PTFE Gaskets Manufactured to Your Specification
PTFE gaskets are high-performance sealing components designed for applications involving aggressive chemicals, extreme temperatures and demanding operating environments. Manufactured from polytetrafluoroethylene (PTFE), these gaskets provide exceptional chemical resistance, low friction characteristics and reliable long-term sealing performance. Stephens Gaskets manufactures custom PTFE gaskets for OEMs, chemical processors, pharmaceutical companies, food manufacturers and industrial engineering businesses throughout the UK.
PTFE Gaskets Manufacturing Experts & Bespoke PTFE Gaskets Specialists
Call 0121 544 5808 Today
Bespoke Manufacturing
Instant Quote Service
Worldwide Delivery
Various Gauges/Thicknesses
Bespoke Manufacturing
Instant Quote Service
Worldwide Delivery
Various Gauges/Thicknesses
What Are PTFE Gaskets?
PTFE gaskets are sealing components manufactured from polytetrafluoroethylene, a specialist engineering material known for its outstanding resistance to chemicals and temperature extremes.
PTFE gaskets are commonly used to:
- Prevent fluid leakage
- Resist chemical attack
- Handle aggressive media
- Maintain sealing performance
- Reduce maintenance requirements
- Improve equipment reliability
Because PTFE is highly inert, it performs exceptionally well in environments where many traditional gasket materials fail.
Why Choose PTFE Gaskets?
PTFE offers several unique benefits.
Exceptional Chemical Resistance
PTFE is resistant to a vast range of chemicals including:
- Acids
- Alkalis
- Solvents
- Hydrocarbons
- Cleaning agents
- Processing chemicals
This makes PTFE one of the most chemically resistant gasket materials available.
Wide Temperature Range
PTFE performs across a broad temperature spectrum.
Typical operating temperatures range from:
- -200°C to +260°C
This makes PTFE suitable for both cryogenic and high-temperature applications.
Low Friction Properties
PTFE has one of the lowest coefficients of friction of any engineering material.
Benefits include:
- Reduced wear
- Easier assembly
- Lower maintenance
- Improved equipment performance
Non-Contaminating Material
PTFE is widely used where cleanliness is critical.
Applications include:
- Pharmaceutical production
- Food processing
- Laboratory equipment
- Medical systems
Types of PTFE Gaskets
Virgin PTFE Gaskets
Manufactured from pure PTFE.
Benefits include:
- Maximum chemical resistance
- Excellent purity
- Wide temperature capability
Applications include:
- Pharmaceutical equipment
- Food processing
- Chemical handling systems
Filled PTFE Gaskets
Filled PTFE contains additives that improve specific performance characteristics.
Common fillers include:
- Glass
- Carbon
- Graphite
- Bronze
Filled grades may offer:
- Improved wear resistance
- Better compressive strength
- Reduced creep
Expanded PTFE Gaskets
Expanded PTFE provides improved conformability.
Benefits include:
- Excellent sealing performance
- Enhanced flexibility
- Better sealing on uneven surfaces
Applications include:
- Large flanges
- Low bolt load assemblies
- Chemical processing equipment
PTFE Gasket Applications
Chemical Processing
PTFE is widely used throughout chemical manufacturing.
Applications include:
- Storage tanks
- Process vessels
- Pumps
- Valves
- Pipework systems
Pharmaceutical Industry
PTFE’s purity and chemical resistance make it suitable for pharmaceutical production environments.
Applications include:
- Processing systems
- Clean rooms
- Transfer systems
- Dosing equipment
Food and Beverage Manufacturing
PTFE is often specified for hygienic applications.
Uses include:
- Filling equipment
- Mixing systems
- Processing machinery
- Packaging lines
Industrial Engineering
Many engineering applications benefit from PTFE’s unique properties.
Applications include:
- Pumps
- Compressors
- Instrumentation
- Mechanical assemblies
- Fluid handling equipment
Water Treatment
PTFE gaskets are frequently used within water treatment systems because of their durability and chemical resistance.
PTFE vs Rubber Gaskets
A common question is whether PTFE or rubber is the better choice.
| Feature | PTFE | Rubber |
| Chemical Resistance | Excellent | Varies |
| Temperature Range | Excellent | Moderate |
| Flexibility | Moderate | Excellent |
| Compression Recovery | Moderate | Good |
| Cost | Higher | Lower |
| Best For | Aggressive chemicals and high temperatures | General-purpose sealing |
PTFE is usually selected where chemical resistance and temperature performance are the priorities.
PTFE vs Viton Gaskets
Both materials offer excellent performance, but for different reasons.
|
Feature |
PTFE |
Viton |
|
Chemical Resistance |
Excellent |
Excellent |
|
Flexibility |
Moderate |
Excellent |
|
Temperature Range |
Wider |
Very Good |
|
Friction |
Very Low |
Higher |
|
Best For |
Broad chemical compatibility |
Oils, fuels and hydrocarbons |
PTFE Gasket Temperature Guide
|
Operating Condition |
Typical PTFE Performance |
|
Cryogenic Applications |
Excellent |
|
Food Processing |
Excellent |
|
Chemical Processing |
Excellent |
|
High Temperature Systems |
Excellent |
|
Outdoor Applications |
Excellent |
PTFE remains one of the most versatile gasket materials available.
Industries Using PTFE Gaskets
Stephens Gaskets supplies PTFE gaskets to:
- Chemical processing companies
- Pharmaceutical manufacturers
- Food producers
- Water treatment operators
- Oil and gas businesses
- Engineering companies
- OEM manufacturers
- Process industries
Bespoke PTFE Gaskets Made in the UK
Stephens Gaskets manufactures PTFE gaskets to exact customer requirements.
Capabilities include:
- CNC cutting
- Die cutting
- Press cutting
- Prototype manufacture
- Batch production
- Reverse engineering
We can manufacture simple sealing rings through to complex bespoke gasket profiles.
Why Choose Stephens Gaskets?
Stephens Gaskets has over 70 years of experience manufacturing precision sealing solutions.
Customers choose us because we offer:
- UK manufacturing
- PTFE material expertise
- Bespoke gasket production
- Fast quotation turnaround
- Prototype and production capability
- Reverse engineering support
- Consistent quality standards
Related Products and Services
You may also be interested in:
- Viton Gaskets
- Nitrile Gaskets
- Silicone Gaskets
- PTFE Washers
- Gasket Material
- Custom Gaskets
- Chemical Resistant Gaskets
Worldwide Delivery
Fast turn around
High quality components
Technical support
Frequently Asked Questions
What are PTFE gaskets used for?
PTFE gaskets are used in chemical processing, pharmaceutical manufacturing, food production, water treatment and industrial engineering applications where chemical resistance is critical.
Are PTFE gaskets chemical resistant?
Yes. PTFE offers outstanding resistance to acids, alkalis, solvents, hydrocarbons and many aggressive chemicals.
What temperature can PTFE gaskets withstand?
PTFE gaskets typically operate between approximately -200°C and +260°C depending on the application and operating conditions.
What is the difference between virgin PTFE and filled PTFE?
Virgin PTFE offers maximum purity and chemical resistance. Filled PTFE contains additives that improve wear resistance, compressive strength and dimensional stability.
Are PTFE gaskets food safe?
Many PTFE materials are suitable for food processing applications because they are non-contaminating and chemically inert.
Can Stephens Gaskets manufacture custom PTFE gaskets?
Yes. Stephens Gaskets manufactures bespoke PTFE gaskets from drawings, CAD files, samples and customer specifications.
Do Stephens Gaskets manufacture PTFE gaskets in the UK?
Yes. Stephens Gaskets manufactures custom PTFE gaskets in the UK for engineering, pharmaceutical, chemical processing and industrial customers.
Request a PTFE Gasket Quote
Need a custom PTFE gasket manufactured to your specification?
Contact Stephens Gaskets today to discuss your requirements.
Prefer to talk it through?
Call: 0121 544 5808
Email: sales@stephensgaskets.co.uk
Website: https://www.stephensgaskets.co.uk/