Dynamic Seal 1-18862 Abrasive Water Jet Cutter Parts Supplier

The Type 1-18862 dynamic seal is a critical sealing component in Waterjet Booster Pump systems. Its primary function is to provide a reliable seal between moving parts such as the plunger and cylinder, effectively preventing high-pressure water leakage while ensuring the system maintains stable ultra-high-pressure operation.
Unlike static seals, dynamic seals must operate under continuous reciprocating motion, extremely high pressure, and constant friction; for this reason, they are among the most critical components for protecting the booster pump and ensuring efficient cutting performance.
High-quality dynamic seals help improve sealing reliability, reduce pressure loss, and extend the service life of related pump components.

Is the Type 1-18862 dynamic seal a wear part?

Yes—the Type 1-18862 dynamic seal is a typical major wear part.
Since this component must operate under severe conditions involving extremely high pressure, continuous motion, friction, and direct sealing contact, it naturally wears out faster than many other parts in the system. Over time, it may harden, crack, lose elasticity, or even fail.
Failure to replace it in a timely manner may lead to leaks, pressure fluctuations, seal failure, or even severe damage to the entire high-pressure pump system.

Therefore, we strongly recommend that users inspect this component regularly and replace it according to a scheduled maintenance plan.

Please contact our sales team if you have any inquiries!