• November 12. 2021

JST manufactures a variety of P seals. The standard P Seal is a one-piece molded seal utilizing molded-in anti-extrusion device. This design enhances assembly by eliminating the loose anti-extrusion devices used in other designs. P seal can be used to seal rough casing and tubing. The standard material is HNBR85 to 90 durometer, and the material should be suitable for PU or LU temperature rat...

• June 09. 2022

FS casing and tubing seals are uniquely designed sealing elements that provide excellent sealing in areas where high seal deflection is required. The design features of this seal allow the component to compensate for changes in piping, housing, or large diameter parts. The use of metal clamping springs provides extrusion resistance. The open coil has no initial tension during manufacturing, so the...

• 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...