TG4 Seal Solution

Aug 22, 2026

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Triple-Lip Oil Seal Solution for Harsh Industrial Environments

Traditional double-lip oil seals may experience premature leakage when exposed to dust, vibration, intermittent operation, and long service cycles.

DEDE TG4 Oil Seal features an advanced three-lip design consisting of a primary sealing lip, an auxiliary lip, and a dust lip. The auxiliary lip creates a secondary sealing barrier that shares sealing pressure and continues protecting against leakage even when the primary lip begins to wear.

Two independent lubrication chambers store lubricating oil and grease, helping maintain a stable lubrication film during equipment start-stop cycles. This design is particularly effective for gearboxes, motors, agricultural machinery, and construction equipment operating in dusty environments.

Solved Problems

Oil leakage caused by lip wear

Dry-running during frequent start-stop cycles

Dust contamination

Premature seal failure

Reduced gearbox reliability

Recommended Applications

Industrial Gearboxes

Agricultural Machinery

Construction Equipment

Electric Motors

Pumps and Reducers

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