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Refrigerant distributor nozzle - Sulzer liquid distributors

Technical information Refrigeration Liquid Distributors

Liquid

Even with the best metering device, evaporator, and, consequently, the system will not work properly if the liquid and gas mixture leaving the metering device is not properly distributed in the evaporator circuits. Systems with very low-power, can use one of the refrigerant path or circuit, through the evaporator. In these cases, the metering device installed as close as possible to the evaporator, and possibly distribution of refrigerant is no problem. The vast majority of systems, however, the use of evaporators with multiple refrigerant circuits, as shown here. This one has five circuits; each of them should receive a sufficient number of (usually equal to the number) of gas and liquid refrigerant mixture as it leaves the metering device. Feeder tubes are usually the same length of copper or aluminum. Their outer diameter varies from 5/32 to 3/8 inch, depending on the capacity of the evaporator and the number of circuits involved.

A distributor is designed for delivery in equal quantities mixture of the refrigerant in each circuit.

The distributor has from 2 to 40 points, depending on the dimensions of the evaporator. There is one distributor in the metering device. However, there may be more than one metering device in the evaporator, especially for systems above 50 tons capacity.

Some distributors like this, thick, flat washer inside. This is called "the nozzle." Its aim is to make pressure, which carefully mixture of liquid refrigerant and gas so that each chain gets an equal mixture of gas and liquid. Other distributors rely on interior design of the distributor evenly mixture of gas and liquid...

 
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