The transportation of superior-temperature medium puts bigger needs over the construction, elements and auxiliary method on the pump. Let us talk about the cooling demands of various temperature variations and the organization's applicable pump variety:
one. For media which has a temperature lessen than one hundred twenty°C, there is normally no Unique cooling system, and the medium by itself is utilized for lubrication and cooling. Such as DFL (W) H chemical pump, DFL (W) PH shielding chemical pump (safety volume of shielded motor should exceed H grade when more than 90°C); and DFCZ common style and IH chemical pump can use temperature to adopt suspension composition The higher limit is 140°C ~ one hundred sixty°C; IHF lining fluorine pump can be utilized up to 200°C; only CQB ordinary magnetic pump use temperature would not exceed one hundred°C. It is value mentioning that the medium that is not hard to crystallize or is made up of particles should be Outfitted with 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 linked to the coolant (with double mechanical seal), once the coolant is not really allowed to penetrate to the medium. It ought to be taken following cooling its individual medium (may be recognized by very simple heat exchanger).
3. For high temperature medium earlier mentioned three hundred°C, not just the pump head portion really should more info be cooled, but additionally the suspension bearing chamber really should be Geared up having a cooling technique. The pump composition is generally in the form of a central assist. The mechanical seal is if possible a metallic bellows type, but the value is substantial ( The cost is much more than 10 occasions that of a standard device seal).