assortment of seals


JJISCO can supply custom designs to meet your specific size and shape requirements. These seals operate up to 1500ºC in corrosive, abrasive environments.

JJISCO is committed to developing new grades of seal materials that address the ever-changing needs of each industry. Our seal products are provided to aid in minimizing down time, and increasing production. JJISCO supplies various grades of seal material, more types of seal geometries than most in the industry.

  • Center Seals
  • Custom Seals
  • DIN Seals
  • Double Face Seals
  • O-Ring Seals
  • Static Seals

Axial designs: include seal faces in mechanical seals - ALL TYPES: Standard and Custom, steam joints and valves.

Radial designs: consist of multi-segmented rings to seal shafts, gas seals, control rings and regulating devices.

pic of seal

We welcome typical designs, we thrive on unique geometries. Small diameter capabilities to 0.25" [6mm], and large diameter up to 13.5" [300mm].

JJISCO seals offer superior material for your hardest applications:

  • State-of-the-art formulated AlphaLAST®111 grade sintered SiC for most requirements
  • Superior hardness and high strength
  • High abrasion and wear resistance
  • Extreme corrosion resistance
  • FDA CFR 21 approved
  • USP Class VI tested and approved

pic of seal

In mechanical face and all sealing applications, wear can occur due to diverse conditions, abrasive media, slurries, and shaft deflections. This may ultimately cause a complete failure of the seal. JJISCO SiC is an extremely hard and wear resistant material. Please contact us further for your specific application requirements.

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