Clearance Seals
From Mechanical Seals - Labyrinth Seals
Through the careful application of materials and technical improvements, John Crane designs and manufactures enhanced thermoplastic and metallic labyrinth seals that facilitate a reduction in running clearances, improved safety, increased efficiency and reliability for critical equipment. Our business is serving customers' needs for the design manufacture and repair of compressor seals for turbomachinery in the power generation, gas collection/transmission, refining, chemical and petrochemical processing industries.
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Product Details
John Crane interstage and balance piston seal solutions can provide a major advantage in the way rotating equipment performs. In most applications, the internal seals are often the overlooked component for increasing overall efficiency. John Crane is one of the most experienced manufacturers of thermoplastics seals, striving to help our customers get the most of their applications by increasing machine efficiency. Centrifugal compressors are commonly equipped with metallic seals from original supply. Through upgrading these seals to a thermoplastic design, it is possible to reduce running clearances and improve machine efficiency while achieving additional benefits of increased reliability, corrosion resistance, ease of installation, reduction in cost of ownership and increased machine uptime.
Features
- Thermoplastic compressor labyrinth seals
- Steam-turbine packing
- Bearing-housing oil seals
- Windback seals
- Pump wear rings
- Compressor oil-film seals
- Hydrogen seal rings
Recommended Applications
- Process Pumps
- Steam Turbines
- Centrifugal Compressors
- Other Compressors
- Other Rotating Equipment
- Generators
Parameters
- Standard Materials :
- Steel/whitemetal
- CuCr/whitemetal
- Bronze
- Aluminum
- Brass
- Speed Limits :
- Thrust: 524fps/160m/s
- Journal: 427fps/130m/s
- Load Limits : 725psi/5MPa
Parameters
- Standard Materials
- Torlon® (Torlon® is a registered trademark of Solvay)
- PEEK
- Fluorosint
- Steel/whitemetal
- Aluminum
- Temperature Limits 400°F/204°C (application dependent)
- Size Limits 60'/1524mm OD
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