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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.

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.

HTMS is a private owned company, founded in 1999 by a group of sealing specialist with currently a combined experience of more than 100 years. The plant is located in Mechelen, Belgium.
High Tech Metal Seals, short HTMS designs and manufactures elastic or resilient metal seals.
*  Metal O Rings
*  Spring Energised Metal O Rings
*  Metal-C-Rings
*  Spring Energised Metal C Rings
*  Metal Oysterseal®
*  Metal Commaseal®
HTMS, Resilient Metal Seals are used in a wide variety of applications where normal seals cannot handle extremes of temperature, pressure, medium or combinations there off.
HTMS specialises in metallic seals, serving all markets, including Aerospace, Nuclear, Automotive, Industrial, Medical and others.
HTMS is dedicated to produce resilient metal seals under the most stringent quality procedures. The company is also ISO9000 certified. The quality system has been audited according to ISO9100 by Safran/Snecma
*  Computer controlled welding equipment
*  100% LP test on O Ring seal welds
*  X-ray of weld area on request
*  Helium leak test equipment, with electronic data logging
*  Seating load and spring back measurement equipment
*  Heat treatment

  • More than 100 years of experience
  • In house testing
  • R&D new products
  • Close co-operation with universities
  • Short delivery times
  • Rush production procedure
  • Dedicated staff
  • Quick response time

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