New carbon floating ring seals from EagleBurgmann

Germany-based EagleBurgmann Espey has introduced the WD200/500 series of carbon floating ring seals for nearly all machine types with a rotating shaft.

The seal type is used in industries such as chemical, metal, cement, and food industries (with FDA certificate), power station technology, and mechanical and plant engineering.

It typically seals all kinds of gases, flammable (Atex), acidic, toxic, vaporous, liquid mist, oil mist, creeping oil, or water.

The WD200/500 is user-friendly due to its divided housing and segmented seal rings.

Seal assembly or seal ring replacement occurs without having to first dismantle machine parts, such as the motor or gears.

The Espey WD200 is fitted on the process or product side, and the seal ring features a gap to the shaft that enables a defined buffer gas flow into the process compartment, which prevents process gas from escaping into the atmosphere.

The Espey WD500 seal ring type is fitted to the atmosphere side.

The seal rings with overlapping mortised joints slide on the shaft and are self-adjusting, which reduces the radial gap to the shaft.

The volume of leakage as well as the consumed buffer gas to the outside is extremely low.

The seal components are not mounted on the shaft which helps prevent additional shaft vibrations.

A short axial installation length provides potential savings in machinery design while also preventing vibrations.

The seal housing can be executed with diverse connection bores for, among others, the feeding of buffer gas, the injection of a flushing medium as well as for the selective removal of residual gas and condensate to prevent leakages to the environment.

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