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Contact SupplierThe sealing principle of X-rings / quad rings largely corresponds to that of O-rings, but they have a double sealing action and are thus also called four-lobed seals. X-rings automatically act as double sealing elements:
Diametral compression in a rectangular groove
Sealing through system pressure
Acts in both directions
Advantages: X-rings vs. O-rings
Lower diametral compression force required, resulting in less wear due to reduced friction
Better sealing performance through four sealing lips, which at the same time form a lubricant channel
Higher stability in dynamic applications, no twisting in the groove, less torsion