Resilient metal seals can take the heat
A
HTMS product story
Edited by the Engineeringtalk editorial team
Sep 28, 2009
High Tec Metal Seals (HTMS) designs and manufactures elastic and resilient metal seals for applications with extremes of temperature and pressure.
The metallic seals are suitable for use in the aerospace, automotive, medical and nuclear industries.
HTMS metallic seals are used in the aerospace, automotive, medical and nuclear industries.
The HTMS range includes: metal O rings; spring-energised metal O rings; metal C rings; spring-energised metal C rings; metal Oysterseal and; metal Commaseal.
The seals are designed and produced to provide the necessary tightness when subjected to extremes of temperatures, pressure and media.
They are produced from stainless steel or high-temperature alloy tubing, strip and wire.
Sealing performance of resilient metal seals is based on a the relative high specific contact load at the sealing line and a certain resiliency or spring back of the elastic metal seal.
The seating load and the corresponding sealing line width are a function of the selected seal type, cross section, material, material thickness and the alloy properties itself.
Depending on the required tightness and the media to be sealed, a specific seating load will be required.
Plating or coating with soft, ductile material will provide better sealing by filling up groove imperfections.
The seating load will make the ductile layer to flow and fill up the groove surface irregularities.
Resilient metal seals require a controlled compression.
Typically these seals are installed in a machined groove, or the compression is limited by a so called retainer plate.
General properties of the seals include: diameters of 5mm to 7m; cross-section from 0.8mm to 12.5mm; temperature: cryogenic to +750C; pressure: from ultra-high vacuum to +500MPa; seals are available in circular, race track, oval and other shapes; excellent resistance to corrosion and radiation; elasticity or spring back over extended service life; do not suffer from explosive decompression; and radiation resistance.
Click on the link on the right-hand side of this article to download the HTMS catalogue which includes details of these seals.
Not what you're looking for? Search the site.
Contact HTMS
Tel +32 (0)15220281
Other HTMS stories
-
Seals cope with harsh environments
Unlike flat gaskets, HTMS resilient metal seals have a defined spring back in a wide temperature range. -
Heat treatment, plating and coating of seals
HTMS in-house platings or coatings can be applied to improve the sealing performance of the company's metal seals. -
Selecting the right resilient metal seal
HTMS offers a seal selection guide to help customers pick the right seal for their needs.
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