• 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...

• July 29. 2021

Piston seals for hydraulic cylinders are quite similar to rod seals, but they are attached to a piston that seals a bore or cylinder housing. These seals are specifically designed to prevent pressurized fluid from leaking down in between the piston and the bore, while the piston itself is pushed down the cylinder bore. The high-quality hydraulic piston seals from JST will keep the pistons in your ...

• August 23. 2022

With the development of industry, the requirements for sealing rings are increasing. Various new sealing rings have replaced some traditional ones. Among them, the spring PTFE sealing ring is widely used because of its good sealing effect and normal operation under certain adverse conditions. The spring PTFE sealing ring is composed of the spring covered with polytetrafluoroethylene. As shown in F...

• July 08. 2023

The medical device industry is facing evolving challenges in finding suitable sealing solutions for new and improved designs. We will focus on customizing spring energized PTFE seals as a potential solution to the sealing challenges in the medical industry. PTFE is a popular choice for spring energized seals used in medical applications for several reasons. One is that some grades of PTFE have bee...

• March 13. 2024

A needle valve seal is a component in needle valves, which are precision valves used to control the flow rate of liquids or gases in a system. The needle valve seal is responsible for preventing leakage through the valve and ensuring a tight seal. There are different types of seals used in needle valves, depending on the specific requirements of the application. Some common types of seals used in ...

• November 28. 2024

Are you looking for spring energized face seals? Spring Energized Face Seals are designed for applications with high pressures and temperatures, cryogenic fluids, extreme media and other service conditions which exceed the performance characteristics of O-rings and conventional elastomeric seals. Spring energized PTFE seals use one of three different types of springs to energize the jacket. W...