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I have installed chilled water pipe in high raised building . There are many pipe drops and ups in building apartment , it is U type shape what is calked bottel trape . My consultant is asking airvent in top of every trap and drain cock at bottom of every trap is Required OR not Kindly advice.
Building working pressure =5.5 bar
Most horizontal pipe size mm
Whats app : dubai
Automatic air vent of the highest and lowest point of piping system. there is no water drain air is drain. Test drain for CHW analysis for chemical treatment in CHW pumps that is circulating and not stagnant. Did you account all pipe losses, this is about 7 to 8 floor system.
Maximum working pressure in any apartment building is3,0 bar (Ashrae).
