Flexaseal
Edge Welded Metal Bellows
Flexaseal is a global leader in the design and manufacture of edge welded metal bellows seals that perform under the most demanding operating conditions. Our metal bellows technology is engineered for long-term reliability across a wide temperature range—from deep cryogenic service to high-heat applications approaching 800°F.
With precision-welded components and robust construction, these seals are ideal for vacuum systems, compressors, centrifuges, and other critical equipment in industries such as chemical processing, aerospace, semiconductor manufacturing, and power generation.
Features
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Standard Bellows Seals rated for up to 400°F
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High-Temperature Bellows Seals rated up to 800°F
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Cryogenic Bellows Seals for ultra-low temperature operation
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Hermetic and Vacuum Bellows for leak-free performance in sensitive systems
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Available as standalone components or integrated into custom cartridge seal designs
typical applications
Whether you’re sealing cryogenic liquids, handling corrosive media, or working under vacuum, our engineering team can help develop the right configuration for your application.
Seal Styles & Temperature Ratings
| Series | Description |
|---|---|
| 40 / 42 / 45 | Standard edge welded metal bellows seals for temperatures up to 400°F |
| 60 / 62 / 64 / 65 | High-temperature bellows seals for extreme heat, rated to 800°F |
| Cryogenic | Engineered for extremely low-temperature sealing requirements |
| Hermetic | Welded metal bellows for vacuum and hermetically sealed environments |