Non-contact split polymer labyrinth seal (SPLS) for splash lubricated bearing protection

Learn how to reduce installation and equipment downtime while extending the mean time between equipment repairs (MTBR).

Chesterton, a leader in rotary sealing solutions for splash lubricated bearing protection, introduces a new non-contact Split Polymer Labyrinth Seal (SPLS) for large pumps, gearboxes, and other large rotating equipment

The SPLS uses Chesterton’s exclusive and industry-leading thermoset polyurethane to create a non-contacting 3-piece seal design with a rotor with a built-in split valve, a stator, and a metal clamp.

The SPLS can be installed easily and reduces downtime associated with complex equipment disassembly. The seal has practically no wearing components, and the chances of fretting and wear of shafts typically seen in conventional lip seals are significantly minimised. The SPLS design serves the critical function of minimising the ingress of external contaminants into gearboxes protecting critical rotary equipment.

This innovative product extends the life of equipment, improving mean time before failures (MTBF) and reducing maintenance costs. The SPLS is ideal for large gearboxes and horizontal split case pumps.


About A.W. Chesterton Company

Operating in over 100 countries worldwide, Chesterton is recognised as a leading provider of knowledge backed solutions and expert service for Rotary, Stationary, and Fluid Power equipment supported by a comprehensive line of industrial fluid sealing solutions, high-performance protective coatings, and specialty industrial lubrication/MRO products.

About Chesterton Customseal

Chesterton Customseal produces high-performance elastomeric polymer seals in a wide range of hydraulic, pneumatic and rotary equipment. Chesterton Customseal’s solutions range from a vast collection of standardised polymeric seals to customised solutions designed for specific applications to provide you with an optimal final product.

The real strength of Chesterton Customseal stems from the depth of industry knowledge, quality of the skills and experienced technical-leading team. This experience triggers our ability to implement economic and innovative solutions, always in support of a professional and transparent service.

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