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JOHN CRANE MECHANICAL SEALS |
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 John Crane 606 - High Temperature, Rotating Head Metal Bellows Shaft Seal With Lug Drive
Sealol developed the first welded metal bellows seal in 1957 to solve critical and demanding applications for NASA, and extended this technology to the process industry.
Over 40 years of reliable performance in a broad range of applications, combined with an annual output of over 200,000 bellows seals, establishes Sealol as the leader in bellows sealing technology.
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The Type 606 is a rotating seal with the same high-strength design features as the Type 609. In addition, the Type 606 incorporates drive lugs under the bellows that provide added rotational drive.
This reduces torsional stress on the bellows, and makes the Type 606 the ideal seal for maximum reliability and extended life in viscous or thermosetting applications.
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Quick specs
| Temperature |
-75°C to +425°C / -100°F to +800°F with Flexible Graphite static packing |
| Pressure |
Vacuum to 25 bar / 360 psi
Vacuum to 69 bar / 1,000 psi with DOUBLE-PLY bellows
(see Basic Pressure Ratings curve on Product Specification sheet) |
| Speed |
Up to 25 m/s / 5,000 fpm for Types 606 and 609
Up to 50 m/s / 10,000 fpm for Type 604 |
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Features
DOUBLE-PLY for High-Pressure Applications
The John Crane High-Temperature Series seals also come with DOUBLE-PLY bellows for high-pressure applications. For more information, contact John Crane Engineering.
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