Low Temperature Flexibility for Gas Applications

Vi 840 FKM Seal Material

07.05.2015 The independent seal manufacturer C. Otto Gehrckens has developed a low temperature flexible ‘Vi 840' FKM compound that meets central demands from the valve sector and gas industry. The compound has been successfully tested according to DVGW DIN EN 682 (type GBL). It offers a low temperature flexibility of better than -40°C, which means that it therefore fulfills the requirements of DIN EN 14141. 

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Vi 840 FKM Seal Material

This seal material can be used at temperatures down to -46 °C (Picture: COG)

With a TR-10 value of -40.1 °C, this compound is suitable for use at temperatures of right down to -46°C, and therefore fulfills the important API 6A and 6D standards. Furthermore, its resistance has been demonstrated and proven according to DIN EN 13787. According to the manufacturer, this hitherto unique combination of properties for an FKM seal material represents an enormous advance in seal technology for the valves sector and the gas industry.

www.cog.de
Hall 9.0 – E14

Facts for Decision Makers:

 

  • low temperature flexibility
  • use at -46 °C
  • fulfills API 6A and 6D standards  

 

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