Distribution box over beam and pipe
Concrete and poly boxes fitted with pipe penetration seals are readily available and are the best choice. These must be carefully opened according to the manufacturer's recommendations to avoid leaks. Presentation of the advantages of distribution box for rural gravity fed water supply is quickly presented in Doc n° ST3-S01 "Presentation of PROCEED general standards". Examples are discussed, where wrong distributor designs l nt free cross-section is also provided to the gas countercurrent flow. With high gas loads, gas risers which are too narrow lead not only to a high pressure drop. Tray type distributors are often fitted with riser tubes to allow the unhindered passage of the gas stream up through the tray, to provide a uniform flow of liquid down through it and to minimise hold-up and prevent over-flowing.
Read More
