HELMET AND PIPE CONDENSER

The CCyT is a closed helmet and pipes condenser. The regular models come in 22 sizes. The helmet and plate of tubes are built with quality steel for under pressure recipients and the steel Schedule 40 pipes are welded to the tube carrier plate. Tubes are equipped with steel lids that can be taken apart, these lids are subdivided to provide the water passages with the amount of liquid required. Both water connections are on the same lid and can be located in either end if neces-sary.
The helmet of the condenser is equipped with connections to let gas in, liquid out and pressure levelling.
The compressed gas goes into the shell through the upper part and is distributed interiorly, condensing on the pipes. The liquid is collected on the bottom and drained later.
The cooling water goes into it through the lower part in one of the ends from where it is distributed along the pipes and the warmed up water comes out the same end of the upper part. The cooling water is regularly pumped by a centrifugal pump.
The required water flow is determined by the load, the temperature of cooling water available and desired condensing temperature.
Changes in the capacity of the condenser can be carried out by alteration of water flow or con-densing temperature. When more then one condenser is installed, regulation of capacity is ob-teined through stopping the right number of units if conexions of equipments parallel placed are correct.

The capacity of the condenser depends on the flow, temperature, load and conditions of water.

The fall of pressure only cobres the resístanse in the condenser fom input to output, and when se-lecting a water pump it is necessary to consider additional resístanse of pipes, valves, etc.
Under any conditions, the capacity of the condenser will remain invariable when the temperature of water changes, as long as the water flow remains constant as shown in the table. The difference between the condensing temperature and the temperature of incoming water ( DTE ) and the dif-ference between condensing temperature and the temperature of outgoing water (DTS ) will re-main invariable as long as the condensing temperature ( TC ) will follow the change in the tem-perature of the incoming water.
The capacity tables are based on a factor of dirtying ( R ) of 0,344 ºC m2 / Kw, normally applied to water in cities. When existing other conditions of water, the total load of condenser will be multi-plied by the correction factors shown below:

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