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teflon oil seals resistant for pneumatic industry DSH

teflon oil seals resistant for pneumatic industry DSH

Teflon oil seals resistant for pneumatic industry DSH

I type
Delivery Time
3-7 days
Standard product/Customized product
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Company Advantages
1. DSH teflon oil seals is outstanding for its unique design. It can maintain good medium resistance even in the case of high temperature
2. We are striving hard to provide our clients maximum level of satisfaction with our teflon oil seals . It exhibits improved wear performance and tear resistance
3. teflon oil seals are made by stable compositions which ensure the stability during the usage. It also offers stiffness and creep resistance

For this configuration, anti-rotation is achieved by using an O-Ring to create a frictional interface between the seal and bore. Although a metal cased lip seal has higher pressure and speed rating, an O-Ring OD lip seal is a good choice economically when application parameters permit. Lower use applications such as food processing equipment, pharmaceutical equipment and environmental shaft exclude can benefit from this design. For friction sensitive applications, a lip seal with O-Ring OD should be considered. In service, a lip seal will experience a short period of break-in, after which time the seal element will reach a steady state condition. This steady condition allows very low, very consistent friction equating to low power consumption and heat generation.

It has a different lip design compared to J type, can resist high pressure, apply in gas and abradability fluid.

Common Materials Used in this Product

  • The most popular fillers for products are graphite, fiberglass/molybdenum disulfide, carbon fiber and mineral.

Graphite Filled

  • Since graphite is often used as a lubricant, it does not significantly increase the coefficient of friction of PTFE when used as a filler. The low friction allows the compound to be used when both shaft speed and pressure are high. Graphite also is chemically inert which enables its use in corrosive medias.

Proprietary Low Wear PTFE

  • This proprietary filled PTFE offers low wear and friction properties, used in general applications where long life is required. Not recommended for applications with abrasive media.

Molybdenum Disulfide and Fiberglass Filled

  • Molybdenum disulfide increases the hardness of the seal surface while decreasing friction. It is normally used in small proportions combined with other fillers such as glass. MoS2 is also inert towards most chemicals.

Carbon Fiber Filled

  • Carbon fiber lowers creep, increases flex and compressive modulus and raises hardness. Coefficient of thermal expansion is lowered and thermal conductivity is higher for compounds of carbon fiber filled PTFE. Ideal for automotive applications in shock absorbers and water pumps.


Material descriptionFilled PTFE (such as MoS2/Glass fiber, Ekonol and so on), or Virgin PTFE is available, O ring maerial depends on the specific application.
Available ColorWhite, black,yellow, gold etc.
Material StrengthVirgin PTFE can meet the requirement of food grade approval. Type I oil seal has single lip, apply to high pressure till 5 bar. We can offer you different kinds of material which apply to your specific application. Customized sealing solution is available.
Speed≤20 m/s
Pressure≤5 bar
Mediumoil, grease.
Applied deviceApply in gas and abrasive fluid.

DSH-High-quality Ptfe Oil Seals | I Type - Ptfe Rotary Shaft Oil Seals

Company Features
1. Equipped with teflon gasket and teflon seal , DSH have won the trust of most customers. Guangdong DSH Seals Technology Co., Ltd has always set high demand on quality from material selection to package.
2. DSH successfully introduced imported technology in the production of teflon oil seals .
3. Guangdong DSH Seals Technology Co., Ltd is proud to own teflon ring seal technology. carbon teflon seals is the major impetuses for Guangdong DSH Seals Technology Co., Ltd's development. Contact!
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