{"id":6090,"date":"2026-08-21T13:44:30","date_gmt":"2026-08-21T12:44:30","guid":{"rendered":"https://vikingjohnson.com/fi-fi/technical-design/operating-temperature/"},"modified":"2026-08-21T16:29:51","modified_gmt":"2026-08-21T15:29:51","slug":"operating-temperature","status":"publish","type":"technical_design","link":"https://www.vikingjohnson.com/fi-fi/technical-design/operating-temperature/","title":{"rendered":"Operating Temperature"},"content":{"rendered":"\n

The maximum operating temperature of a Viking Johnson product is determined by taking lowest value of: –

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Different grades of gaskets are available to suit various temperature ranges as well as different chemical resistance requirements.

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Most Viking Johnson Couplings are supplied with Rilsan Nylon 11 coating which has a maximum operating temperature of 90°C.  For higher temperatures, alternative coatings such as galvanised may be necessary.

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Viking Johnson couplings operate at their maximum efficiency under conditions of relatively constant temperature.  If temperature fluctuations occur or the system is operating at elevated temperatures >60ºC, retightening of the bolts may be required.  For this reason, where maintenance free operation is required, Viking Johnson couplings are not recommended as a pipe jointing system for central heating or similar systems that do not operate at a relatively constant temperature.

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The maximum operating temperature of a Viking Johnson product is determined by taking lowest value of: – Different grades of…

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