ANGA : Uszczelnienia Mechaniczne Sp. z o.o.
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Below we present a set of basic concepts, expressions and definitions within the scope of face mechanical seal engineering. The dictionary can be browsed according to the first letters or using the list of entries.
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Balanced seal

Design solution of a mechanical seal where the hydraulic pressure effect in the seal chamber, in relation to the forces closing (pressing) the seal sliding ring faces, is modified through the seal construction. The seal balancing factor “k” is less than one.

Barrier liquid

Fluid which enters the interior of the gland box into the space between double face mechanical seals to fully separate the pumped liquid from the environment. Barrier liquid pressure is higher than the pressure of the sealed medium (normally by ~ 0.1MPa).

Buffer liquid

Fluid used as a lubricating or buffer liquid between double face mechanical seals. In this case the liquid is always under pressure lower then the pressure of the pumped liquid.