• April 08. 2022

Guangzhou JST Seals produces ID face seal and OD face seal for FLS valve from size 1 13/16 to 7-1/16 inch and for pressure from 2000Psi to 20,000Psi. JST provides ID face seals and OD face seals with two different materials for FLS and FLS-R valves. A common option is virgin peek spring powered by a stainless-steel spring. Another option is glass moly filled PTFE with stainless steel springs, whic...

• September 08. 2025

ID/OD Face Seals for gate valves are spring-loaded, pressure-energized lip seal that improve gate and seat service life. It is an end face mechanical seal with both rigid and flexible elements, which gives consistent contact at the sealing interface. ID face seals and OD face seal are combined used for valves. JST ID/OD face seal is spring loaded with a pressure energized lip seal. It is...

• November 06. 2025

When standard seals fail under extreme pressure, temperature fluctuations, or corrosive chemicals, the search for a reliable solution begins. Among the high-performance options, Spring Energized ID Face Seals stand out for their unique design and robust performance. But what exactly are they, and what makes them so effective in the most demanding applications?   Understanding the Spring ...