U Spring Energized Seal

The storage life of spring energized seals filled with polytetrafluoroethylene and stainless steel is theoretically unlimited, and its service life is also longer than other forms of seals.

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How spring energized seals work

When the spring energized sealing ring is installed in the sealing groove, the spring is compressed, causing the lip of the jacket to press against the sealing groove, thereby forming a seal.

Due to the sealing effect of the sealing sleeve, it needs to be in contact with the surface of the groove, so it requires low friction coefficient, high strength, wear resistance, resistance to working media, and resistance to high and low temperatures in the working environment.

The metal spring provides pressure to the external sealing sleeve. Especially when the internal pressure is low, zero or even negative, springs are the only source of sealing pressure.

The advantages and working conditions of spring energized sealing

Like combination seals such as particle rings and three-dimensional seals, spring empowered seals fully utilize the superior performance of their component materials, making their overall performance far superior to any single material seal.

1DMH(1600mm) 1_20201126172544

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