NORSOK CLASS 1 / NORSOK CLASS 1 Heat Conservation NORSOK R004 (Edition 1 - 2009) 03 NORSOK CLASS 5

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Transcript of NORSOK CLASS 1 / NORSOK CLASS 1 Heat Conservation NORSOK R004 (Edition 1 - 2009) 03 NORSOK CLASS 5

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    NORSOK R004 (Edition 1 - 2009)

    01

    NORSOK CLASS 1

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    NORSOK R004 (Edition 1 - 2009)

    01

    The purpose is to reduce heat losses and to maintain temperatures for the efficient operation of the process.

    NORSOK CLASS 1 / Heat Conservation

    The purpose is to maintain low temperature and control heat input in the process. NORSOK CLASS 2 / Cold medium Conservation

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    NORSOK R004 (Edition 1 - 2009)

    02

    Surfaces with operating temperatures below -10 C0 or above 70 C0 and are confined to a distance of not more than 2,1 m vertically and 0,8 m horizontally away from walkways and normal working areas shall be guarded by screens. Insulation shall only be used where guards are not practical.

    NORSOK CLASS 3 / Personal protection

    NORSOK CLASS 4 / Frost protection Insulation/heat tracing to prevent freezing, solidification and condensation.

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    NORSOK R004 (Edition 1 - 2009)

    03

    NORSOK CLASS 5 / Fire proofing The purpose is to reduce the heat input and limit the temperature to 400 C0 on piping, vessels and equipment in a hydrocarbon fire situation. Fire proofing according to any other fire scenarios shall be specified in each project.

    Reduction of noise in the area 500-2000 Hz by 10 dB. NORSOK CLASS 6 V.1 / Acoustic insulation

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    NORSOK R004 (Edition 1 - 2009)

    04

    Reduction of noise in the area 500-2000 Hz by 20 dB. NORSOK CLASS 7 V.1 / Acoustic insulation

    Reduction of noise in the area 500-2000 Hz by 30 dB. NORSOK CLASS 8 V.1 / Acoustic insulation

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    NORSOK R004 (Edition 1 - 2009)

    05

    The purpose is to prevent condensation on piping and equipment with operation temperatures below ambient temperatures.

    NORSOK CLASS 9 / External condensation and icing protection

    Weather exposed area insulation box / Weather protected area insulation jacket