About Cartridge Seals

A cartridge type mechanical seal is a pre-assembled package of seal components making installation much easier with fewer points for potential installation errors to occur. A cartridge seal will have the following elements: Gland, Sleeve, Seal faces (2 or 4), an energizing force source (single spring, multiple springs, metal bellows, or elastomer), and a lock collar to set it to the shaft.

Cartridge Seals


Why Cartridge Seals?

The assembly is "pre-set" so that no installed length calculations must be performed for determining where to set the seal. This pre-set is achieved by the use of "set tabs" that are removed once the seal is installed and the pump assembled.

Cartridge Seals
Cartridge Seals user manual

Cartridge seals are available in both single and Double configurations.
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