• January 04. 2024

Oil well production is the most important stage in the lifespan of oil wells, which prepares oil or natural gas for final treatment by releasing hydrocarbons. Separation is usually carried out on the seabed, rather than on the platform of offshore oil wells. In addition to dealing with system pressures up to 1,380 bar (20,000 PSI) and temperatures exceeding 900C(1,650F) in flare stack controls, se...

• March 08. 2024

JST S seal is elastic sealing element composed of a high modulus elastomer and two integrated anti-extrusion springs which allows the seal to withstand large compression gaps. The S seal can be customized designed based on temperature, medium, and environment. Sealing materials utilized for wellheads which need to withstand pressures as high as 15 000 psi, and temperature from –29°C to +177°C (–20...

• May 23. 2024

JST’s FS Casing and Tubing Hanger Seal use high performance elastomer seal technology for arduous duties where there are large clearances between mating parts of wellhead and associated assemblies. The FS Seal design supports reduction in installation time, correct placement in the housing and simple installation. FS seals have been validated in accordance with API requirements for using on surfac...

• September 10. 2024

In the oil and gas industry, the risk and consequences of unplanned downtime are greatest in extreme environments. JST understands the demands you face every day and offers a range of fully tested and certified wellhead sealing products to reliably meet your business and technical challenges. You can trust our FS seals and S seals as well as our T seals and locked T seals to perform in the most ch...

• August 14. 2025

Hydraulic rod applications face relentless challenges: high-pressure spikes, side loads, abrasive contaminants, and temperature extremes. Traditional elastomeric seals often crack, extrude, or leak under these conditions—causing downtime and fluid loss. SPNS type hydraulic seals, are also call rod buffer step seals, static seals installed in glands or housings to prevent the leakage of fluid from ...