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AURA™ 180/220
4Pages

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Catalog excerpts

AURA™ 180/220 - 1

Dry-Running, Non-Contacting Gas Seals for Compressors Unidirectional Groove Design Bidirectional Groove Design Product Description Design Features The AURA™ range represents the next generation of John Crane gas seals, that reduces seal operating and transaction costs, extends maintenance intervals and reduces spares inventory. Utilizing John Crane’s patented groove patterns, these seals are non-contacting in operation. • ptimized common rotor design with silicon carbide O mating rings • Simplified and common global design • Increased reliability • Improved performance envelope • alance diameter sealing - patented design includes B component to seal retainer housing and carrier • olymers behind face and seat - for reduced emissions P and wider performance envelope Performance Capabilities • Temperature: -50°C to 200°C/-58°F to 392°F • Static pressure: up to 220 bar/3190 psi • Speed: up to 459 fts/140 m/s • Seal size: 100mm up to 308mm/3.937" up to 12.125"

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AURA™ 180/220 - 2

Seal (Or Process) Gas Labyrinth Inlet for Filtered Seal (or Process) Gas MATING RING PRIMARY RING Outlet for 1st Stage Leakage and Buffer Gas Inlet for Buffer Gas (Optional) PRIMARY RING 2ND STAGE MATING RING Interstage Labyrinth Outlet for 2nd Stage Leakage and Separation Gas Separation Seal contact John Crane for options BEARING CAVITY Advanced Polymer Secondary Seal Dry-Running, Non-Contacting Gas Seals for Compressors AURA Typical Tandem Arrangement

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AURA™ 180/220 - 3

Dry-Running, Non-Contacting Gas Seals for Compressors Illustrative Size and Speed Effect on Leakage Seal Size Pressure, Temperature and Gas Effect on Leakage Conditions: 6.187-inch Diameter Seal, 14,000 rpm Gas Seal Power Consumption Seal Size *This information should not be used for specification purposes. Contact John Crane for more information about exact application requirements.

Open the catalog to page 3
AURA™ 180/220 - 4

Dry-Running, Non-Contacting Gas Seals for Compressors Typical Tandem Seal Arrangement and Seal Support System *Tandem Seal Arrangement for applications requiring a safety back-up seal. For your nearest John Crane facility, please contact one of the locations below. North America Europe Latin America Middle East & Africa Asia Pacific United States of America United Kingdom Brazil United Arab Emirates Singapore 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...

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