Product Announcement from Trelleborg Sealing Solutions

Wills Rings® Metal Seals-Image

Trelleborg Sealing Solutions designs and manufactures a wide range of seals and bearings which are used in many industries and applications. Wills Rings® are metal seals which can be of two fundamental designs:

Wills Rings® are superior controlled compression type seals and are for static applications only. For best sealing results Wills Rings® should be replaced each time the groove housing is dismantled. Wills Rings® have a degree of elastic recovery after being compressed in a housing, but this is not sufficient to guarantee sealing again once the housing has been dismantled.

Wills Rings® are designed for extreme conditions which exceed the capabilities of elastomer and polymer seals.

Wills Rings® O are the original Metal O-Ring seals. Wills Rings® were developed at the Wills factory in Bridgwater, UK. The term 'Wills Rings' is often used internationally to describe metal O-Ring seals. Wills Rings® O consist of a tube formed into a circular profile. Wills Rings® C are similar, but they have an open 'C' cross section. The open slot of the Wills Rings® C faces toward the system pressure and allows the seal to be pressure-activated.

Typical Applications:

  • Nuclear power plant
  • Furnaces
  • Offshore, Oil & Gas and marine
  • Cryogenics
  • Extreme vacuum systems, Semiconductor
  • Fire safe valves
  • Plastic processing
  • Automotive

The design of Wills Rings® can be modified to suit the specific requirements of a system. These different designsoffer a variety of sealing performances.

Advantages

  • Temperature range from cryogenic to +850°C/+1550°F
  • Pressure range from ultra high vacuum to 1,000 MPa/145,000 psi
  • Compatible with a large range of media
  • Corrosion resistant and radiation tolerant
  • Simple and reliable sealing
  • No out-gassing
  • Wide range of sizes
 
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