Fluid Handling Solutions
PTFE gaskets, diaphragms, and bellows engineered for the most demanding applications
For more than 30 years, Evantic’s Texolon™ PTFE fluid handling products have set the standard for high-performance sealing in high-stakes industries. Engineered for exceptional chemical resistance, temperature stability, and long-term reliability, Texolon solutions help ensure consistent performance in even the most demanding environments.
From gaskets and diaphragms to bellows and custom sealing components, Evantic delivers proven materials and precision-engineered products designed to keep critical operations running smoothly.
Scroll to explore full range of Texolon™ fluid handling products.
Why Choose Texolon™ PTFE Fluid Handling Solutions?
Outstanding chemical resistance
Withstands a broad range of aggressive chemicals.
Wide temperature capability
Performs reliably from cryogenic conditions up to 500°F (260°C).
Exceptional purity
Ideal for ultrapure fluid handling applications.
Dimensional stability
Maintains integrity and reduces risk of failure over time.
Low permeability
Provides long-term sealing performance for gases and liquids.
FDA and USP Class V compliant
Affirms suitability for use in food & beverage and pharmaceutical industries.
Custom PTFE Solutions
Texolon™ PTFE products can be customized for your application requirements. Every component is produced with exacting detail, from engineering and design support to precision CNC machining and proprietary surface treatments. Our team develops tailored materials and complex components that enhance performance, optimize durability, and withstand extreme conditions.
Find the Right Sealing Solution
Connect with our team to discuss your specific needs.
Texolon™ Fluid Sealing Solutions Guide
Download the most comprehensive resource for the full Texolon™ line of PTFE gaskets, diaphragms, and bellows. Explore features, design configurations, specification charts, and more.
Media Compatibility
Texolon™ PTFE gaskets handle a wide range of liquids and gases. Click to view the full list.
Click to view the full list.
- Caustic acids
- Solvents
- Hydrocarbons
- Chlorine
- Steam & acid transfer
- Black liquor and molasses
- Bromination
- Air actuation
Texolon™ Chemical-Resistant, Compression-Molded Gaskets
Texolon™ PTFE compression-molded gaskets combine exceptional sealing performance with chemical resistance to deliver reliable protection in aggressive environments.
Key Benefits of Texolon PTFE Gaskets
Material Advantages:
- Exceptional chemical resistance
- Wide temperature tolerance
- Low permeability
- FDA food-grade compatibility
Gasket-Specific Advantages:
- Excellent sealing performance
- Reduced creep
- Non-stick surface
- Durable and long-lasting
Identification on Every Gasket
Ensures complete traceability and quality assurance.
Texolon manufacturer identifier
UPG product identifier
Gasket size and pressure classification
Governing standard (e.g., ASME)
Texolon™ PTFE Skived Gasket Sheets
Texolon® premium skived virgin PTFE sheets provide superior mechanical and electrical properties compared to standard grades. These properties can be further enhanced with engineered, modified PTFE resins. Etched surfaces are optional on one or both sides to improve bonding with rubber, metal, or plastics.
| Material | |
| Premium-grade, high-performance PTFE using virgin or modified base resins, with raw filler materials that meet ASTM D4894. | |
| Specifications | |
| Standard thickness: | 0.0010” (0.025 mm) to .375” (9.525 mm) |
| Standard width: | Up to 60” (157.48 cm) |
PTFE Gasket Sheet Compounds Available
Click to view the full list of available grades and material types.
| Grade |
| PTFE Unfilled Gasket Material (100% Virgin PTFE) |
| PTFE Gasket Material filled with Glass Microspheres (5% to 30%) |
| PTFE Gasket Material filled with Carbon Fiber (10% to 35%) |
| PTFE Gasket Material filled with Graphite (5% to 20%) |
| PTFE Gasket Material filled with Bronze (5% to 25%) |
| PTFE Gasket Material filled with Stainless Steel (5% to 20%) |
| Expanded 100% Virgin PTFE Materials |
| FDA Approved Materials |
Carbon-filled PTFE gasket material available for hydrogen fluoride applications in chemical processing.
Texolon™ Pipe Flange Gaskets
(Stainless Steel PTFE Encapsulated)
These gaskets feature a perforated 304 stainless-steel core fully encapsulated in PTFE for reliable sealing on GLS, FRP, and steel flanges in high-pressure, corrosive environments. Our proprietary compression molding and oven-sintering process stabilizes the seal face, enhancing cold flow and blowout resistance.
Flange Compatibility & Standards
- Offered as full-face and ring-type gaskets
- ANSI Pressure Class 150LB and 300LB flanges
- ASME B16.5 compliant
Key Advantages of Texolon™ Pipe Flange Gaskets
- 100% void-free virgin or modified PTFE
- Non-porous, leak-free, and bubble-tight
- Zero corrosion rate
- No retorquing required after installation
- 50% reduction in creep and cold flow
- Blowout-proof metal insert design
- Over one-third less stud loss than standard PTFE gaskets
| Specifications | |
| Standard thickness: | 0.093” (1.57 mm) to 0.125” (3.175 mm) |
| Standard O.D. range: | 1/2” (1.27 cm) to 52” (132.08 cm) |
| Operating temperature range: | -400°F (-240°C) to +500°F (260°C) |
| Operating pressure: | Up to 2,510 psi (17.3 MPa) |
Texolon™ PTFE Blocking Paddle Gaskets
(Static-Dissipative)
Texolon™ static-dissipative PTFE molded fluid blockers feature 304 stainless-steel encapsulated gaskets that dissipate static through a paddle handle extending 2″ above the flange. Pre-drilled for grounding hardware, the paddles self-seat easily, eliminating the need for a separate gasket.
Pipe Compatibility & Standards
- ANSI Flange Pressure Class 150 LB
- ASME B16.21 compliant
Specially Designed for In-Line Fluid Blocking
- Blowout protection
- Operating temperature: -400°F (-240°C) to +500°F (260°C)
- Chemically inert and resistant to solvents, caustics, and sulfates
- Custom sizes available
| Specifications | ||
| Fluid pipeline blocker sizes | Size | I.D. x O.D. |
| Standard ring size range: | 0.75” (1.9 cm) | 0.687” x 2.62” (1.74 cm x 6.65 cm) |
| 1.75” (4.44 cm) | 1.687” x 4.125” (4.28 cm x 10.47 cm) | |
| 2.75” (6.98 cm) | 2.687” x 5.375” (6.82 cm x 13.65 cm) | |
| 3.75” (9.52 cm) | 3.687” x 6.875” (9.36 cm x 17.46 cm) | |
| 5.625” (14.28 cm) | 5.500” x 8.750” (13.97 cm x 22.22 cm) | |
| Standard fluid blocker O.D.: |
1.875”, 2.250”, 2.625”, 3.375”, 4.125”, 5.375”, and 6.875” (4.76 cm, 5.71 cm, 6.66 cm, 8.57 cm, 10.47 cm, 13.65 cm, and 17.46 cm) |
|
Texolon™ Custom PTFE Precision CNC-Machine Gaskets and Related Components
We offer flat gaskets, diaphragms, thrust washers, and other components, all available as high-volume, precision CNC-machined products.
Request a custom quote today to get the exact PTFE solution your application requires.
Texolon™ PTFE Envelope Gaskets
(Stainless Steel PTFE Encapsulated)
Texolon™ asbestos-free jacketed gaskets feature a PTFE envelope with a proprietary filler, available in standard ring and full-face configurations. Available with metallic rings and non-metallic inserts.
Design Configurations
Click a configuration view detailed specifications and features.
Slit Envelope
Ring gaskets with 0.020″ (.508 mm) thick leaves silt from the O.D. to approx. 3/64″ (1.19 mm) from the I.D. The jacket I.D. matches the nominal pipe size. Sizes range from 1″ to 12″ (2.54 cm to 30.48 cm) O.D.
Milled Envelope
Made from our PTFE cylinder stock and machined from the O.D. to within 3/64″ (1.19 mm) of the I.D., leaving a shield of approx. 0.020″ (.508 mm) on the top and bottom. The flat I.D. of the jacket sits flush with the pipe I.D., while the jacket O.D. nests within the bolt circle. Available in sizes up to 12″ (30.48 cm) O.D.
Double Jacket
Ideal for vacuum service applications, this design completely covers the filler material with two overlapping PTFE jackets for maximum protection.
Formed Shield
This design is required for diameters of 12” (30.48 cm) or more and for irregular configurations. It incorporates our patented butt weld construction for enhanced durability.
| Applications | |
| ANSI flanges or process equipment with equal bolting – 125 to 300 psi | |
| Nominal pipe sizes: | 1/2” to 12” (1.27 cm to 30.48 cm) |
| Gasket sizes (I.D. x O.D.): | 1/2” x 1-7/8” to 12” x 16-1/8” (1.27 cm x .317 cm to 30.48 cm x 40.32 cm) |
| Glass-lined steel nozzles or vessels | |
| Nominal pipe sizes: | 1” to 12” (2.54 cm to 30.48 cm) |
| Gasket sizes (I.D. x O.D. x thickness): | 1” x 2-1/2” x 3/16” to 12” x 15” x 5/16” (2.54 cm x 6.35 cm x .073 cm to 30.48 cm x 5.90 cm x .312 cm) |
Design & Engineering Details
Click to view additional details and features.
Full-Stroke & Reduced Stroke Designs
These chemical-resistant, high-performance diaphragms deliver excellent flex, suction lift, and superior flow rates, ensuring reliable performance in aggressive chemical applications.
Durability Tested – 12 Million Cycles
Meets and surpasses the 12 million flexural cycle test for standard PFI™ PTFE diaphragms, demonstrating exceptional long-term reliability.
Pump Output Compatibility
Texolon PTFE diaphragms fit pump output sizes ranging from 1/2” to 3”, ensuring optimal performance across a wide range of applications.
Proprietary Sintering & Convoluting
Our proprietary PTFE sintering and convoluting process uses calibrated ovens with precise temperature control cycles to deliver long-lasting durability.
Optional Stamp Contour Shape
- Enhances flow performance
- Supports specialized pump designs and system integration
- Low resistive force for efficient operation
- Multi-layered design for high-pressure strength
Texolon™ PFI PTFE Diaphragms
(Compression Molded & Chemical Resistant)
Built for demanding pump and valve applications, skived PFI PTFE diaphragms provide the flexibility, durability, and precision needed to maintain control under pressure. Through a combination of compression molding and machining, our diaphragms are engineered for long-lasting reliability and reduced downtime.
Each diaphragm is crafted from a custom blank, machined from compression-molded virgin PTFE rods, then thermally molded in matched die sets and trimmed to meet your exact specifications.
Key Benefits of Texolon PTFE Gaskets
Material Advantages:
- Exceptional chemical resistance
- High-temperature tolerance
- Low extractables for exceptional purity
- FDA and USP Class VI compliant
Diaphragm-Specific Advantages:
- Superior sealing performance
- Flexibility and conformability
- Vibration and shock absorption
- Self-lubricating, low-friction surface
- Precision-engineered for reliability
Exceptional Features
- Flat, convoluted, and dished diaphragm shapes for versatile applications
- One-piece construction design for structural integrity and reliability
- Proven to have longer service life over standard PTFE
| Material | |
| 100% virgin PTFE or modified PTFE – Resin grades available (7A and M12) | |
| Specifications | |
| Standard O.D. ranges: | 1” to 16” (2.54 cm to 40.64) |
| Standard thickness: | 0.079” to 0.28” (2 mm to 7 mm) |
| Operating temperature: | -80°F (-112°C) to +500°F (260°C) |
| Pressure rating: | Up to 1,000 psi (6.89 MPa) |
Applications
- Metering Devices
- Chemical processing – Equipment & Reactors
- Food & Beverage Filling lines
- Pumps & Valves
- Lab Instruments & Equipment
- Fuel Systems
| Material | |
| 100% virgin PTFE or modified PTFE | |
| Specifications | |
| Standard O.D. ranges: | 2” to 26” (5.08 cm to 66.04 cm) |
| Standard lengths: | 3” to 24” (7.62 cm to 60.96 cm) |
| Standard convolutions: | 2 to 10 |
| Working pressure: | Full vacuum up to high pressure (10 Kg/cm2) |
Texolon™ PFI Bellows
(Compression Molded & Chemical Resistant)
PFI PTFE bellows are fully CNC machined from molded tube (not ram extruded) using our proprietary molding processes. This produces components with exceptional chemical resistance, enhanced flexibility, superior strength, and a longer fatigue life.
Key Benefits of PFI PTFE Bellows
- Best-in-class cycle times and burst pressures
- FDA compliant and suitable for sterilization
- Operating temperature range from -32°F to +400°F (-25.6°C to 204°C)
Custom PTFE Bellows
Tailored to perfection, built to last.
Design Configurations
- Type V
- In-Parallel
- Stepped Wall
Multiple configurations are available to meet your application requirements.
Tailored Performance
We can optimize these features to boost durability and performance:
- Compressibility
- Flexibility
- Stiffness
- Travel
Chemiseal™ Plastic Manifold Specifications
| Specifications | |
| Standard outlets: | 2 to 12 |
| Standard I/O sizes: | 1/2″ to 1″ (1.27 cm to 2.54 cm) |
| Standard lengths: | Up to 12″ (30.48 cm) |
| W/H: | 1″ to 2″ (2.54 cm to 5.08 cm) |
Chemiseal™ Plastic Manifold Solutions
Designed for challenging applications, Chemiseal® manifolds are custom-engineered and precision CNC machined from a variety of high-performance plastics. They are ideal for:
- Fluid and gas distribution systems
- Industrial fluidics
- Laboratory and instrumentation
Optional: Optically clear plastic grades available, offering high UV transmission and low outgassing.
Seal Your Success with Evantic.
Our expert team is ready to collaborate. Let’s create the PTFE solution your project deserves.
Contact us today!
Resources
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FAQs
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Literature
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Data Sheets
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Technology Reports
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