What are the types of oil seal?

Oil Seal Material Chart

• Aflas® (TFE/P)
• Carboxylated Nitrile (XNBR)
• Viton® (Fluoropolymer FKM)
• Fluorinated Ethylene – Propylene (FEP)
• Fluorosilicone (FVMQ)
• Hydrogenated Nitrile (HNBR) or Highly Saturated Nitrile (HSN)
• Nitrile (NBR) Buna-N & Low-Temp.
• Polyacrylate (ACM)

What is oil seal in gearbox?

A single transmission can contain dozens of sealing components, all with a specific purpose. The purpose of an oil seal is to prevent lubricant leaks by closing in the spaces between a transmission’s parts. The seals also prevent dirt and other contaminants from clogging up the unit.

How do you identify an oil seal?

Identifying the oil seal lip can be misinterpreted with a visual inspection alone. For or this reason, you should press along the inner diameter at the top of the seal, if you feel a ridge with a slight movement or give it is highly likely you have a double lipped oil seal.

What is the material of oil seals?

The most commonly used materials in oil seals are Buna (Nitrile) and Viton®. Buna (Nitrile) oil seals are the most widely used elastomer in sealing. Nitrile oil seals have great resistance to petroleum oils and fuels, mineral oils and greases, hydraulic fluids, water, steam, and alcohol.

What are the types and applications of oil seals?

Oil Seals (Rotary Seals) Oil seals (also known as rotary seals or shaft seals) cover a wide range of applications ranging from domestic equipments to automotive and power plant machinery, industrial pumps, gas and aircraft turbines and compressors.

What is seal oil?

Seal oil comes from the blubber (fat tissue) of many different species of seal (e.g., bearded seal, gray seal, harbour seal, harp seal). Examples of omega-3 fatty acids in seal oil include eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and docosapentaenoic acid (DPA).

Which polymer is used in making oil seals?

Buna-N
Polytetrafluoroethylene is also called Teflon, which is chemically inert and resistant to attack by corrosive reagents. Its uses in the making of oil seals and gaskets and also used for non – stick surface coated utensils. Buna-N is resistant to the action of petrol, lubricating oil andorganic solvents.

What are three types of seals?

The most common seal types include the following:

• Balanced seals.
• Unbalanced seals.
• Pusher seals.
• Non-pusher seals.
• Conventional seals.
• Cartridge seals.

What are the different types of gearbox seals?

There are two general types of gearbox seals. The British, European and some of the Japanese use seals with a small classy looking flexible materiel (silicone or some such) edging them. The Americans are just metal edged and they jam thing in metal into metal. For all this the American seals lasts much longer.

What are the different types of oil seals?

TYPES OF OIL SEAL. 1 Double Lip Oil Seals. In this an auxiliary lip is provided along with the regular sealing lip. The additional dust lip protects the main sealing lip 2 Duplex Oil Seals. 3 Oil Seals without Spring. 4 Type A Oil Seals. 5 Type B Oil seals.

What is an oil seal and how does it work?

Oil Seals are also known as a Rotary Shaft Seal, shaft seal, lip seal, elastomeric lip seal or any variation of these. It is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. Generally, it has been developed as a means of protecting the bearings of rotating shafts.

What are high performance oil seals made of?

For these type of oil seals, our general purpose high performance oil seals can be employed. When the speed is increased up to 90 m/s, the lip will be produced using PTFE based compound to reduce heat generation. For high pressure applications, we offer a wide range of oil seal profile made using PTFE based compounds.