The transportation of large-temperature medium puts larger necessities to the framework, elements and auxiliary procedure with the pump. Let us mention the cooling demands of different temperature modifications and the organization's relevant pump style:
one. For media using a temperature reduce than 120°C, there will likely be no Exclusive cooling technique, as well as the medium itself is employed for lubrication and cooling. Including DFL (W) H chemical pump, DFL (W) PH shielding chemical pump (protection volume of shielded motor need to exceed H grade when around ninety°C); and DFCZ typical style and IH chemical pump can use temperature to adopt suspension structure The higher limit is one hundred forty°C ~ 160°C; IHF lining fluorine pump can be employed approximately two hundred°C; only CQB common magnetic pump use temperature doesn't exceed one hundred°C. It is worthy of mentioning that the medium that is easy to crystallize or has particles ought to be Geared up having a sealing area flushing line (created having an interface).
2. For mediums earlier mentioned 120°C and underneath 300°C, a cooling chamber shall be presented on the pump go over. The sealing chamber shall even be connected to the coolant (with double mechanical seal), if the coolant is not really allowed to penetrate in the medium. It ought to be taken right after cooling its have medium (may be recognized by very simple heat exchanger).
3. For prime temperature medium higher than 300°C, not merely the pump head section must be cooled, and also the suspension bearing chamber should be equipped by using a cooling here procedure. The pump structure is usually in the form of a central guidance. The mechanical seal is if possible a metal bellows kind, but the value is significant ( The worth is more than 10 instances that of a standard device seal).