The transportation of superior-temperature medium places better requirements on the structure, materials and auxiliary system of the pump. Let us take a look at the cooling prerequisites of various temperature alterations and the corporate's applicable pump kind:
one. For media which has a temperature decreased than one hundred twenty°C, there is normally no Unique cooling system, as well as medium by itself is utilized for lubrication and cooling. Such as DFL (W) H chemical pump, DFL (W) PH shielding chemical pump (security amount of shielded motor must exceed H quality when about 90°C); and DFCZ popular form and IH chemical pump can use temperature to adopt suspension composition The upper Restrict is 140°C ~ a hundred and sixty°C; IHF lining fluorine pump can be utilized up to two hundred°C; only CQB normal magnetic pump use temperature would not exceed one hundred°C. It is worthy of mentioning that the medium that is not hard to crystallize or is made up of particles ought to be Outfitted having a sealing floor flushing line (developed by having an interface).
2. For mediums earlier mentioned 120°C and under three hundred°C, a cooling chamber shall be offered over the pump go over. The sealing chamber shall even be connected to the coolant (with double mechanical seal), once the coolant is not really allowed to penetrate in the medium. It ought to be taken right after cooling its individual medium (may be recognized by simple heat exchanger).
3. For top temperature medium above 300°C, not merely the pump head section must be cooled, and also the suspension bearing chamber need to be equipped by using a cooling procedure. The pump structure is usually in the form of a central guidance. The mechanical seal is if possible a website metal bellows kind, but the value is significant ( The worth is greater than 10 moments that of a traditional device seal).