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Mobiltherm

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  • Mobil THERM 605

    Mobiltherm 605

    Heat transfer oils

    Application Mobiltherm 605

    Application consideration: Mobiltherm heat transfer oils should not be mixed with other oils as this may compromise the excellent thermal and oxidation stability, which may result in a change in other properties and makes analysis difficult to determine the useful life of the oil. If the oil is used above the recommended operating temperature, a gas bubble may form unless the installation is designed to operate at a higher temperature by keeping it under pressure with an inert gas such as nitrogen. Higher temperatures shorten the service life of the oil as thermal degradation increases significantly while temperatures rise above the recommended limit. In a well-designed installation, the temperature of the oil film in the heating element should be kept about 15°C to 30°C above the bulk oil temperature. A higher temperature will shorten the life of the oil and sludge and coke formation may occur, which can impede heat transfer. As with other mineral oils, Mobiltherm heat transfer oils should only be used in systems equipped with a circulating pump. Systems where only convection is used to move the oil will not provide sufficient flow to prevent local overheating, resulting in rapid degradation of the oil. Furthermore, these oils are not recommended for use in open installations where hot oil is in direct contact with air. If they leak or spray through openings, hot Mobiltherm may ignite spontaneously. The Mobiltherm 600 series can be used in open and closed systems if the temperature of the bulk oil corresponds to the following table. Mobiltherm 603: Closed systems (up to 285º C), Open systems (up to 150º C). Mobiltherm 605: Closed systems (up to 315º C), Open systems (up to 180º C). Mobiltherm 610: Open systems (up to 250°C). Mobiltherm 611: Open systems (up to 275°C).

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    Starting at: Excl. Tax: £107.73 Incl. Tax: £130.35

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