Spring Energized Seals

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What is a spring-energized seal?

Spring-energized seal typically consists of two basic components: the seal jacket and a corrosion resistant metal ring. When the seal is seated in the gland, the spring is under compression and it responds with constant force, pushing out the sealing lips and creating a gas tight seal against the sealing surface. The spring also provides resiliency to compensate for seal wear, gland misalignment or eccentricity. While spring force offers adequate force for sealing at low pressure, at high pressure the system pressure augments the spring force to provide tighter sealing.

Features of spring energized seals

Excellent dynamic and static sealing
Low friction: low coefficient of friction offers good wear resistance
High surface speed capability: up to 15 m/s
Wide temperature range: from -196 to 300 ℃
Almost universal chemical compatibility
Outstanding resistance to gap extrusion

Advantages of spring energized seals

The seal jacket of spring-energized seals is made from PTFE and other high-performance polymers. Spring-energized seals with a PTFE jacket are capable of operating over a wide temperature range from -196℃ to 300℃. They are virtually unlimited chemically inert, except for molten alkali metals, fluorine gas at high temperatures and Chlorine Trifluoride (CIF3). Spring force can meet the extremely demanding low friction requirements in dynamic applications, as well as the high load requirements needed for low-temperature sealing.

Our spring-energized seals can be used for high-pressure sealing systems, high-temperature sealing, low-temperature sealing, and more.

We provide customization options for materials, shapes, sizes, dynamic spring energized seals, static spring energized seals, and more, to meet the sealing needs of various mechanical devices.

We have adopted world-class high-precision sealing processing equipment, pure imported raw materials and strict quality management systems to rapidly produce precision sealing products of any shape (especially the special-shaped product), size, and material to meet customer needs.

As a professional manufacturer of spring seals, FJSEALS is capable to produce spring-energized seals in a wide range of sizes, from 5 mm to 2.6 m in diameter.

Spring-energized seals are available for seals to operate at temperatures as low as -196 ℃ and as high as 260 ℃.