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Square Cut

What is a TetraSeal®?

TetraSeal is a circular lathe-cut seal with a square cross-section. The TetraSeal is engineered to be a direct replacement for standard O-Rings in most static and some dynamic applications. TetraSeals are available in a wide variety of elastomeric compounds.

TetraSeals have gained widespread acceptance and are used extensively in many industries, including automotive, off-road, diesel engines, medical and numerous industrial applications. The TetraSeal has filled the need for high quality, economical, static seals.

Size Ranges

Standard TetraSeals are manufactured by TechSeal in sizes from 3/16” up to 18” on the inside diameter with standard cross-sections from .066” to .265”.

Dimensioning

When selecting a standard TetraSeals to replace a standard size O-ring, simply choose the appropriate AS-568A related TS dash number shown in the charts.

Finish

TechSeal’s manufacturing process provides TetraSeal that are completely homogeneous, without parting-line indentations, ragged flash extensions or backrind. There are no joints, laminations or voids.

Four Basic Applications

Square cut O-rings and gaskets are circular lathe cut seals with square cross section. The square cut gaskets and o-rings are perfect replacement for standard O-Rings in most static and some dynamic applications. Darcoid Nor-Cal Seal is the exclusive manufacturer of square cut o-rings and gaskets. These square cut gaskets and o-rings come as TetraSeals from Darcoid Nor-Cal Seals and are available in a wide variety of elastomeric compounds. These square cut o-rings and gaskets from Darcoid Nor-Cal Seal have gained a widespread acceptance and are used extensively in many industries, including automotive, off-road, diesel engines, medical and numerous industrial applications.

The product extensively from the house of Darcoid Nor-Cal Seal suits perfectly the need for high quality, economical, static seals used in industries like automotive, medical, and many other engineering applications. Darcoid Nor-Cal Seal has on offer a wide range of sizes in regard to square cut o-rings and gaskets. Standard TetraSeals, manufactured by Darcoid range in sizes from 3/16” up to 18” on the inside diameter with standard cross-sections from .066” to .265”. In addition to the typical square or rectangular cross-sections, a number of special cross-sectional configurations are available within the standard size range. The square cut o-rings and gaskets also come in various dimensions. It is always recommended to choose an appropriate AS-568A related TS dash number that is shown in the charts, when you go on to select a standard TetraSeal to replace a standard size o-ring. Darcoid Nor-Cal Seal has on offer perfectly manufactured square cut o-rings and gaskets.

The process of manufacturing these square cut o-rings and gaskets is excellent, so as to render absolutely homogeneous products. A square cut o-ring and gasket manufactured by Darcoid Nor-Cal Seal, TetraSeal is completely homogeneous, without any parting-line indentations. A TetraSeal from the house of Darcoid Nor-Cal Seal does not have any ragged flash extensions or backrind. There are no joints, laminations or void in this exclusive product from the house of Darcoid Nor-Cal Seal. Darcoid Nor-Cal Seal uses state of the art grinding equipment to finish outer surfaces to close tolerances. Darcoid Nor-Cal Seal's exclusive product, TetraSeal, square lathe cut o-rings and gaskets is known to be suitable for high speed, precision and large volume producing machinery and manufacturing units.

Image of pile of white rubber  seal rings with square profile

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