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-300 Series - 3/16" CS

Teflon® Encapsulated Viton O-Rings

A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two components, a Teflon® jacket and an internal (core) energizer, which imparts memory to the seal. The encapsulated O-ring is intended to close off potential leak paths between mating surfaces in both static and dynamic applications.

Viton ® Core with FEP Jacket This choice gives the best possible sealing characteristics due to the very low compression set value of the specially formulated Viton® core. Unless there are extreme high or low temperature involved, Viton ® core should be the first choice.

Teflon FEP Encapsulation with Viton® Core: 300F/149C to -10F/-23C

Size not listed, special requirements or large quantities please click this link to Request a Price Quote.




Image Model+ Item Name Stock Price Quantity Discounts
-315 FEP with Viton® Fluoroelastomer Core TEV315

-315 FEP with Viton® Fluoroelastomer Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.73

Add:

-316 Teflon Encapsulated O-Ring Viton Core TEV316

-316 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.73

Add:

-317 Teflon Encapsulated O-Ring Viton Core TEV317

-317 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.73

Add:

-318 Teflon Encapsulated O-Ring Viton Core TEV318

-318 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.73

Add:

-319 Teflon Encapsulated O-Ring Viton Core TEV319

-319 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.73

Add:

-320 Teflon Encapsulated O-Ring Viton Core TEV320

-320 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-321 Teflon Encapsulated O-Ring Viton Core TEV321

-321 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-322 Teflon Encapsulated O-Ring Viton Core TEV322

-322 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-323 Teflon Encapsulated O-Ring Viton Core TEV323

-323 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-324 Teflon Encapsulated O-Ring Viton Core TEV324

-324 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
10
$8.93

Add:

-325 Teflon Encapsulated O-Ring Viton Core TEV325

-325 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$7.67

Add:

-326 Teflon Encapsulated O-Ring Viton Core TEV326

-326 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
9
$7.72

Add:

-327 Teflon Encapsulated O-Ring Viton Core TEV327

-327 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-328 Teflon Encapsulated O-Ring Viton Core TEV328

-328 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$8.93

Add:

-329 Teflon Encapsulated O-Ring Viton Core TEV329

-329 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
1
$8.93

Add:

-330 Teflon Encapsulated O-Ring Viton Core TEV330

-330 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$9.38

Add:

-331 Teflon Encapsulated O-Ring Viton Core TEV331

-331 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$9.38

Add:

-332 Teflon Encapsulated O-Ring Viton Core TEV332

-332 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$9.38

Add:

-333 Teflon Encapsulated O-Ring Viton Core TEV333

-333 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$9.38

Add:

-334 Teflon Encapsulated O-Ring Viton Core TEV334

-334 Teflon Encapsulated O-Ring Viton Core

Teflon® Encapsulated Viton O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two...
0
$10.31

Add:



What are the most common O-ring compounds?

We stock O-Rings in over 20 different compounds and durometers the following six are the standard rubber materials in a range of durometers (Shore A) hardness to satisfy practically any service condition:

Buna-N O-Rings / Nitrile O-Rings / NBR: Nitrile (Buna-N) is the most widely used elastomer due to its excellent resistance to petroleum products, operating temperature range (-40°F to +257°F) and one of the best performance-to-cost values. It's an ideal material for aerospace, automotive, propane and natural gas applications. Special Hydrogenated Nitrile (HNBR) compounds can improve resistance to direct ozone, sunlight, and weather exposure while increasing temperature range to +300°F.
AS-568 Buna-N O-Rings | Metric Buna-N O-Rings

Viton® O-Rings / FKM: Fluorocarbon (Viton®) exhibits exceptional resistance to chemicals, oils, temperature extremes (-13°F to +446°F), low compression set, low gas permeability and excellent aging characteristics. Applications include: aircraft engines, automotive fuel handling systems, and chemical processing industries. FKM is also suitable for high vacuum applications. It is not recommended for exposure to ketones, alkalis, and Skydrol® fluids. Custom compounds are available with improved chemical and low temperature resistance.
AS-568 Viton® O-Rings | Metric Viton® O-Rings

Ethylene-Propylene / EPDM O-Rings: EPDM has outstanding resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight (-40ºF to +275ºF); but it is not recommended for gasoline, petroleum oil and grease, and hydrocarbon environments. This popular rubber compound is usually the first choice for low torque drive belt applications.
AS-568 EPDM O-Rings | Metric EPDM O-Rings

Silicone O-Rings / VMQ: In the Silicone family, you will find compounds which are superior as static seals in extreme temperature conditions. Standard compounds handle operating temperatures -85º to +400ºF. Silicone compounds are popular in food and medical applications because they are very clean and do not impart odor or taste. Special Phenyl silicones can be used down to -148°F.
AS-568 Silicone O-Rings | Metric Silicone O-Rings

Neoprene® O-Rings / CR: Neoprene (-40º to +250ºF) is reasonably priced and features good resistance to petroleum oils, ozone, sunlight and oxygen aging, relatively low compression set, good resilience and outstanding physical toughness. It is the preferred sealing material for the refrigeration industry because of its resistance to ammonia and Freon®.
AS-568 Neoprene® O-Rings