Cheap price with high quality waterproof rubber o-ring seals

Rubber o-ring seals can provide a continuous contact path in a joint exposed to water, provided the ring and surrounding groove are matched. The section needs the intended compression and support when the assembly closes. A ring that is simply tight around one component may still leave an unsuitable contact condition against the other mating surface.

Define the groove dimensions, pressure direction, and whether the joint moves during operation. Choose the compound for the actual water conditions, temperature, and any cleaning substances present. The complete joint should be assessed under its intended exposure rather than assigning water resistance from the ring alone.

Keep the groove clean and install without twisting the section. Protect the ring from threads and sharp edges along the assembly route. After closing, inspect for pinching where accessible and check the joint using the relevant operating procedure. During maintenance, examine the damage pattern before replacement; a cut or extruded edge may indicate a geometry problem that needs correction alongside the new seal.

Material options

Rubber. Custom formulation and color for the intended contact conditions.

Hardness selection

Rubber: 30–90 Shore A. Define the groove dimensions, pressure direction, and whether the joint moves during operation.

Custom dimensions

Rubber o-ring seals can provide a continuous contact path in a joint exposed to water, provided the ring and surrounding groove are matched.

Fit & assembly

The section needs the intended compression and support when the assembly closes.

Use & inspection

During maintenance, examine the damage pattern before replacement; a cut or extruded edge may indicate a geometry problem that needs correction alongside the new seal.

Photos illustrate structure or material only. Rubber o-ring seals can provide a continuous contact path in a joint exposed to water, provided the ring and surrounding groove are matched. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.