, are widely used in industries where chemical resistance, temperature stability, and dynamic sealing performance are essential. Canrez® FFKM diaphragms provide long service life, reduced maintenance, and improved system reliability, making them a preferred solution in critical applications. Canyon Components partners with customers to design and manufacture diaphragm solutions tailored to specific operational requirements.


Have questions about FFKM diaphragm solutions? Canyon Components can help you design and source Canrez® FFKM diaphragms, O-rings, gaskets, custom parts, and tubes, including molded, composite, and over molded configurations tailored to your application.

Chemical Processing

Used in FFKM diaphragms for pumps, valves, and fluid control systems handling aggressive chemicals, ensuring long-term resistance to degradation

Semiconductor Industry

Applies FFKM diaphragms in high-purity fluid delivery systems and process equipment, where contamination control and chemical resistance are critical

Pharmaceutical & Bioprocessing

Utilizes FFKM diaphragms in precision fluid handling and control systems, where material integrity and cleanliness are essential

Oil & Gas Industry

Employs FFKM diaphragms in control valves and pressure regulation systems, where resistance to harsh chemicals and temperature extremes is required

Industrial Equipment & Fluid Control Systems

Integrates FFKM diaphragms into pumps, regulators, and metering systems, where durability and consistent performance under cycling conditions are critical

Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.

All Other FFKM Types Available

Canrez® FFKM O-Rings & Custom Parts
Canrez® FFKM O-Rings & Custom Parts

Canyon Components supplies Canrez® FFKM O-rings, equivalent to Kalrez®, Chemraz®, and Parker® O-rings, in AS568, JIS, and Metric sizes. These perfluoroelastomer O-rings provide exceptional chemical resistance, high-temperature stability, and long-term sealing performance for semiconductor, pharmaceutical, and chemical processing applications. Custom molded Canrez® parts available.

Kalrez® vs Canrez®: Comparing FFKM Sealing Solutions"
Kalrez® vs Canrez®: Comparing FFKM Sealing Solutions"

Compare Kalrez® vs Canrez® FFKM for O-rings, gaskets, and custom parts. Learn the differences in performance, availability, and cost to choose the best perfluoroelastomer for your application.

Kalrez FFKM O-Rings, Gaskets & Custom Parts
Kalrez FFKM O-Rings, Gaskets & Custom Parts

Canyon Components supplies genuine Kalrez® FFKM O-rings, gaskets, and custom molded parts with exceptional chemical resistance and high-temperature performance. Available in AS568, Metric, and custom sizes, with Canrez®, Chemraz®, and Parker® O-ring equivalents for semiconductor, pharmaceutical, aerospace, and chemical processing applications.

Parker Hannifin Parofluor FFKM O-Rings, Gaskets & Custom Parts
Parker Hannifin Parofluor FFKM O-Rings, Gaskets & Custom Parts

Canyon Components supplies genuine Parker Hannifin Parofluor FFKM materials for extreme chemical resistance and high temperature sealing. Compare Parofluor with Canrez® FFKM for O-rings, gaskets, and custom parts in demanding applications.

Chemraz FFKM O-Rings, Gaskets & Custom Parts
Chemraz FFKM O-Rings, Gaskets & Custom Parts

Canyon Components supplies Chemraz® FFKM O-rings engineered for the most demanding sealing applications. Known for extreme chemical resistance and high-temperature stability, Chemraz® O-rings provide reliable sealing in semiconductor, pharmaceutical, aerospace, and chemical processing environments. Alternatives include Kalrez®, Canrez®, and Parker® FFKM O-rings in AS568, Metric, and custom sizes.

Simriz® FFKM from Freudenberg: O-Rings, Gaskets, and Custom Parts
Simriz® FFKM from Freudenberg: O-Rings, Gaskets, and Custom Parts

Canyon Components is a distributor of Simriz® FFKM O-rings designed for extreme chemical resistance and high temperature applications. Compare Simriz® with Canrez® FFKM for O-rings, gaskets, and custom parts in demanding sealing environments.

Back to Elastomers Hub

Unlock Superior Performance with Canrez FFKM O-Rings - Explore High-Quality Sealing Solutions for Demanding Industrial Applications. Ensure High Chemical Resistance, Extreme Temperatures & Leak-Free Seals. Your Trusted Source for Canrez FFKM O-Rings.

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Viton Extreme ETP seals and O-rings from Canyon Components, offering superior chemical resistance and durability in extreme industrial environments.

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