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In vertical vessels or towers, what parameters are NEL and EL?

2012-03-01View Original

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As the title says! Urgent! Thank you all in advance!
Reply #22012-03-02
Are it parameters such as elevation or liquid level height?
Reply #32012-03-02
EL is the elevation of the horizontal ground, while NEL is not very clear
Reply #42012-03-02
Thank you to everyone who replied above; it’s probably related to elevation levels. I just don’t know if NEL refers to relative elevation
Reply #52012-03-02
The elevations indicated in the general drawings are relative elevations. The relative elevation EL +0.00 corresponds to the absolute elevation – that is, the local sea level! EL +XXXX means: general elevation. EL +XXXX BOP means: bottom of pipe elevation. PT EL +XXXX means: point elevation. EL +XXXX TOP means: top elevation. NEL +XXXX means: nozzle elevation. Found this in this forum.:lol Thank you
Reply #62015-02-03
When we design the pipe supports for air coolers, we also use “NEL+...” as the nozzle height.
Reply #72015-02-03
Know EL, don’t know NEL. Have learned it*, thanks
Reply #82018-12-11
Does the detector EL+1.0m refer to a height of 1m from the device, or 1m from the ground?

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