Flat Rubber Gaskets

Flat rubber gaskets are sheet-cut sealing shapes compressed between stationary flanges, covers or equipment faces. The elastomer conforms to surface irregularities and closes leakage paths, while thickness, hardness, reinforcement and bolt loading must suit the joint, fluid and amount of movement.

Key facts

Family: O-Rings & Static Seals
Common types: Full-face gasket, Ring gasket, Tank-cover gasket, Fabric-inserted gasket, Custom die-cut shape
Materials: NBR, EPDM, Neoprene, FKM (fluoroelastomer), Fabric-reinforced rubber
Used in: Water piping, Pump flanges, HVAC systems, Storage tanks, Industrial covers

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Types

Full-face gasket
Ring gasket
Tank-cover gasket
Fabric-inserted gasket
Custom die-cut shape

Materials

Applications

Water piping
Pump flanges
HVAC systems
Storage tanks
Industrial covers

What to send for a quote

inside and outside dimensions
thickness
bolt-hole pattern
rubber compound
fluid service

Questions about flat rubber gaskets

What should I send to identify flat rubber gaskets?

Send inside and outside dimensions, thickness, bolt-hole pattern, rubber compound, fluid service. Send a dimensioned flat pattern or flange standard and clarify whether bolt holes lie inside or outside the sealing area. A clear photograph, drawing or readable reference can resolve details that dimensions alone do not show.

How should I select flat rubber gaskets?

Choose compound, hardness and reinforcement from fluid, flange finish, bolt load, weathering and expected joint movement. Confirm the mating parts and operating environment before ordering, since an apparently similar size can use a different profile, material or internal arrangement.

Last updated: 2026-10-08