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  1. Presure-Entalpy chart explained



  2. New freezing plant on H/G trawler *First Visit* VIDEO

    I was watching one of the welders as he was laying the second string of weld on a weld on the main suction pipe and got very mesmerized by how he was swaying his whole arm when welding.

    In the days before welders had to be certified to weld on ***** systems I used to TIG weld myself, but I always needed to rest my wrist on the pipe to get support and therefore could only weld 5-10 centimeter at a time before I had to stop to change position.

    Trying to weld without support, ...
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  3. New freezing plant on H/G trawler *First Visit* part 3

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    360 degree picture of the area where our welding contractor set up.
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    General arrangement plan (GA-plan from now on) showing the layout of evaporators in the cargo hold, liquid separator can be seen below the first row of evaporators to the left in the picture
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    All the valves for the plant neatly sorted and marked with Pos.no according to the piping diagram (we were lucky the ...
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  4. New freezing plant on H/G trawler *First Visit* Part 2

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    Day 2, welding company surging ahead with the suction pipe from liquid separator to compressors
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    View from aft for factory, plate freezers on the left. In the picture is our project manager (black t-shirt) and the ships technical consultant (blue jacket). they were discussing the distance between the pillar and the return collector on the plate freezers.
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    Same as above
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  5. New freezing plant on H/G trawler *First Visit*

    Thought I'd try out the blog feature

    This week I have been in Poland to start the building of a new NH3 freezing plant on a Norwegian trawler that has just been cut in half and lengthened 14 meters.

    The ship was cut just forward of the engine room, and the new piece was put in to make the cargo hold and factory area bigger.

    As it said in the header, it's a H/G trawler (H/G meaning head and guts), so all they do to the fish once it's on board is remove ...
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