Meco introduces its newest shaft seal design: the outside face seal (OFS). These single-face seals were originally designed for high-temperature and high-speed applications where double-face seals can overheat and fail. OFS seals are ideal for the containment of vapors in vertical-shaft vessels and can operate without a purge or flush system. Meco earned its most recent patent for this design, which maintains constant seal face pressure as components wear. The OFS seal is particularly suited to top-entry agitator shafts, where long, cantilevered shafts can exhibit high runout and angular misalignment. The seal will permit significant axial shaft motion, making it ideal for applications where there is shaft float and thermal expansion. The OFS is available unsplit or fully-split, and in a wide variety of materials combinations for maximum compatibility with acids, bases and aromatic hydrocarbons.
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