Component mechanical seals consist of multiple parts including the rotor, rotor face, stationary face, springs, O-rings, gaskets and seal gland. Each of these components requires careful handling and skill during installation. As a result, component seals face considerable risk of assembly errors, including incorrect spring setting (resulting in improperly loaded faces), dirt or grease contamination on the seal faces, and damage to sealing components from mishandling. These errors can result in premature or immediate failure of the seal, which can lead to expensive consequences and serious safety issues.

　　Historically, one of the major limitations with component mechanical seals is that installation could be difficult and time-consuming. If site conditions were not ideal or users faced pressure to get equipment up and running as quickly as possible, the seal's performance could be further compromised.

　　To address these challenges, some component mechanical seals incorporate cartridge mechanical seal technology to improve seal face cooling through directed barrier fluid flow systems, hydraulically balanced seal face technology and "plug-in" designs used to improve performance and reliability.

　　Because it does not require setting, this plug-in design fills a gap between component mechanical seals and cartridge mechanical seals, reduces fitting time and ensures correct installation. This design takes on characteristics of cartridge mechanical seals while retaining all the benefits of component seals.

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