Recently, the Lange vacuum dryer researched and designed by Baoding Lange Automation Technology Co., Ltd. obtained the national patent certificate (patent number: ZL 2007 2 0176073.1). This product has a long vacuum maintenance time (30 days after vacuuming, the vacuum degree is reduced by less than 5%), external special vacuum gauge, can observe the change of vacuum at any time, good safety performance (never burst), no materials used It is harmless. Sealing does not require grease, sealed with high-quality silicone rubber ring, the valve uses precision needle valve, the air intake can be fine-tuned, the pipe connection is plugged in, the connection is convenient and reliable, suitable for ambient temperature: -45 °C ~ 120 °C. It can be used in various laboratories, especially high-end laboratories, medical and health industries, precision instrument industry, fine chemical industry, anti-oxidation, anti-moisture devices and materials. It can be used for high-purity graphite powder in super-hard materials and products. Preservation of hexagonal boron nitride powder, catalyst powder alloy powder, prealloyed powder, nano powder, and the like. PN10 Dismantling Joint, China PN16 Dismantling Joint PN25 Dismantling Joint;PN40 Dismantling Joint.
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