The commonly used oil seal forms are TC, SC, TB, SB, TA, SA. Many people are not particularly familiar
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with the two types of TF and SF oil seals. Let&#;s talk about the four types of TC/SC and TF/SF below. Oil seal.
First of all, these four types of oil seals belong to a type of skeleton oil seals. They all belong to the inner-wrapped
skeleton oil seals, and their movement methods are all rotary types.
1, TC type
TC type oil seal is the most commonly used oil seal form in modern industry. TC is an inner frame and outer
rubber double lip frame oil seal. In some places, it is also called a lip seal. T stands for double lip and C stands for
rubber coated. The main lip of the double-lip skeleton oil seal is used to prevent oil, and the secondary lip
is used to prevent dust.
2, SC type
SC type oil seal is a single-lip outer rubber skeleton oil seal. Compared with TC type, it lacks a dust-proof lip,
which is suitable for sealing in a dust-free environment.
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3, TF type
TF oil seal is not a particularly common type of oil seal in daily sealing equipment, because it belongs to
the rubber-covered iron shell type oil seal. Generally, the cost of this type of oil seal is much higher than that of
the TC type. It is more commonly used in corrosive environments. The oil seal carbon steel shell skeleton is not
resistant to corrosive environments, so it is necessary to cover all the oil seal iron shell skeleton with specific
corrosion-resistant rubber to protect the oil seal skeleton so that corrosion will not occur. Generally, TF type
oil seals They are all made of fluorine rubber and stainless steel springs, so that they can be used for a long time
in high temperature and corrosive environments.
4, SF type
The SF type is the same as the TF type oil seal, which is a rubber full-coated steel skeleton type oil seal.
The difference between SF and TF is that SF is a single-lip seal suitable for dust-free environment, while TF
is a double-lip seal, which is dustproof. Also oil-proof.
The TC Oil Seal is a low-pressure dual lip radial seal a with garter spring to provide protection from contaminants. The rubber covered OD improves the OD sealing ability. The internal face of the steel case is not fully rubber covered. The additional dust lip protects the primary sealing lip against dust and other contamination. This seal can be used in polluted environments. To maximize performance over the lifetime of the seal an adequate lubricant should be applied between the two sealing lips.
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