Oil Seals

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Oil Seals

Flextron is recognised as the creator and exporter of nearly all the specifications of Moulded Rubber Products appropriate to be used in the Automotive and Non-Automotive industries.

Rubber Components like Oil Seals, O Rings, Gaskets, Bushes, Rubber to Metal Bonded Parts, Packaging Sets, Cloth Seals, etc are constantly developed and supplied as per consumer requirements.

Oil seals are used to keep chemicals apart from lubricants such as oil/fat or water away to keep spinning shafts or bearings in proper working condition. Rotary shaft Seals are among the most commonly used seals for sealing lubricating oil, water or grease in different applications.


The Uses of Oil Seals

Oil seals are used for essential applications in the oil, gas and petrochemical sectors. They are created to avoid leaks from the sealing lip and rotary shaft by forming a thin layer of oil between them. Oil seals could be developed using well-known sealing materials, involving NBR, EPDM, PolyTetraFluoroEthylene (PTFE), Silicone,and fluoroelastomer.

They are generally utilised for the following purposes:

  • Submerged water pumps & generators
  • Gearbox & Motors
  • Transmission of electricity
  • Electrical turbines
  • Fans
  • Industrial Pump
  • Compressors
  • Refineries of crude
  • Off-highway Jobs

What Are The Types Of Oil Seals?

TYPE FSS TYPE DESCRIPTION
S Rubber on outer diameter with a carbon steel insert & stainles steel spring.
SG     Ribbed outer rubber surface,with this system the thermal expansion of the housing is absorbed,This is used in automotive application
ST Oil seal with additional dust lip to prevent damage of sealing lip and to avoid the ingress of dust,dirt,water etc Into the system.
SGT Identical application as type ST, but the outside rubber surface has a ribbed design to absorb thermal expansion of the housing.
S-DUO S type with two sealing lips, used for sealing two seperate media.
When the requested S-DUO type is not available, two S-types can be filled back to back
SM Metal cased standard oil seal with vulcanised sealing lips. This type is frequently replaced by type S.
SMT Similar to the SM but with additional dust lip. Application are the same as type SGT , when the requested type is not available.

Why Should You Choose Flextron?

  • Frictionless lip design
  • Extremely easy assembly
  • Non-corrosive spring
  • Energy savings
  • Knife-edge friction for optimal sealing
  • Gentle in design & hard to seal
  • Will not cut off the shaft or the spacer
  • Strong output against sand, dirt and other substances

Frequently Asked Questions

A few of the most regularly utilised materials used for oil seals are nitrile, high saturation nitrile, EPDM, Viton®, FEP, silicone and polyacrylate.

Lesser than 20% of seals and gaskets have ever achieved their planned "operating life" in any given application. Of the 80% that is replaced due to routine repairs, poor performance or loss, 40% can be traced to insufficient lubrication. With a constant increase in the cost of raw materials, it is important that businesses grease their oil seals to extend the life of seals and associated mechanical goods.

The advantage of greasing or oiling your oil sea is that it can make it much easier to "stick" the gasket in position and in some situations, seal the microstructure in the metal to gasket and support sealing.

Popular oil seals function by forming a thin layer of oil between both the rubber sealing lip and the shaft, which allows the oil to raise the sealing lip out of the shaft. This thin layer of oil provides a shield that prevents oil from escaping through the sealing lip.

Oil seals are being used to secure shafts and bearings from the soil and foreign matter ingress and oil or grease seepage. The oil seal usually consists of an outer circular metal portion and an inner rigid part, which is essentially sealed and bound to the metal part by chemical adhesives.


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