High quality rubber O-ring and gasket for sealing

A rubber O-ring and gasket must be selected for the geometry of the joint in which each is used. Custom material and dimensions allow the component to follow that interface. The seat should be inspected alongside the seal, particularly when replacement follows recurring leakage or visible damage.

Check the contact surfaces for deposits, scratches, or a feature that pinches the rubber during closure. An O-ring groove and a flat gasket face control their sections differently. Preserve the required profile rather than switching ring forms to hide a problem in the mating parts.

Choose the formulation for the actual medium, temperature, and cleaning process. Install cleanly without twisting or stretching the component beyond its intended fit. Use the assembly's specified closing arrangement. During subsequent maintenance, compare any recurring damage with the corresponding seat location. A matching replacement restores the designed interface; adding thickness or changing softness without assessing the joint can alter its closing geometry without resolving the underlying cause.

Material options

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

Hardness selection

Rubber: 30–90 Shore A. Select the grade with the joint retaining geometry defined, because a flat gasket and O-ring have different room for deformation.

Custom dimensions

An O-ring groove and a flat gasket face control their sections differently.

Fit & assembly

Check the contact surfaces for deposits, scratches, or a feature that pinches the rubber during closure.

Use & inspection

The seat should be inspected alongside the seal, particularly when replacement follows recurring leakage or visible damage.

Photos illustrate structure or material only. A rubber O-ring and gasket must be selected for the geometry of the joint in which each is used. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.