Isomags seal efficiently in all lubrication conditions, and are currently the only isolator that achieves zero stray mist leakage in oil mist applications.Isomag’s design utilizes lapped flat faces that create a 100% positive seal leaving no leak path.circulated, splash) but are not efficient in others (e.g. Labyrinths only work well in certain lubrication conditions (e.g.Labyrinths are designed with an inherent leak path.Isomag’s average life cycle is 5-10+ years, which greatly increases the MTBR of your equipment.Isomag’s o-ring driven sealing face rotates with the shaft, causing zero wear on your equipment.Lip seals average life cycle is 3-6 months, leading to frequent downtime and less MTBR.Lip seals use equipment’s shaft as the primary sealing surface, causing wear to your host equipment.Unlike labyrinth isolators, Isomags perform reliably in all types of lubrication systems, including oil mist. Unlike lip seals, IsoMag bearing isolators do NOT damage your host equipment and can increase your Mean Time Between Repairs by 1000%. Isomag’s unique design utilizes lapped flat faces to create a 100% positive seal that is governed by magnetic energy. IsoMag Bearing Seals: Superior Performance Compared to Labyrinth Isolators and Lip Seals ![]() Technical proposal & onsite installation assistance.In house application engineering and size selection.Onsite data collection by TESCO Engineers.Retrofitting of bearing isolators with Isomag magnetic type bearing protector Handles low AND high speed applications As a consequence of these findings and in an effort to reduce the pressure-related alternating in-and-out flow of contaminated ambient air, conventional labyrinths are often replaced by rotating labyrinth seals, which are often called bearing isolators or bearing protectors, for short.Reduces heat generation and maximizes seal life.Prevents lubrication loss and eliminates contamination (solids, liquids and steam).Nickel-plated neodymium magnets resist corrosion.100% positive seal bearing protection with or without shaft rotation.IsoMag magnetic oil seals outperform both lip and labyrinth seals and offer a range of benefits. Isomag bearing isolators offer all metallic primary construction and are both ANSI, API 610 approved. Isomags are easy to install, are tolerant of misalignment and perform equally well in dry running or liquid lubricated environments. When the equipment is operating or on standby, there is no aspiration of air or liquid across the faces. Isomags hermetically seal the shaft in all low pressure centrifugal applications. This design technology, coupled with their unique face combination, sets a standard ahead of other bearing protection devices. However, now comes patented technology from IsoMag that provides a positive seal with exceptional operating life (100,000 hours) and virtually no heat added to the bearing temperature.Īs the pioneers in the use of magnetic energy to advance bearing isolator technology, IsoMag continues to be on the forefront of innovation to continuously extend rotating equipment meantime between repair (MTBR).įor more information on IsoMag bearing isolator technology click here.An Isomag is a sliding face bearing isolator where the closure means utilising magnetic force, rather than axial face lading by springs or bellows. Neither of these issues are factors for non-contacting bearing isolators. ![]() non-contacting has been with potential limits on operating life (wear of the seal faces) and heat generation due to the friction at the contacting seal faces. The concern about using contacting IsoMag bearing isolators vs. In areas of high airborne particulate matter or. Stand-by conditions – pumps and other rotating equipment When looking for options to boost reliability and minimize bearing failures, consider the seals that are in use. Oil mist systems – pumps, motors and other rotating equipment Vertical installations – gearboxes, motors, pumps, mixers, agitators, etc. However, the positive seal provided by the contacting IsoMag bearing isolator provides superior performance in additional services such as:įorced circulation – pumps and steam turbines The non-contacting bearing isolator is a labyrinth device that relies on close clearances between a stationary and rotating component.īoth technologies work well in applications where the equipment shaft is horizontal and the bearing lubrication method is a bearing sump where the lubrication is “splashed” within the bearing housing. The contacting IsoMag bearing isolator is a positive sealing device with the seal face closing force provided by magnetic energy. The fundamental difference between the two technologies is: The two basic types of bearing isolators are contacting (positive seal) and non-contacting (labyrinth). ![]() The purpose of a bearing isolator is to prevent leakage of the bearing lubrication while also protecting the bearing lubrication from external contamination.
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