New low-temperature FKM seal material

Independent seal manufacturer C. Otto Gehrckens has developed the low temperature flexible Vi 840 FKM compound. This has been successfully tested according to DVGW DIN EN 682 (type GBL). This material has a low temperature flexibility of more than -40°C, which means it fulfils the requirements of DIN EN 14141.

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

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