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Market BrochuresUHP and UHV BrochureAdvanced metal sealing solutions for critical UHP/UHV & cryogenic applications.
Increase the overall sealing performance of your installations with TEXEAL®, the new patented texturing process, applied to HELICOFLEX®, which is already the resilient metal seal standard for high-performance sealing. HELICOFLEX® TEXEAL® can help reduce operating costs during maintenance. It is a material innovation developed from decades of established sealing expertise.
Features & Benefits
• Optimize overall cost of assembly during design phase
• Reduce overall operating cost
• MTBF (mean time before failure) increase
• LCC (life cycle cost) decrease
• Optimize sealing performance without increasing of the
tightening force (up to 10<sup>-12</sup> Pa.m<sup>3</sup>.s<sup>-1</sup>)
• Lower stress on the assembly with the same tightness level
• Maintain sealing performance during thermal cycles
• Adaptable to a wide range of assembly dimensions
• Adaptable to groove sealing surfaces
• Large selection of materials
• Corrosion resistant
Product Applications
• Nuclear Power Generation: reactor pressure vessels closure head, control rod drive mechanisms (CRDM), reactor coolant pumps (RCP), pressurizers, steam generators, spent fuel casks
• New energies: molten salt & solar plants, SMR
• Semiconductors: chamber, exhaust and other applications in PVD/CVD/etch and lithography processes
• Valves: body/bonnet sealing, seat sealing
Specifications
Helicoflex® Texeal® Texturised Seal
- Temperature
- from -193° up to 650°C
from -320°F to 1202°F)
- Pressure
- from 230 to 560 bar (3625 to 8122 psi)
at 350°C (622°F)
depending on torus diameter
- Leak rate
- up 10-12 Pa.m3.s-1
Helicoflex® Metal Resilient Seal
Dimension & Material Range
| Assembly dimensions | Sealing Lining | Spring |
|---|---|---|
| Ø 20 to 600 mm Ø2 to 12mm cross section | Nickel, other materials on demand | Nimonic 90 Alloy 718 Alloy 750-SS |
