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Products » Seals » Piston Seals

GROOVED

Grooved seals are bi-directional seals that are specially designed to deal with a wide range of sealing pressures.  This seal type features two different pressure sensitive energizers, and it is capable of handling a wide range of pressures, while still maintaining a good level of sealability.  The four-lobed ring at the top is the low pressure energizer of the PTFE seal.  At higher pressures this four-lobed ring is not as effective, and instead the O-Ring below is the energizer for the PTFE cap.  As an added bonus, the center groove on the PTFE piston ring cap acts as a reservoir for lubrication during operation.

Applications: Piston accumulators; medium duty hydraulic cylinders; low speed rotary; high pressure

Cap: Filled PTFE

Elastomer Energizers: Viton™ (FKM); Nitrile

Max Pressure: 5,000 psi

Temperature range: -65°F to +400°F

Max Velocity: 0.7 ft/sec

For more information about this type of Piston Seal visit here:

Grooved Seals

T-SEAL

T-Seal

RT Dygert stocks one of the world's largest inventories of O-Rings and seals. More

CAPPED T-SEAL

Capped T-Seal

RT Dygert stocks one of the world's largest inventories of O-Rings and seals. More

URETHANE CAP

Urethane Cap

Between the Capped T-Seals and the O-Ring loaded seal in terms of surface sealability. More

PTFE

PTFE

This low cost PTFE piston seal offers numerous different layout and material options for different applications. More

LOADED U-CUP

Loaded U-Cup

This is a single direction piston seal, meaning it can only seal if the pressure is from one direction. More

O-RING LOADED

O-Ring Loaded

This dual action piston seal is designed for applications where maximum sealability is required. More

ASYMMETRICAL UNLOADED U-CUP

Asymmetrical Unloaded U-Cup

The asymmetrical unloaded U-Cup is designed to have both a static and a dynamic side. More

GROOVED

Grooved

Grooved seals are bi-directional seals that are specially designed to deal with a wide range of sealing pressures. More

SYMMETRICAL U-CUP

Symmetrical U-Cup

This Symmetrical U-Cup can be used as either a piston or rod seal and accommodates a small gland space. More