Open type -30 degree low temperature coolant circulating pump

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-30 ℃ low temperature coolant circulating pump


Key words: experimental instrument


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Scientific instruments are tools for precision measurement, and their precision and reliability must be an order of magnitude higher than the object being measured. Therefore, although there are not as many components as airplanes, the systematic design is also beyond imagination. The chromatographic column, as a consumable, is a separation center, just like the heart. High pressure, tightness and flow rate stability are required. And the oven needs to be kept at a constant temperature. To prevent leakage, maintain constant temperature, pressurized flow, every link, can not be slack. For materials, seals, and fluid mechanics, a high foundation is required.

The method for checking whether the instrument leaks: pinch off the external vacuum skin tube, and observe whether the vacuum gauge on the instrument can keep the instrument leak-free for five minutes. If there is air leakage, check whether the sealing ring on each sealing joint and rotating shaft is effective. On the contrary, the instrument is normal to check the vacuum pump and vacuum pipeline.

Open type -30 degree low temperature coolant circulating pump

The cryogenic coolant circulation refrigerator is an experimental study to realize the low temperature environment through the cooling circulation of water and other media. The low-temperature coolant circulation pump is made of water and air contact, contact heat dissipation, evaporation heat dissipation and radiation heat dissipation.

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Open type -30 degree low temperature coolant circulating pump

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