Glossary for Seals, Gaskets, O-Rings, Orings, Rubber.
This is perhaps the most comprehensive glossary of seal, gasket, packing and molded rubber parts terms available on the internet.
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Labyrinth Seals - A non-contacting, rotary seal with a series of internal grooves to divert the flow and lubricating fluids in the direct of its source used on a shaft.
Lantern Rings - A spacer ring with grooves and port holes used in the stuuffing box of a pump or other rotating equipment utilizing braided packings, to allow an outside source of lubrication.
Lathe Cut Seals - A seal or gasket ring cut square on a lathe.
Lip Packing & Rings - Could be the description of a u-cup or of an oil seals. A seal with a lip design to provide sealing.
Lip Seals - Seal rings having lips to provide a flexible, dynamic sealing against a shaft.
Loaded Lip Seals - A hydraulic u-cup which has an o-ring or quad ring fitted into the u-shaped groove to assure good low pressure sealing on a reciprocating shaft.
Loaded U-Cups - Same as loaded lip seals.
Low Film - A thin film of oil on the shaft of a hydraulic cylinder.
Low temperature flexibility - The ability of a rubber product to be flexed, bent, or bowed at specified low temperature without loss of serviceability.