Silicone

Silicone Endless Gasket

Seamless vulcanized endless silicone gaskets for large manhole covers & vessels.

Large-diameter endless O-rings and rectangular lip seals produced by precision hot-plate vulcanization of extruded silicone profiles. Creates a strong, seamless joint that eliminates leak-prone manual butt-gluing on site.

Silicone Endless Gasket — Silicone
Representative image · Silicone
Specifications

Technical profile

Manufacturing
Precision hot-plate vulcanization / corner moulding of extruded profiles
Joint strength
Vulcanized joint tensile strength > 90% of parent cord material
Size range
From 200 mm ID up to 5000+ mm diameter endless loops or frames
Profiles used
O-ring cord, square cord, lip seals, U-channels, custom profiles
Material grade
FDA compliant white, translucent, or red silicone (40–70 Shore A)
Temperature
-60 °C to +230 °C continuous service

Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.

Key benefits

Why this product

  • Eliminates hard, brittle glue spots and leak paths common in cold-glued site gaskets
  • Economical solution for ultra-large diameter vessel domes and filter press plates
  • Allows custom rectangular and multi-angle picture frame seals without expensive giant moulds
  • Withstands heavy mechanical clamping loads without joint parting or separation
Applications

Typical industries

FoodPharmaChemicalBreweries

Related categories

Need this silicone endless gasket for your line?

Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.