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Torlon is a registered trademark of Solvay Specialty Polymers USA, LLC Fluorosint is a registered Trademark of Quadrant EPP


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Torlon is a registered trademark of Solvay Specialty Polymers USA, LLC Fluorosint is a registered Trademark of Quadrant EPP

John Crane Engineered Bearings Robert Bosch Breite 10 37079 Gottingen, Germany Tel: 49-551-27072-100 Fax: 49-551-27072-450 bearings@johncrane.de John Crane Engineered Bearings 1800 West 13th Street Deer Park, TX 77536, USA Tel: 1-713-943-9100 Fax: 1-713-943-1610

bearing.services@johncrane.com John Crane

Engineered Bearings 1111 Cedar Creek Road Grafton, WI 53024, USA Tel: 1-262-377-2210 Fax: 1-262-377-0729 bearings@johncrane.com

If the products featured will be used in a potentially dangerous and/or hazardous process, your John Crane representative should be consulted prior to their selection and use. In the interest of continuous development, John Crane Companies reserve the right to alter designs and specifications without prior notice. ISO 9001, ISO 14001 Certified. Details available on request.

©2014 John Crane Printed: 05/14 [F] Revised: 6/14 www.johncrane.com B-BearingSeals

For your nearest John Crane facility, please contact one of the locations below.

Europe Slough, UK

Tel: 44-1753-224000 Fax: 44-1753-224224 North America

Morton Grove, IL USA


Tel: 1-847-967-2400 Fax: 1-847-967-3915

Latin America São Paulo, Brazil Tel: 55-11-3371-2500 Fax: 55-11-3371-2599

Middle East & Africa Dubai, United Arab Emirates Tel: 971-481-27800 Fax: 971-488-62830 Asia Pacific Singapore Tel: 65-6518-1800 Fax: 65-6518-1803


Turbo Components & Engineering, Inc., acquired by John Crane in 2011, is now an integral part

of the global bearings product and service portfolio of John Crane. The Houston-based facility

provides a center of excellence in labyrinth seal design, troubleshooting and analysis, retrofits and

reliability improvement solutions, which complements our existing global network of manufacturing

facilities. John Crane is part of Smiths Group, a global technology business. John Crane designs and

manufactures turbomachinery components and associated products primarily for the oil and gas,

power, chemical, pharmaceutical, pulp and paper and mining sectors.

Since being established more than 95 years ago, John Crane has become the acknowledged global leader in its field. Today, it provides the most complete selection of engineered mechanical seals ,sealing support systems, engineered bearings, filters and power transmission couplings for use in pumps, compressors, gearboxes, turbines and other rotating equipment, all of which are supported by the global John Crane sales and service network.

John Crane Engineered Bearings — Seal Solutions

Advanced Labyrinth Seal Solutions Realized

Through Collaboration, Innovation and Expertise

Products for Productivity

John Crane’s, global service and support network will keep you up and running with high-quality new and reconditioned components. Providing unrivaled customer support and quick turnaround when our customers need us most, our dedicated facilities provide 24/7 support and service solutions for:

• Hydrogen Seals

• Thermoplastic and metallic compressor labyrinth seals

• Steam-turbine packing

• Bearing-housing oil seals

• Pump wear rings

• Compressor oil-film seals

• Sleeve and tilting pad journal bearings



Quality is a Major Component of Every John Crane Product

Since you have many daily problems to solve, you should not have to worry about the quality of your turbomachinery parts. We recognize that reliability and machine uptime are key objectives for our customers, and our philosophy is to ensure that every product leaving our facility is designed or manufactured to support these needs.

With this in mind, we have developed a rigorous quality-control process that ensures strict adherence to engineering guide-lines, from the quotation stage to shipment. Our quality-control team has final say over the fitness of materials, components and assembled products at every stage of manufacture. At our facilities, nothing ships until our quality-control team says it can. service and engineering skill have given customers in the petrochemical, refining and power generation industries the

engineering edge for their rotating equipment.

Why are John Crane products and services so important to you now? Take a look at your major business concerns — competition, customer demands, operating costs, fewer people doing more work, and increased environmental and safety regulations. In some way, the efficiency and reliability of your turbomachinery affects all of these issues. More than ever, you need maximum performance from your maintenance expenditures.


John Crane Engineered Bearings — Seal Solutions

Our Engineering is Your Edge

Our engineering staff represents the leading edge of a host of capabilities that includes a fully tooled manufacturing facility, a committed quality-control organization, and an around-the-clock commitment to providing positive solutions to your turbomachinery problems.

• Thermoplastic and metallic compressor labyrinth seals

• Steam-turbine packing

• Bearing-housing oil seals

• Pump wear rings

• Compressor oil-film seals



One of the problems for rotating equipment and their operators is oil leaks. John Crane has engineered many different solutions to the specific problems encountered in the field. As the solution to each issue is generally application-specific, we will work closely with you to eliminate such problems to improve on-site safety and reduce maintenance and operating costs.

Improving Oil-Guard Design

dual need. If the shaft contacts rotating or stationary labyrinths made from these thermoplastics, they are more forgiving than aluminum. That is why there is a growing interest in them and our design solutions in particular. Over the years, we have purchased tens of thousands of pounds of these compression-molded materials, making us one of the largest and most experienced manufacturers of thermoplastic seals. Today, there are hundreds of compressors that are running efficiently and reliably with replacement Torlon, PEEK and Fluorosint seals made by us. Whether you want direct-replacement or custom-designed seals, we are confident that we can provide you with a robust, reliable and efficient design solution.

Rotor Contact Scenario:

Thermoplastic vs. Metallic Seal Solutions



Note: John Crane’s many innovative design changes, such as the addition of a purge and a wind back labyrinth. In addition, no machine modifications were necessary to accomodate the upgraded seal.


Innovation is a Big Part of Our Engineering Edge

John Crane Engineered Bearings — Seal Solutions

It would be very easy to help our customers maintain their plants by simply performing only direct replacements of bearings and seals. But that’s not our philosophy. Customers return to John Crane for help with their turbomachinery because we look at things differently, finding new, more cost-efficient ways to tackle old problems. Here is just one example:

Torlon Seals Upgrade the Efficiency of Nine Compressors in One Plant

An ethylene producer in East Texas wanted to increase the efficiency of its centrifugal compressors without sacrificing reliability. We explained that a good way to achieve that added performance was to replace the OEM aluminum interstage and balance-piston seals with thermoplastic labyrinths. Relying on our reputation for manufacturing and installing these hardworking replacements, they decided to upgrade one compressor and measure the results for themselves. The upgraded unit performed so well, we were asked to do the same for eight more compressors in the plant.

The project went smoothly, efficiency improved, and today, that customer is extremely pleased with the performance gains from our seal solution.



Tel: 713-943-9100

Fax: 713-943-1610


John Crane

Engineered Bearings

8730 Meldrum Lane

Houston, TX 77075

Give your turbomachinery the engineering edge.

Call John Crane today.


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