Teflex

Introducing: Teflex

Sealing can be difficult when you are dealing with extremely high temperatures and hostile chemicals. These types of applications prohibit the use of the regular rubber O-ring seals. Therefore, ERIKS introduced: Teflex.

What is a Teflex O-ring made of?

A Teflex O-ring has an elastomeric energising core (made from Viton® or Silicone) and a jacket of fluoropolymer (made from Teflon® FEP or PFA). ERIKS’ worldwide experience with thousands of applications ensures that Teflex is a the right choice.

Industries which use Teflex

It is hard to think of a market where Teflex O-rings are not being used. The following list is an overview of the industries in which Teflex is used:

• Food and drink processing
• Petrochemical refining
• Automotive industry
• Aerospace industry
• Pharmaceutical industry
• Cosmetics and perfumery
• Paint and dye manufacturing
  

4 different types of Teflex products

1. PFA Jacket on solid Silicone core
Preferred for higher temperature applications. Shares the same temperature service limits as the Silicone core.
Temperature range from: -60°C to +260°C / -76°F to +500°F.

2. PFA Jacket on solid Viton® core
PFA offers higher abrasion resistance to that of FEP.
Temperature range from: -20°C to +204°C / -4°F to +392°F.

3. FEP Jacket on solid Viton® core
The core, made of Viton, is designed to provide very low compression set results. This spreads up the memory of the FEP jacket.
Temperature range from: -20°C to +204°C / -20°F to +392°F.

4. FEP Jacket on solid Silicone core
A cheaper version of the FEP Jacket with the Viton® core.
Temperature range from: -60°C to +204°C / -76°F to +392°F.

When not to use Teflex

Over the last 10 years Teflex has proven to be a perfect sealing solution for typical applications. However, there are also applications where the use of Teflex is not recommended. These applications have the following characteristics:

• The housing design requires excessive stretch. Teflex is very difficult to stretch.    
• The media in contact with the O-Ring has an abrasive nature, e.g. sand and slurry.
• Dynamic use where high speeds and poor surface finishes are encountered

Contact us about Teflex

For more information about our Teflex products, please contact us through our contact form. You can also contact us by phone or e-mail. We suggest you to contact the ERIKS location near to you. You can find an overview of our locations and contact details here.