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IP rated luminaires for jet wash with high temp. water?

pww235
Evening all.


Bit of a head scratcher:


IP65 / IP66 testing must use water that it within 5K of the specimen under test.

IP69 testing uses water at 80ºC (+/- 5ºC).


I have a process area that will be subject to jet washing with hot water fed from the domestic system and so will be somewhere in the region of 40ºC - 60ºC.


The luminaires within the space shall be IP66 for the water flow rates but should they also be IP69 rated to account for the hot water?


Appreciate any thoughts.


P
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  • 0
    IP 69 is, as far as I understand, protected against steam cleaning. You are just using the hot water supply so I would not expect IP 69 to be a requirement.

    Alasdair
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  • 0
    IP 69 is, as far as I understand, protected against steam cleaning. You are just using the hot water supply so I would not expect IP 69 to be a requirement.

    Alasdair
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