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*Minimum order of $299 to use Sezzle
For use in dynamic reciprocating applications, a low-friction seal. An O-ring energizes the plastic cap and acts in a static environment, while a plastic cap provides a seal against the dynamic sealing face. The O-ring uses the system pressure to increase the sealing power. The lid also prevents the O-ring energizer from escaping when used in high-pressure circumstances. A low-friction substance, such as PTFE, is commonly used for the plastic cover. Liquid media can lubricate the dynamic sealing faces by moving between them through a capillary effect under low pressure. Because they allow a quantity of fluid to pass through the seal, cap seals are called wet seals.
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