The transportation of substantial-temperature medium puts larger necessities to the framework, elements and auxiliary process with the pump. Let's mention the cooling necessities of various temperature adjustments and the business's applicable pump type:
one. For media that has a temperature decrease than 120°C, there is usually no Distinctive cooling process, along with the medium itself is used for lubrication and cooling. For instance DFL (W) H chemical pump, DFL (W) PH shielding chemical pump (safety degree of shielded motor should exceed H quality when more than ninety°C); and DFCZ widespread kind and IH chemical pump can use temperature to undertake suspension construction The higher limit is 140°C ~ one hundred sixty°C; IHF lining fluorine pump can be used nearly 200°C; only CQB ordinary magnetic pump use temperature won't exceed 100°C. It is actually value mentioning that the medium that is a snap to crystallize or includes particles should be Outfitted with a sealing floor flushing line (designed using an interface).
two. For mediums previously mentioned a hundred and twenty°C and beneath three hundred°C, a cooling chamber shall be provided about the pump cover. The sealing chamber shall also be linked to the coolant (with double mechanical seal), when the coolant is just not permitted to penetrate in to the medium. It ought to be taken after cooling its very own medium (is usually realized by basic warmth exchanger).
three. For high temperature medium previously mentioned three hundred°C, not only the pump head portion really should be cooled, but additionally the suspension bearing chamber must be Geared up with a cooling program. The pump framework is normally in the shape of a central help. The mechanical seal is ideally a steel bellows style, but the price is large ( The value is in excess of ten times here that of a normal machine seal).