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  • What type of PTFE seals rre you looking for?
    • July 19. 2021

    PTFE (Polytetrafluoroethylene) material is widely used in hydraulic and pneumatic seals. PTFE gets high melting point in excess of 300℃, has good resistance to ageing, as well as low coefficient of friction. PTFE seals are used to enhance friction capabilities, withstand high pressure applications, and extend seal life in applications outside the parameters of elastomeric seal use. We offer a rang...

  • How to choose spring energized seals materials?
    • July 16. 2021

    JST's Spring Energized Seals, also called Lip Seals, are normally comprised of a machined polymer jacket and a spring energizer. They are available for rod, piston, and rotary applications, and can be manufactured in a variety of polymer materials depending on each application requirement. Our seals can be made of different PTFE materials, from Virgin PTFE or PTFE with fillers of di...

  • Why Are Hydraulic Seals Important?
    • July 08. 2021

    Hydraulic seals, also called hydraulic cylinder seals or shaft seals, are parts used to keep fluids from escaping from cylinders, at the same time preventing contaminants from entering into cylinders. They are critical parts in many types of machinery since they help create a method for fluid power to be converted into linear motion. These seals need to be designed and produced to withstand high p...

  • Why FEA is important for valve stem packing seal?
    • June 29. 2021

    Finite Element Analysis (FEA) is extremely important in critical seal design. JST conducted PR2 tests as per API6A, as well as FEA to its FS seal, S seal, valve stem packing seal, valve face seal. So why FEA is important and necessary? FEA capabilities make possible: 1. Seal failure prediction from cracks, leaks, or deformation, allowing a better-designed product or reverse-engineering of existing...

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