Types of Mechanical Seals

There are various types of mechanical seals, including contacting and non-contacting face seals. They both operate as a sealing system with a stationary component coupled with a matched axial rotating part.

Non-contacting, or lift-off, seals have unique grooves engineered into the seal rotor that create a pumping action that causes the rotor and seal nose to separate. This separation generates less friction and heat than contacting face seals and provides almost no leakage and a longer life for the seal.

Circumferential seals operate radially instead of axially between the shaft and seal. There are two types of circumferential seals: controlled gap and fractured-ring seals.

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Run time: 4:53min

Types of Mechanical Seals

Video Credit: Technetics Group

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